GPS Receiver Manufacturers, System Integrators, Equipment Suppliers, and Service Providers

This listing is provided by the Canadian Space Geodesy Forum and the University of New Brunswick.

• AACE Industries
  Manufacturers of precision GPS and GLONASS receivers, temperature-stabalized antennas, and other equipment.
• Aalto Technologies
  Providers of GPS-based fleet management services.
• ACCQPOINT
  Providers of real-time differential GPS service via FM subcarrier.
• Accupoint Inc.
  Rental, sales, service, technical support, and training for surveying, mapping, marine, and recreational GPS applications and other surveying and construction needs.
• Acnodes Corporation
  Manufacturers and suppliers of rack-mountable workstation components for industrial control, automation, and military applications.
• ActiveGPS.co.uk
  Online retailer of GPS receivers and in-car navigation systems.
• ADOS GPS
  Developers of GPS-based vehicle tracking and communication systems.
• Advanced Research Corporation
  Developers of the StarWatch Asset Location System.
• Advanced Tracking Technologies, Inc.
  Developers of GPS-based fleet monitoring products.
• Adventure GPS Products
  Suppliers of handheld GPS receibvers for the outdoor enthusiast.
• AerComTec International
  Manufacutrers of a real-time GPS-based AVL system that communicates over cellular telephone networks.
• AeroAntenna Technology, Inc.
  Manufacturers of GPS antennas.
• AeroComm, Inc.
  Developers of a GPS-based AVL radio system and a GPS to fibre-optic translator system.
• The Aerospace Corporation
  Non-profit corporation providing research, systems engineering, and risk management support to the U.S. government. Major player in the development of GPS.
• Aero Telemetry
  Developers of integrated GPS telemetry and AVL products.
• AffordableGPS.com
  Suppliers of GPS receivers for handheld, vehicle, marine, and aviation uses.
• Ag-Nav, Inc.
  Suppliers of aerial application control equipment and navigational products.
• AirIQ
  Developers of GPS-based vehicle tracking and control/monitoring systems for consumer and fleet applications.
• Ajax Systems Corp.
  Manufacturers and suppliers of rack-mountable and ruggedized computers for industrial control, automation, and military applications.
• Aldacom GbmH
  Developer and distributor of wireless components, including GSM modems/modules and GPS tracking systems. Rapid prototyping. Consulting.
• Alert Geomatics
  Alert Geomatics, a division of Xeos Technologies Inc., focuses on precise position monitoring equipment for subsidence monitoring, structural monitoring as well as for science applications.
• Allen Osborne Associates, Inc.
  Manufacturers of GPS receivers.
• Allied Signal Aerospace
  Manufacturers of GPS receivers for aviation use.
• ALLSAT Gmbh
  GPS systems integrator for surveying and navigation and RTK software developer.
• Alpha Display Solutions, Inc.
  Authorized dealer for Magellan GPS products.
• Alpha Micro Components Ltd.
  Developers and distributors of electronic components, including GPS/GSM/GPRS equipment, for the telecommunications and other industries.
• AMC Inc. (AzTechSoft)
  Developers of software for importing GPS receiver coordinates into AutoCad.
• AmeriCAD Systems, Inc.
  Developers of vehicular navigation and location devices.
• American Technologies, Inc.
  Developers of GPS-based vehicle tracking software and systems.
• Amtel Security Systems, Inc.
  Developers and suppliers of GPS-based tracking and fleet management systems.
• Analog Devices, Inc.
  Manufacturers of GPS chip sets.
• Andrew Corporation
  Manufacturers of fiber optic gyroscopes for land navigation systems.
• Applanix Corporation
  Developers and manufacturers of systems for positioning and orientation of vehicles in dynamic environments.
• Arbiter Systems, Inc.
  Manufacturers of GPS-controlled clocks and frequency standards.
• ARINC
  Provider of communications services, systems development and integration, systems engineering, and management services to the world's aviation community.
• ARKtime
  Providers of GPS-based clocks and time servers.
• asb Systemhaus GmbH
  Developers of GPS-based computer network time-synchronization software products.
• ASC Scientific
• Ashtech Inc.
  Manufacturers of GPS receivers.
• ATON Systèmes
  Manufacturers of tracking and navigation systems for automobiles, trucks, trains, and aircraft.
• @Road, Inc.
  Developer and provider of GPS and Internet-based mobile intelligence services.
• @Track Commincations, Inc.
  Suppliers of GPS-based tracking services.
• ATX Technologies, Inc.
  Manufacturers of the OnGuard Tracker integrated cellular/GPS vehicle monitoring and tracking systems.
• Auto Nav 2000 Plus, Inc.
  Vendor of in-car GPS navigation systems.
• Avcan Global Systems Inc.
  Developers of GPS applications software.
• Avionics West, Inc.
  Vendor of GPS receivers and other avionics items.
• AVL Information Systems, Inc.
  Developer and providers of GPS-based vehicle tracking systems and services.
• AVL Track
  Providers of GPS-based vehicle tracking and fleet management systems and services.
• AvMap Satellite Navigation
  Developers of GPS-based charting systems for land and aeronautical navigation.
• Axiom Navigation Inc.
  Manufacturers of OEM GPS receivers, fleet management systems, and providers of custom product development services.
• Axonn, L.L.C.
  Developers of GPS-based asset (cargo container, railcar or trailer) tracking system.
• BAE Systems Canada Inc. (now CMC Electronics Inc.)
  Manufacturers of GPS receivers and systems for the aviation and surface transportation markets.
• BAE Systems Rokar International, Ltd.
  Manufacturers of GPS receivers for military and demanding commercial applications.
• Badgett Industries Inc.
  Developers of GPS-based automated vehicle locator systems.
• Baker GeoResearch, Inc.
  Developer of GPS/GIS and GPS/AVL systems and provider of GPS/GIS mapping and consulting services.
• The BC GPS Store
  British Columbia-based retail store and online supplier of Garmin GPS receivers and related equipment.
• Beacon Marine Security Ltd.
  Developer and manufacturer of telematics solutions for tracking mobile assets.
• Beacon Wireless Europe
  Developer and manufacturer of telematics solutions for tracking mobile assets.
• Benefon, Oyj
  Manufacturers of GPS-equipped cellular telephones.
• Bernese GNSS Solutions
  Providers of high accuracy GNSS data processing services.
• Best-Fit Computing
• BethelTronix, Inc.
  Designers and manufacturers of GPS receiver chips.
• BigBrotherMe
  Providers of tracking services for cell phones and GPS devices.
• Birds Eye Global Tracking, LLC
  Providers of GPS tracking devices and services to law enforcement and correction agencies, private investigators, and fleet-management companies as well as special needs.
• BITRONICS, Inc. AVL Management Systems
• Bliley Technologies, Inc.
  Manufacturers of precision quartz crystal oscillators and frequency control products.
• Blue Planet Geomatics
  Distributors of high-end, leading-edge GPS/GNSS equipment to public and private organizations in Canada, the UnitedStates and across global markets.
• Bluewater Security Professionals, LLC
  Suppliers of GPS receivers for vehicle, asset, and equipment tracking and security consulting services.
• The Boeing Company
  Designers and developers of GPS satellites.
• Borea SAS
  Manufacturers of integrated low-power GPS/GSM devices.
• Borea SAS
  Manufacturers of integrated low-power GPS/GSM devices.
• Borealis Precision Ltd.
  Distributor of high-precision GNSS and GNSS/inertial position and orientation systems.
• Brandt Positioning Technology
  Exclusive dealer for Topcon Positioning Systems in Western and Atlantic Canada providing end-to-end solutions to the survey, engineering, mapping, construction and mining sectors.
• The Brunton Company
  Marketers of Silva GPS products in North America under the Brunton Nexus trademark.
• Byonics
  Manufactures and sells a Rockwell Binary to NMEA 0183 converter which allows Delorme Earthmate and Sony SkyMap receivers to be used with any map package requiring NMEA data. Setences provided: $GPRMC, $GPGGA and $GPGSA.
• C & C Technologies, Inc.
  Providers of worldwide satellite-delivered DGPS service.
• California Eastern Laboratories
  Suppliers of low-noise amplifiers and other semiconductors.
• Caliper Corp.
  Developers of GIS software for desktop mapping and spatial analysis.
• Canadian Marconi Company (now CMC Electronics Inc.)
  Manufacturers of GPS receivers and systems for the aviation and surface transportation markets.
• Canal Geomatics Inc.
  Distributor of GPS positioning and wireless products.
• CANSEL - Canadian Survey Equipment
  Supplier of GPS, surveying and mapping, and associated equipment.
• Car Audio & Security Ltd.
  Supplier of car satellite navigation products.
• Casanova's Outdoor Adventure Store
  Suppliers of recreational GPS receivers.
• CAST Navigation, LLC
  Developers of GPS satellite simulation products.
• Cemtek Com, Inc.
  Providers of GPS tracking technology using satellite and cellular communications modes.
• Certatim Digital Agency
  Providers of Crow Tracker, GPS fleet tracking through software and mobile applications.
• CharterNav...GPS Location and Timing Ltd.
  Irish suppliers of GPS hardware, software consultation, and technical support.
• Chassis Plans
  Manufacturers of rugged rackmount computer systems for industrial and military environments.
• Childtrac Canada Inc.
  Providers of the Childtrac Personal GPS System for personal tracking.
• Citimarine Store
  Suppliers of GPS receivers and auxiliary equipment.
• Clayton Communications, Inc.
  Developers of GPS-based tracking devices, one-button emergency GPS cellular telephones, and providers of tracking, emergency, and non-emergency assistance services.
• ClearPathGPS, Inc.
  Providers of live GPS vehicle tracking systems for businesses.
• CloserWorlds
  Mobile solution provider integrating GPS, the Internet and GIS. Solutions for vehicle tracking, telematics, SCADA, and remote data acquisition.
• C-Map USA
  Designers and manufacturers of electronic charts.
• CMC Electronics Inc.
  Manufacturers of GPS receivers and systems for the aviation and surface transportation markets.
• Cobra Electronics Corp.
  Manufacturers of handheld GPS receivers.
• CommLinx Solutions Pty. Ltd.
  Australian GPS and embedded systems integrator and supplier of Laipac range of OEM GPS products and accessories.
• CompassCom, Inc.
  Colorado-based provider of products, services, training, and support for GPS solutions in GIS and AVL applications.
• Computer Explorations, Inc.
  Developers of computer simulations with real-world data added via GPS.
• CompuTracker Corporation
  Developers of GPS-based vehicle data logging and real-time tracking systems.
• Conexant Systems, Inc. (formerly Rockwell Semiconductor Systems)
  Manufacturers of GPS chip sets and receivers.
• Conestoga-Rovers & Associates
  Dealer for Leica Geosystems AG.
• Connectec Electronics Co. Ltd.
  Manufacturers of OEM GPS modules, GPS receivers, and GPS/GPRS/GSM trackers.
• Constell, Inc.
  Developers of simulation software tools for GPS, GLONASS, and other satellite constellations.
• Core Systems
  Designs and develops rugged computers and LCD displays used in the capture of GPS/GIS data.
• Corvallis MicroTechnology, Inc. (CMT)
  Manufacturers of rugged GPS/GIS data collectors.
• Criticom International
  Providers of GPS-based tracking services, providing emergency and priority dispatch management of response services to mobile persons, vehicles, or other assets.
• CSE Computronics Ltd.
  Manufacturer, vendor, and deployer of DGPS survey and remote telemetry equipment.
• CSL CommTech Ltd.
  Suppliers of GPS equipment and peripherals.
• Ctrack
  U.K. provider of vehicle tracking and resource management services.
• Dan Bobyn Engineering Ltd.
  Provides RF engineering services including GPS applications.
• Datachron, Inc.
  Manufacturers of GPS-based time and frequency products.
• Datalink International, Inc.
  Developers of GPS-based tracking and fleet monitoring systems for use with cellular digital packet data (CDPD) and other wireless networks.
• Datum Inc.
• DCS Corp.
  Developers of GPS-based systems for automated vehicle location, fleet management, information retrieval, and operations centers for military and civilian applications.
• George E. Delahay & Son
  Distributors of GPS receivers for sport aviators.
• Del Norte Technology Inc.
• DeLorme Mapping
  Developers of GPS-interfaced CD-ROM-based mapping products.
• Delta Microwave
  Suppliers of low-noise amplifiers and other semiconductors.
• Destinator Technologies Inc.
  Developers of navigation software systems for PDAs, mobile phones, and other devices.
• Differential Corrections Inc. (DCI)
• DigiCore Ltd.
  Developers and providers of end-to-end vehicle tracking and fleet management solutions.
• Digital Instruments S.r.l.
  Developers and manufacturers of GPS-based time and frequency synchronization equipment.
• DiscoverGPS.ca
  Edmonton GPS shop and online retailer of Garmin GPS receivers and accessories.
• Dorne & Margolin, Inc. (see EDO Corp.)
  Manufacturers of antennas for GPS receivers.
• DSNP
  Manufacturers of GPS/GNSS equipment for land and marine surveying and navigation.
• Dynamic Sounds Ltd.
  Distributors of car navigation systems.
• DynaNav Systems Inc.
  Developers of GPS/GLONASS in-aircraft guidance and mapping systems for the agricultural, forestry, and seismic industries.
• Eagle Electronics
  Manufacturers of GPS receivers.
• Eastman Kodak Company, Scientific Imaging Sysetms
  Developer and supplier of GPS-enabled digital cameras.
• EBWISE Technology Corporation
  Manufacturers of Bluetooth-enabled and wired-connection GPS receivers.
• EDO Corporation
  Manufacturers of antennas for GPS receivers.
• ELIRIS (Earth, Land and Integrated Resources Information Systems) Inc.
• Elm Technologies Ltd.
  Canadian distributor of Trimble Navigation GPS solutions for fleet management products and services.
• Emerson & Cuming Microwave Products
  Manufacturer of absorbing, shielding and specialty dielectric materials for the wireless communication, consumer electronics, biomedical, automotive, and military markets.
• Emlid Ltd.
  Manufacturer of affordable RTK GNSS receivers.
• EMTAC Technology Corp.
  Manufacturer of SiRF-chip-based GPS receiver boards and modules.
• EndRun Technologies
  Manufacturers of GPS-based precision time and frequency products.
• Enigma Vehicle Systems
  Supplier of vehicle tracking and fleet management systems using GPS technology and GSM/GPRS wireless communications.
• Enuvis
  Developers of assisted-GPS technology.
• Environmental Studies
  Distrubutors of GPS tracking equipment for wildlife.
• EnviroTrac Technologies
  Developer and manufacturer of GPS-based vehicle tracking products and systems.
• Eos Positioning Systems Inc.
  Designers and manufacturers of Bluetooth sub-metre GPS / GNSS and RTK receivers for iOS, Android, and Windows.
• ESE
  Manufacturers of GPS-based master clocks for the broadcast, 9-1-1, and military marketplaces.
• Etak, Inc. (see Tele Atlas)
• ETE, Inc.
• E-tronic
  Austrian developers of GPS-based vehicle tracking systems.
• Everest Geodetics
  Canadian suppliers of GPS surveying and consulting services.
• EverMore Technology Inc.
  Manufacturer of GPS chip sets and receiver modules.
• Evertrac, Inc.
  Supplier of location-aware e-business solutions.
• Expert Market
  Providers of GPS vehicle tracking devices.
• ExploreGPS.com
  E-tailer of Garmin GPS receivers and accessories.
• Eye4Software B.V.
  Developers of GPS mapping software, coordinate-conversion software, and GPS developer tools.
• Falcom Wireless Communications GmbH
  Designs, engineers and manufactures various GPS products, including GPS modules, GPS+GSM/GPRS modules, and other OEM/ODM products related to GPS and wireless communication.
• FarmerGPS
  Developers of agricultural GPS guidance products.
• Fastrax Oy
  Developers of compact GPS receiver modules for embedded solutions.
• Faucon Robotique
  Developers of GSM-based GPS tracking systems.
• Fibersense Technology Corporation
  Designs and manufactures precision navigation systems based on fibre optic gyros integrated with GPS.
• FieldWorker Products Limited
• Filanda Inc.
  SoftNav Products division provides software and hardware solutions for navigation, data recording, and other aeronautical applications.
• FindWare
  Supplier of GPS-based vehicle, personal, and child tracking solutions.
• Fischer Connectors SA
  Designers, manufacturers, and distributors of high performance circular connectors and cable assembly solutions.
• FleetBoss
  Developers of GPS-based vehicle tracking systems.
• Fleetilla, Inc.
  Providers of GPS-based integrated fleet tracking and communication products and services.
• Fleet Management Solutions
  Markets and deploys wireless communications solutions and automatic vehicle location services for the transportation industry.
• FleetMatics Fleet Tracking
  Providers of GPS-based fleet tracking solutions.
• FleetOnline (Teydo BV)
  Providers of economical Web-accessed GPS+GSM-based tracking solutions.
• Followit AB
  Developers of GPS- and cellular-based tracking systems.
• Fortuna Electronic Corp.
  Manufacturers of SiRF-chipset-based GPS receivers.
• FreeFlight Systems
  Manufacturers of GPS navigation systems for business and commuter aircraft.
• Fugro Starfix (Europe) AS
  Providers of global differential GPS corrections via the Inmarsat satellites.
• Fugro N.V.
  Providers of geotechnical, surveying, land positioning, and environmental services.
• Galileo Satellite Navigation Ltd.
  Developers of GNSS receivers, simulators, and indoor navigation infrastructure.
• Galleon Systems Ltd.
  Manufacturers of GPS-based time-synchronization products.
• Garmin International
  Designs, produces, and markets GPS receivers.
• Gemini Positioning Systems Ltd.
  Canadian distributor of Ashtech GPS receivers.
• GENEQ Inc.
  Distributor of GPS receivers for navigation, vehicle tracking, surveying, and mapping.
• GENISYS Research & Development, Inc.
  Manufacturers of the ACCUPHOTO line of GPS products for aerial photography applications.
• GEOCOMtms, Inc.
  Providers of fleet management software, including GPS tracking.
• GeoDiscovery Division of Madison River Technologies, Inc.
  Developers of location-based products and services including a GPS receiver module for Handspring Visor PDAs.
• GeoLine Positioning Systems, Inc.
  Sales, service, training, lease, and rentals of GPS receivers and other surveying equipment.
• Geometrix as
  Manufacturers of DGPS marine radiobeaon receivers.
• GeoMicro, Inc.
  Providers of mapping, routing, spatial searching, location and traffic technologies to telcom operators, enterprise clients and application developers and the Mobium navigation software for Windows Mobile devices.
• Geo++ GmbH
  Developers of GNSS software, GNSS reference stations, and RTK systems.
• GEOsat, Gesellschaft für satellitennutzende Vermessung mbH
  Providers of hardware and software for GPS surveying and mapping.
• GeoSpatial Solutions Pty. Ltd.
  Developers of MapPad, GPS-based moving map display software for the Apple Newton.
• GEOSurv, Inc.
  Providers of GPS software and integrated systems including GeoLab, Flykin and Semikin for Windows, GPS Photogrammetry Solution, and GEO'corder.
• Geotab Inc.
  Providers of fleet management and vehicle tracking technology.
• GEO-3D inc.
  Providers of mobile mapping solutions based on GPS and other positioning and imaging technologies.
• Geotronics AB
  Manufacturers of GPS receivers.
• Géosystèmes Inc.
  A geomatics company specializing in computer-assisted cartography and GPS positioning.
• Gigatron Associates Limited
  Canadian supplier of microwave products including Mini-Circuits components.
• GLB Wireless Data Systems
  Manufacturers of modems and radio modems for DGPS and other applications.
• Global Fleet Management
  Providers of a GPS-based tracking service for vehicles and assets.
• Global Locate, Inc.
  Developers of solutions for using GPS indoors with cellular telephone technology.
• Global Simulation Systems Limited
  Manufacturers of GPS simulators for design, evaluation, and integration of GPS products.
• Global Tracking Communications, Inc.
  Suppliers of GPS-based vehicle tracking systems for truck fleet management.
• Global Tracking Solutions, Ltd.
  Developers of GPS/GIS safety and security tracking systems.
• GNSS Solutions Ltd.
  GNSS tutorials/seminars, consulting, and expert legal services.
• Go Fleet Corp.
  Providers of fleet management capabilities using innovative telematics and dispatch solutions.
• GPS Applications, LLC
  Suppliers of GPS receivers, tracking equipment, software, and accessories.
• GPS Central
  Calgary shop and on-line retailer of Garmin GPS receivers and accessories.
• GPS City (formerly Imagine GPS Ltd.)
  Vendor of GPS receivers, accessories, software and DGPS services.
• GPS Crazy, Inc.
  Vendor of handheld and automotive GPS products.
• GPS Drawing
  Developers of GPS drawings on water, over land, and in the air and software to visualize such drawings.
• GPServ, Inc.
  Florida-based supplier of Trimble Survey and Mapping/GIS GPS systems.
• GPS Fleet Sales, Inc.
  Providers of GPS-based fleet tracking equipment and services.
• GPSFlight
  Manufacturers of GPS-based licence-free tracking systems.
• GPS4NET
  European-based provider of hardware and software for GPS-based fleet tracking.
• GPS-Home
  Distributors of Garmin vehicle and hand-held GPS receivers and accessories.
• GPSmart
  Distributors of automotive, marine, and recreational GPS receievers.
• GPS Networking, Inc. (formerly WR, Inc.)
  Manufacturers of signal splitters, amplifiers, and re-radiating kits specifically designed for L1/L2 GPS and GLONASS use and other GPS accessories and prototyping.
• GPS North America
  Provider of integrated fleet management and asset tracking solutions.
• GPS Police Inc.
  Developers of GPS security and fleet-management systems.
• GPS Shop (GPS Satellite Surveys Pty. Ltd.)
  Australian vendor of GPS receivers.
• GPSoft LLC
  Developers of GPS and GLONASS simulation software tools.
• GPS Online
  Developers of telematics, fleet management, and mobile computing solutions.
• GPS Outfitters Inc.
  Producers of "how to" GPS videos, manufacturers of GPS accessories, and distributors of GPS antennas.
• GPS Pursuit
  Developers of GPS/cellular-based vehicle tracking and locating systems.
• GPS Source, Inc.
  Manufacturers of GPS signal distribution and re-transmission products including amplifiers, splitters, and antennas. Also provides design services for GPS/GNSS infrastructure.
• The GPS Warehouse
  United Kingdom-based suppliers of GPS equipment.
• GPSX Ltd.
  United Kingdom-based suppliers of portable GPS systems for automotive and recreational activities.
• GPS Zone
  Retailers of hand-held GPS receivers and accessories.
• The Great All Outdoors Trading Company
  Vendor of handheld GPS receivers.
• Greenfield Associates
  Consulting and engineering company specialising in GPS and DGPS commercial product development.
• Grey Island Systems International Inc.
  Provider of advanced, real-time Internet-based GPS/AVL and telematics information systems. Solutions are marketed under the InterFleet and NextBus brands.
• Groupe BCI
  Developers of automobile navigation systems.
• GSE, Inc.
  Developers of a GPS-cellular-based vehicle monitoring and tracking system.
• GuardianLion
  Developers of a GPS panic button device.
• Guardian Mobility Corporation
  Providers of GPS- and GSM-based vehicle guard, monitoring and navigation systems.
• GuardMagic.com (Zelta Alksnis)
  Developer of location-aware wireless data communications platforms for monitoring and tracking people and assets.
• HABIT Research Ltd.
  Manufacturers of animal tracking equipment based on GPS and other technologies.
• Haicom Holland
  Dutch distributor of Haicom GPS receivers and accessories.
• Halltech Environmental/Exploration Outfitters
  GPS application specialists and supplier of GPS receivers from a large range of manufacturers.
• Hamilton Global Management, Ltd.
  Developers of TracWise GPS-based tracking system for commercial vehicles.
• Hans Trautenberg Software Consulting
  GPS Consulting and supplier of cables and connectors for Garmin receivers.
• Helenav
  European distributor for Tri-M's "Mighty Mouse" range of GPS antennas.
• Hemisphere GPS (formerly CSI Wireless Inc.)
  Designs, develops, and manufactures precision commercial and industrial GPS systems for a variety of global markets.
• Hixon Manufacturing and Supply Company
  Manufacturers of surveying equipment and suppliers of GPS receivers for the surveying and recreation markets.
• Horita Company
  Manufacturers of GPS-based SMPTE time code equipment.
• Holst-Webster Enterprises
  GPS and DGPS consulting and software services.
• Holux-UK
  GPS receiver manufacturer.
• Honeywell Commercial Aviation Systems
  Manufacturers of avionics systems.
• hopf Elektronik GmbH
  Manufacturers of GPS-controlled clocks.
• Horizons Technology, Inc.
• Horsodan Elektronik A/S
  Danish supplier of GPS receivers and software for marine applications.
• Horyzont-KPG Ltd.
  Polish supplier of GPS services.
• Houston Geoscan, Inc.
  Providers of navigation, positioning, and survey quality control software and processing.
• HunterPro
  Developers of GPS- and cellular-based tracking and security systems.
• Hydrografix Overseas Consultancy Service.
• Hyperdyne Inc.
  Developers of GIS- and GPS-related products.
• IbuyGPS.com
  Vendor of Garmin automobile, handheld, and wearable GPS receivers.
• II Morrow Inc.
  Manufacturers of Apollo GPS receivers for the aviation industry.
• Inmarsat
  The International Mobile Satellite Organization. Operators of satellite system for global, mobile communications and navigation services.
• Innovative Technologies
• INSAT L.C.
  Reseller of Trimble AGgps, Omnistar, and Starlink products and developers of a Parallel Swath Guidance System.
• INSTOCK Wireless Components
  Design, manufacture, and sell RF power dividers, combiners, and GPS/GNSS splitters.
• Instrument Sales
  Sales, service, and rentals of GPS equipment for land surveying.
• IntegriNautics Corporation
  Developers of high precision positioning architecture solutions (pseudolites) for aeronautical, agricultural, and many other precision systems applications, including manufacturing, land vehicles, and machine control.
• Intelligent Databases International Ltd.
  Database development and consulting services for IVHS navigation and location.
• Intelligent Mechatronic Systems Inc.
  Providers of GPS vehicle and fleet tracking systems.
• Intermetrics, Inc.
• InterTrak Tracking Services L.L.C.
  Vendor of custom telematics location products and services catering to automobile dealer networks, transportation fleets and mobile electronics retailers.
• InTouch MVC
  Manufacturer and supplier of GPS vehicle tracking devices and supplier of tracking services.
• Intuicom, Inc.
  Providers of wireless data network products for real-time GPS positioning and navigation.
• Intuitive Circuits, LLC
  Manufacturers of GPS video overlay systems.
• The Invisible Monitor
  Providers of Web-based boat and vehicle monitoring and tracking service using GPS. (See also Amtel Security Systems, Inc.)
• iSECUREtrac Corporation
  Builds and supports advanced tracking systems for monitoring and locating people, vehicles and assets.
• iTag.com
  Providers of a service to locate and protect a GPS-equipped cell phone.
• I-Tech Company
  Supplier of industrial and military rackmount TFT LCD monitors, flat panels, keyboards, and KVM (keyboard/video/mouse) swtiches.
• IWANTGPS.com
  Suppliers of portable GPS receivers for aviation use.
• James Associates
  Vendors of Garmin GPS receivers and MacGPS software for using a Macintosh with Garmin receivers.
• Japan Radio Company, Ltd.
  Manufacturers of GPS receivers.
• Javad Positioning Systems
  Manufacturers of GPS receivers.
• JCA Technology, Inc.
  Manufacturers of low noise amplifiers.
• Jensen's Catalog Sales
  Suppliers of Magellan handheld GPS receivers.
• John E. Chance & Associates, Inc.
• JRC Canada, Inc.
  Manufacturers of GPS receivers.
• Juniper Systems
  Providers of integrated hardware/software DGPS systems for natural resource and land management.
• Just SoftWorks, Inc.
  Developers of precision mapping software products.
• Kenwood Communications Corp.
  Manufacturers of mobile communications equipment and GPS-based automatic vehicle location devices.
• Knauff and Grove Soaring Supplies
  Vendor of GPS receivers and accessories for soaring enthusiasts.
• Knook Electronic Systems
  Developers of GPS-integrated tracking and navigation systems.
• KTrack Inc.
  Providers of vehicle, asset, and personal tracking services as well as fleet management.
• KVH Industries, Inc.
• K&L Agri Sales, Inc.
• K&L Microwave, Inc.
  Manufacturers of GPS bandpass filters.
• Laipac Technology Inc.
  Manufacturers of GPS and GPS/GLONASS receivers for the OEM market.
• Lambda Tech International, Inc.
• LandAirSea Systems, Inc.
  Manufacturers of GPS trackers for vehicle and fleet tracking and providers of GSM-based tracking services.
• Lap-Tech Inc.
  Manufacturer of quartz resonators for the frequency-control industry.
• Larson Systems, LLC
  Developers of GPS-based precision agriculture systems.
• L.A.S. Systems, Inc.
  Developers of GPS systems integration products.
• LaunchPath Technologies
  Developers and manufacturers of GPS and Internet-based tracking software and systems.
• Leadtek Research Inc.
  Manufacturers of SiRF-based GPS receivers.
• Leica Geosystems AG
  Manufacturers of GPS receivers.
• Leica Geosystems AG (North America)
  Leica GPS support services.
• Liikkuva Systems International, Inc. (LSI)
  Developers of land navigation software and GPS system integrators.
• Location Tech, Inc.
  Providers of GPS-based location services.
• Location Technologies
  Providers of GPS-based vehicle tracking systems to the public safety and commercial fleet markets.
• Lockhed Martin Space Systems, Missiles & Space Operations
  Designers and developers of GPS satellites.
• LocSense Technology Inc.
  Manufacturers of GPS receiver modules.
• Looket SysOnChip America
  Manufacturers of GPS receivers using Bluetooth and Compact Flash with built-in memory and all-in-one GPS portable navigation devices.
• Lotek Engineering Inc.
  Developers of GPS-based animal tracking equipment.
• lowcostcaraudio.co.uk
  Suppliers of car navigation equipment in U.K.
• Lowe Electronics Ltd.
  Suppliers of GPS remote antennas.
• Lowrance Electronics, Inc.
  Manufacturers of GPS receivers.
• Lumax International Corp., Ltd.
  Developers of GPS- and GPRS-based vehicle monitoring and tracking systems.
• Maestro Wireless Solutions
  Manufacturers of GPS modules based on CSR's SiRF chipset series.
• Magellan Systems Corp.
  Manufacturers of GPS receivers.
• Magnatec Technologie GmbH
  Manufacturers of GPS- and GSM-based AVL systems.
• Manifold Net. Ltd.
  Developers of GIS and GPS data collection software.
• Manning NavComp
  Developers of GPS tracking software using raster image files.
• Mappoint Asia
  Suppliers of vehicle tracking systems, maps, and software for south-east Asia.
• Maptech, Inc.
  Supplier of digital land, marine and aeronautical map data and software.
• Maptrails, Inc.
  Producers of GPS-interfaced interactive topographic mapping software and guides.
• Maptuit Corp.
  Supplier of wireline and wireles Internet location-based services.
• Marass KEG, Ing.
  Developers of GPS-based vehicle navigation systems.
• Marfor Equipment Ltd.
  Suppliers of GPS receivers and related products to the forestry, horticultural, and agricultural industries.
• Masterclock, Inc. (formerly W Clark & Associates, Ltd.)
  Manufacturers of GPS-driven time code generators and other time synchronisation products.
• Mathew Vangel and Associates
  Authorized dealer for Garmin GPS receivers.
• Mathew Vangel and Associates
  Authorized dealer for Garmin GPS receivers.
• Maxim Integrated Products, Inc.
  Manufacturers of GPS chip sets.
• Megapulse, Inc.
  Turnkey supplier of navigation systems.
• Meinberg Funkuhren
  Manufacturers of GPS receivers for time and frequency synchronization.
• Mentor Engineering Inc.
  Designs and builds wireless data communication and mobile computing/AVL solutions for fleet operations.
• Mercator, Inc.
  Houston-based GPS rental and sales company.
• Mezure
  Developer of real-time structural heath monitoring systems combining dual-frequency GPS, wireless networks and the Internet.
• Microhard Systems Inc.
  Designers and manufacturers of industrial spread spectrum serial and ethernet products which operate in the 902-928MHz and 2.4000-2.4835GHz ISM bands.
• Micronics GPS
  Manufacturer of wearable GPS units for GIS and surveying as well as high performance GPS equipment for exploration, machine control, agriculture, military, forestry, and local government.
• Micro Pulse, Inc.
  Manufacturer of GPS antennas.
• Microsearch Corporation
  Consulting and state-of-the-art Windows software for GPS surveying and geodetic applications.
• MicroTRAKgps, Inc.
  Manufacturers of GPS/GPRS-based tracking systems and providers of tracking services.
• MightyGPS.com
  Suppliers of GPS receivers and mapping software for laptop and PDA navigation.
• Mini-Circuits
  Manufacturers of power splitters, amplifiers, and other RF/IF modules.
• Mitel Semiconductor (formerly GEC Plessey Semiconductors)
  Manufacturers of GPS receiver chip sets.
• MIxpertS Inc.
  Developers of GPS-based tracking and mapping software.
• MMD Components
  Manufacturers of crystals and oscillators for GPS receivers and other applications.
• MOBA Mobile Automation AG
  Suppliers of GPS-based 3D-control systems for the construction industry.
• Mobile GPS Online
  Providers of GPS hardware and software for mobile GPS applications.
• Mobile Knowledge, Inc.
  Developers of GPS, wireless, and mobile communications technology for fleet management.
• mobileworld trackyou ltd.
  U.K.-based provider of vehicle tracking services.
• Motorola, Inc.
  Developers and manufacturers of GPS receivers and antennas.
• MPN Components
  Mapping, surveying, and outdoor-recreation GPS products.
• MSLocation Oy
  Mobile Location Systems and Services.
• µ-blox AG
  See u-blox.
• Nathan Telecom Ltd.
  Developers of mobile radio and data communications products including DGPS systems and services.
• National Computer Solutions
  Suppliers of equipment racks, rack-mounted displays and keyboards, and other peripherals.
• National Products Inc.
  Manufacturers of RAM Mounting Systems - rugged mounts and docking cradles for handheld GPS receivers and other devices.
• National Scientific Corporation
  Manufacturers of GPS-based tracking and location devices.
• NavCity
  London-based online store supplying an extensive range of GPS products and accessories for recreational, automotive, marine, and aviation use.
• NavCom Technology Inc.
  Manufacturers of GPS receivers and related equipment and providers of differential GPS services.
• Navigation Data Systems, Inc.
  Providers of GPS-based automatic vehicle location and tracking, mobile data, and computer-aided dispatch systems for transit, delivery, field service, public safety, u tilities, and security.
• Navigation Electronics, Inc.
  Dealer for Trimble GPS systems and supplies.
• Navionics
  Developers of seamless electronic charts.
• Navitrak International Corp.
  Developers and manufacturers of GPS-based mapping and imaging technology for navigation and data collection.
• NavLynx Technologies Inc.
  Telematics wireless applications service provider.
• Navman
  Manufacturers of GPS OEM modules, GPS receivers, and GPS navigation systems.
• NavSim Technology Inc.
  Developer and supplier of GPS navigation software for Windows and Pocket PC PDAs, topographic maps, and marine charts.
• Navstar Systems Ltd. (NavSymm)
  Manufacturers of GPS receivers.
• NavSync
  Manufacturers of high sensitivity GPS receiver chip sets and modules for the OEM marketplace.
• NAVSYS Corporation
  Developers of GPS products including GPS simulation software tools.
• Navtech Seminars and GPS Supply, Inc.
  Offering GPS seminars, books, receivers, and related-products.
• Navteq
  Provider of digital maps for vehicle navigation and location-based solutions.
• NCS International Inc.
  Providers of GPS and other navigation products, services, and support to the marine exploration, construction, and engineering industries. A RACAL company.
• NEC Electronics Corp.
  Manufacturers of GPS integrated circuits.
• NemeriX, SA
  Fabless semiconductor company, based near Lugano in Switzerland, specializing in the design and development of low power, high performance integrated circuits for GPS receivers.
• NetAcquire Corporation
  Manufacturers of GPS-based time servers.
• Networkcar
  Providers of comprehensive, real-time automotive diagnostic data and satellite-based location services to dealers, car owners, fleets, OEMs, and other vehicle data users.
• Neve ITS
  Manufacturers of augmented GPS navigation and positioning equipment.
• Neville Crosby Inc.
• New Development Ltd.
  Providers of GPS-based fleet tracking systems with driver-behaviour monitoring.
• NexTraq
  Providers of GPS fleet tracking solutions for the telematics industry.
• Nexus Mobile Tracking
  Suppliers of active and passive mobile tracking devices.
• Nobeltec Corporation
• NordNav Technologies AB
  Developers of Galileo and GPS software receiver technology for complete real-time receivers and licensing of software receiver application programming interface.
• North Coast Resource Management
  GPS education and sales.
• Northport Systems Inc.
  Developers of Fugawi moving map software
• Northstar Technologies
  Division of Canadian Marconi Company manufacturing GPS receivers.
• North Valley Land & Timber (NVLT)
  Suppliers of Magellan, Garmin, and Corvallis Microtechnology GPS receivers.
• Novacom Microwave Ltd.
  U.K. supplier of GPS-based timing systems for computer networks, utilities, and other applications.
• NovAtel Inc.
  Manufacturers of GPS receivers.
• Novotech Technologies Corporation
  North American distributor for Trimble navigation embedded products and Trim Tracs and SonyEricsson cellular data modems.
• Novus Power Products
  Manufacturers of OCXO, rubidium, and GPS-locked frequency reference products.
• NPI (National Products Inc.)
  Manufacturers of RAM (Round-A-Mount) ball-and-socket mounts for GPS receivers.
• NSH Techlogistics Ltd.
  U.K. manufacturers of GPS/GPRS-based tracking systems and providers of tracking services.
• NTXlogic
  Developers of GPS and Internet-based tracking software and systems, fleet management systems, and providers of custom product development services.
• Omnilink Systems
  Providers of vital status services for people or moveable assets using GPS and other technologies.
• Omnistar, Inc.
  Providers of wide-area differential GPS service in North America.
• One Track, Inc.
  Providers of GPS-based fleet tracking systems++.
• OnStar Corp.
  General Motors' GPS and cellular-based in-vehicle security, communications, navigation, and diagnostics system.
• Orion Dynamics and Control, Inc.
  Developers of GNSS simulation software tools.
• Outland Technology Inc.
  Manufacturers of GPS video overlay systems.
• Paccomm Packet Radio Systems, Inc.
  Manufacturers of radio modems and GPS-based tracking systems.
• Pacific Crest Corporation
  Manufacturers of VHF and UHF radio modems for DGPS.
• Paroscientific, Inc.
  Manufacturers of meteorological measurement systems for GPS meteorology, environmental monitoring, and other applications.
• Parthus
  GPS chip designers.
• PCI Enterprises Inc.
• Pelorus Navigation Systems, Inc.
  Suppliers of DGPS SCAT-I ground stations.
• Phantom Tracking Systems
  Providers of GPS fleet and personal tracking services.
• Philips Car Systems (Royal Philips Electronics) / Mannessman VDO
  Manufacturers of the Carin navigation system.
• Philips Semiconductors (Royal Philips Electronics)
  Manufacturers of GPS chip sets.
• Philsar Electronics Inc.
  Manufacturers of GPS receiver RF front-end chips.
• PinPoint Tracking Systems, Ltd.
  Developers and manufacturers of covert GPS surveillance systems.
• Polstar Technologies, Inc.
  Dedicated manufacturer of GPS receivers and all-in-one navigators.
• PowerLOC Technologies Inc.
  Develops and produces enabling technologies and products for the emerging L-Biz (L-Commerce) industry.
• Prairie Geomatics Ltd.
  Suppliers of Garmin and Magellan GPS receivers and accessories and custom DGPS systems.
• Precision Navigation/CSL CommTech Ltd.
• Premier GPS Inc.
  Suppliers of GPS receivers and tracking equipment and services.
• Prolificx
  Providers of a range of GPS and satellite vehicle tracking devices for trucks and other commercial vehicles. An Imarda Inc. company.
• Proscan
  Division of Warsaw-based Procar manufacturing antennas for GPS navigation and tracking.
• Pro Tech Monitoring, Inc.
  Developers of GPS-based portable tracking devices for the criminal justice system.
• Protos Comunicaciones
  Developers and manufacturers of GPS-based vehicle tracking devices and systems.
• Pulsearch Navigation Systems Inc.
  PNS is a geomatics engineering company specialising is assessing and developing GPS-based mobile information and navigation systems.
• Pyramid Communications
  Manufacturers of GPS-based automatic vehicle location products.
• Qstarz International Co., Ltd.
  Manufacturers of Bluetooth GPS receivers.
• Quality Positioning Services bv
  Developers of software for positioning and navigation including a real-time integrated navigation system and providers of navigation services.
• Quartix Ltd.
  Supplier of internet-based vehicle tracking systems using GPS and GSM technology.
• QSI Corp.
• Racal Avionics Limited
  Manufacturers of avionics systems.
• Racal Survey Australia Limited
  Suppliers of offshore positioning, geophysical, and Racal LandStar satellite-based DGPS services in Australia.
• Racal Survey USA Inc.
  Suppliers of Racal LandStar satellite-based DGPS service in North America.
• RackmountNet (JAF International, Inc.)
  Suppliers of equipment racks, accessories, and rackmount PCs and peripherals.
• RackmountMart.com (Synergy Global Inc.)
  Suppliers of equipment racks, accessories, and rackmount PCs and peripherals.
• RACO Industries, Inc. (GPS Solutions Divison)
  Vehicle and mobile asset location and tracking devices and services.
• Radio Satellite Corporation
• Radio Satellite Integrators, Inc. (RSI)
  Designs, manufactures, and markets integrated systems for automatic vehicle location (AVL) and object tracking utilizing GPS.
• RadioShack Corp.
  Retailers of hand-held GPS receivers and GPS-based vehicle locator/communicator.
• Rainbow Gold Enterprise
  Web retailer of electronic products including consumer GPS receivers.
• Raveon Technologies Corporation
  Developers of the RavTrack vehicle tracking system.
• Rayming Corp.
  Developers, manufacturers, and distributors of GPS receivers.
• Raytheon E-Systems
  Developers of DGPS SCAT-I ground stations and GPS vehicle tracking systems.
• RDI Computer Corp.
• redKnows.com (AxTech AB)
  Developers of GPS-based tracking and vehicle security systems.
• Remote Asset Management Ltd.
  Providers of GPS-based vehicle tracking services in U.K.
• Rentec International Inc.
• RESON, Inc.
• Resource Industry Associates
  Developers of MapPad, digital maaping software for the Apple Newton.
• Rewire Security
  Manufacturers and suppliers of real-time GPS tracking devices and GPSLive – cloud-based, real-time GPS tracking software.
• RF Globalnet
  Internet engineering and business center for the microwave industries featuring articles, books, product data sheets, on-line courses, and job postings.
• RF Micro Devices
  Manufacturers of GPS chipsets and receivers.
• Road Warrior Outpost
• Rockwell International Corp.
• Rockwell Collins, Inc.
  Manufacturers of GPS receivers.
• Rogers Industries, LLC
  Developers, manufacturers, and system integrators for vehicular navigation, location, and tracking software and systems.
• Round Solutions Ltd.
  Designers, manufacturers, and distributors of GSM-GPRS telematics hardware.
• RoyalTek Co. Ltd.
  Manufacturers of GPS receivers.
• SANjose NAVigation, Inc.
  Manufacturers of GPS receivers and antennas.
• Sarantel, Ltd.
  Manufacturers of GPS antennas.
• Satellite Tracking of People (STOP) LLC
  Providers of GPS tracking systems and services to corrections and law enforcement agencies.
• Satloc, Inc.
  Providers of L-band satellite-delivered WADGPS correction service.
• Science Applications International Corporation (SAIC)
  Providers of planning and technology implementation for GPS.
• Sea Information Systems (SIS) Ltd.
  Developers of Microplot, a PC-based integrated navigation tool.
• SeaViewer Cameras, Inc.
  Manufacturers of GPS video overlay units.
• Secugis HiTech Corp.
  Designs, manufactures, and markets GPS-based location and tracking devices for personal and vehicle uses.
• Security Concepts
  Manufacturers of GPS tracking equipment.
• Septentrio NV
  OEM provider of high-precision dual-frequency GPS/GLONASS/EGNOS/WAAS chipsets and receivers.
• Sextant Avionique (now Thales Avionics)
  Manufacturers of GPS receivers for aviation use.
• Shanghai Queclink Wireless Solutions Co., Ltd.
  Designs and manufactures various GPS/GSM trackers for fleet management and vehicle, asset, and personal tracking.
• Shenzhen Xexun Technology Co., Ltd.
  Manufacturers of GPS/GSM trackers for tracking and protecting vehicles, goods, children, pets, etc.
• Siemens Automotive
• SiGEM Inc.
  See Mobile Knowldege, Inc.
• SiGe Semiconductor, Inc.
  Manufacturers of GPS chip sets.
• Sigtec Navigation Pty. Ltd. (Signav)
  Manufacturers of GPS modules.
• Silva Group
  Manufacturers of GPS receivers.
• SiRF Technology, Inc.
  Manufacturers of GPS chip sets.
• Sirius Technologies
  Distributors of location-based GPS and wireless modem solutions for automotive, fleet, and asset management.
• S!TE Manufacturing, Inc.
  Manufacturers of GPS/GIS and conventional land survey equipment accessories.
• SkyDec B.V.
  Developer and supplier of military hardware and software with a special focus on navigation and communication.
• Skyforce Avionics Ltd.
  Developers of SkyMap, a GPS moving map product for aviators.
• SkyHawke Technologies, LLC
  Developers of SkyGolf GPS, a GPS product for golfers.
• SmartTrack
  Vehicle dispatch, tracking, and monitoring. An Imarda Inc. company.
• SnapTrack, Inc.
  Developers of cellular-telephone-based GPS positioning technology.
• Socket Communications, Inc.
  Manufacturers of Bluetooth-enabled GPS receivers and accessories.
• Soft Nav Ltd.
  Russian developers of avionics systems with emphasis on GPS/GLONASS technology.
• Softree Technical Systems Inc.
  Developers of surveying, mapping and engineering software for the natural resources industries.
• Sokkia Co., Ltd.
  Distributors of GPS equipment manufactured by Point, Inc. for the surveying, mapping, and construction industries.
• Solara Remote Data Delivery Inc.
  Manufacturers of rugged hendheld Iridium satellite GPS-tracking units.
• Sony Corporation
  Manufacturers of GPS chip sets.
• Sorensen's Computer Connection, Inc.
  Providers of customized GPS-based tracking, agricultural, and recreational solutions.
• Southeastern Reprographics Inc.
  Developers of systems combining GPS and laser rangefinders.
• Spectracom Corporation
  Designers and manufacturers of GPS-based legally-traceable time synchronization and frequency standards for public safety, commercial, industrial, and government applications.
• Spectra Precision Terrasat GmbH
  Developers of software for processing GNSS data, reference station monitoring, and other GNSS-data-related tasks.
• Spectrum
  Manufacturers of GPS video overlay equipment.
• Spectrum Instruments, Inc.
  Manufacturers of GPS-based time and frequency standards.
• Spirent Federal Systems, Inc.
  Manufacturers of GPS, GLONASS, and SBAS satellite simulation products.
• SPIRIT Corp.
  Developers of GPS and GLONASS software and receiver hardware designs for licensing.
• S.P.K. Electronics Co., Ltd.
  Manufacturers and distributors of components for OEM GPS receivers.
• Starcom Systems Ltd.
  Providers of GPS fleet tracking systems and services.
• Starlink Inc.
  Suppliers of DGPS Products.
• Stars Navigation Tech Ltd.
  Designs, develops, and manufactures wireless GPS products for navigation and tracking.
• Stellar Navigation Systems Inc.
  Developers of GPS software products.
• Steve Lieber & Associates, Inc.
  Sales, leasing, and training in DGPS navigation systems. Featuring NovAtel GPS receivers, Starlink beacon receivers, and Pacific Crest data radios.
• Steward Cable Inc.
  Manufacturers of replacement GPS cables.
• ST Microelectronics
  Manufacturers of GPS chipsets.
• Strata Software & Consultancy Ltd.
  Developers of the Penmap tablet PC GPS surveying system.
• Stratos Global Corporation
  Providers of mobile and fixed remote communications solutions including GPS-based vessel tracking systems.
• SumedaTech
  Manufacturers of GPS-based training and outdoor activity products.
• Sungate
  Agent for the BART cellular GPS system.
• Sunninghill Systems
  Developers of GPSS, Global Positioning System Software, for car naivigation.
• Surveylab Ltd.
  Developers of ikeGPS, a handheld GPS data collector, integrating sub-metre GPS positioning with a laser rangefinder, a 3D compass, and a digital camera.
• Swagur Enterprises
  Manufacturers of low noise amplifiers.
• SXblue GPS
  Manufacturers of DGPS receivers; a division of GENEQ Inc.
• Synergy Microwave Corp.
  Designers and manufacturers of microwave signal-processing components.
• Synergy Systems, LLC
  Distributors of Motorola Oncore GPS boards and components.
• Synometrix
  Designer and integrator of GPS-based AVL tracking systems.
• Taiwan Falcon Aerospace Corp.
  Manufacturers of GPS and GLONASS receiver modules, handheld receivers, and automatic vehicle location systems.
• TAL Technologies, Inc.
  Manufacturers of GPS receiver interface software.
• Talon Research & Development Company Ltd. (Talon Technology)
  Designers and manufacturers of GPS receivers and other marine electronic products.
• Taoglas Ltd.
  Developers, manufacturers, and distributors of GPS antennas, receivers, and receiver modules.
• Tallysman Wireless Inc.
  Developers and manufacturers of global navigation satellite systems (GNSS) products and GPS fleet management solutions.
• Technocom Corporation
  Suppliers of E911, E112 and Location Based Services solutions for wireless location networks.
• Tekron International Ltd.
  Providers of GPS-based time synchronisation solutions.
• Tele Atlas
  Providers of digital maps for a variety of navigation products and enterprise and consumer solutions.
• Telemetry Solutions
  Developers of GPS-based animal tracking systems.
• Tele Quarz Group
  Manufacturers of quartz crystals, quartz crystal oscillators and quartz crystal filters for GPS receivers and other electronic devices.
• TeleType Company
  Manufacturers of GPS receivers and developers of GPS-based vehicle navigation and tracking systems and moving map GPS software for Windows CE.
• Televilt (TVP Positioning AB)
  Developers of GPS-based animal tracking systems.
• Telonics Inc.
  Developers of GPS-based animal tracking systems.
• Telson Communications Inc.
  Magellan GPS equipment distributor and publishers of the first GPS trail guide.
• Tempus Microsystems Inc.
  Developers of an asset tracking and management system for the trucking industry.
• Tendler Cellular
  Developers of FoneFinder GPS-integrated cellular telephone technology.
• Terradox Corporation
  Developers of GPS-based guidance and navigation equipment for agriculture, airports, and roadside maintenance.
• Terramatic Technology Inc.
  Designers and marketers of GPS positioning and navigation systems.
• TerraPro GPS Surveys Ltd.
  Sales and rental of GPS receivers and suppliers of DGPS data for British Columbia and parts of Alberta.
• TerrisGPS
  Providers of high-end leading-edge GPS equipment to public and private organizations across North America (USA, Mexico, and Canada).
• Thales Avionics
  Manufacturers of GPS receivers for aviation use.
• Thales Navigation
  Manufacturers of GPS/GLONASS receivers.
• Thales Navigation
  Manufacturers of GPS/GLONASS receivers.
• The Bass Bin
  Birmingham, U.K., based distributors of vehicle navigation systems.
• ThinkGeo
  Developers of GPS-based mobile asset tracking systems.
• 3S Navigation
  Manufacturers of GLONASS/GPS receivers.
• TimeTools
  Providers of GPS computer and network timing solutions.
• Toma Track
  Distributors of GPS tracking equipment for wildlife.
• Topcon America Corp.
  Manufacturers of GPS receivers.
• Tracking Solutions Corp.
  Sales and rental of GPS-based tracking systems.
• Track Star International, Inc.
  Manufacturer and supplier of GPS-based AVL systems.
• TrackingTheWorld.com
  Manufacturer of GPS tracking devices for law enforcement agencies and private investigators.
• TrackYourTruck.com
  Suppliers of GPS-based vehicle tracking services.
• Transas Marine (U.K.) Ltd.
  Developers of electronic chart systems and other navigation products for marine and aviation use.
• TransiTiva LLC
  Providers of high-end leading-edge GPS equipment to public and private organizations across southwestern U.S.A.
• TravRoute Software
  Suppliers of GPS navigation software and hardware to consumers, business professionals, and automotive manufacturers.
• Trilithic, Inc.
• Trimble Navigation Ltd.
  Manufacturers of GPS receivers.
• Tri-M Systems Inc.
  Canadian supplier of Trimble OEM receivers and other products for embedded systems.
• TriQuint Semiconductor, Inc.
  Designers, developers, manufacturers, and marketers of a broad range of GaAs digital, analog, and mixed signal integrated circuits.
• Tristani Management and Engineering Company
• TrueTime, Inc.
  Manufacturers of GPS-based time and frequency products.
• TT Designs
  Developers of computer systems for marine navigation including GPS NMEA interfacing.
• TurboNET Communications Engineering
  GIS/GPS/Mapping Services.
• Tyco Electronics Corporation
  Manufacturer and supplier of smart positioning products: GPS modules, controllers, and telematics platforms.
• u-blox AG
  Manufacturer of GPS receiver frontend and baseband chips and receiver modules, plus GSM and UMTS modules.
• Universal Tracking Canada
  Providers of GPS-based tracking and fleet-management services.
• University Technologies International, Inc.
• US RADAR Inc.
  Manufacturer and distributor of ground penetrating radar systems and associated GPS and GIS mapping software.
• Valence Semiconductor
  Manufacturer of GPS chips.
• Veracity Wireless, Inc.
  Providers of the FieldTechnologies line of GPS tracking solutions for commercial vehicles, heavy equipment, and cellular phones.
• Veridan Engineering
  Developers of GPS modelling and simulation tools and GPS monitoring equipment.
• ViaSat Géo-Technologie Inc.
  Providers of geomatics consulting services and developers of GPS/GIS products for the geomatics industry.
• Veripos
  Providers of high-frequency and satellite-delivered DGPS services.
• Vexcel
• VIAMOTO
  Motorola division providing location and services software for mobile phones.
• ViewPoint Systems, Inc.
  Designers and manufacturers of rugged displays for the military, defense contracting industry, and airborne law enforcement community, including their use with GPS equipment.
• Vortex Géo-Position
  Providers of AGPS for Bell Mobility and GPS-based vehicle tracking and fleet management systems and services.
• V-Sol Ltd.
  Providers of a live GSM- and GPS-based vehicle tracking, location, and communication system in the U.K. and continental Europe.
• Waypoint Consulting Inc.
  Developers of GPS high-precision software for real-time and post-processing applications.
• W Clark & Associates, Ltd. (now Masterclock, Inc.)
  Manufacturers of GPS-driven time code generators and other time synchronisation products.
• Webraska Mobile Technologies SA
  Webraska is a worldwide provider of wireless navigation, spatial searching, mapping and traffic information services and technologies for telecom operators, car manufacturers, and application developers.
• WebTech Wireless
  Providers of location services for wireless carriers, trucking fleets, and private vehicle owners.
• Welnavigate, Inc.
  Manufacturers of GPS signal simulators.
• Wenoweur
  Developers of wearable GPS logging systems and biosensors.
• Western Latitudes
  Develops, bundles, and distributes leading edge GPS solutions for a variety of fields including geodesy, surveying, mapping, geographic information systems, navigation, cartography, remote sensing, photogrammetry, agriculture, and construction.
• West Marine
  Suppliers of GPS receivers and auxiliary equipment.
• Wingra Data Systems
  Providers of custom field computing solutions for harsh-environment computing, hands-on GPS seminars, and CMT ruggedised GPS receivers.
• Wireless Planet
  Suppliers of GPS/GSM-based vehicle location systems.
• WireTrak Inc.
  Designers, developers, and integrators of mobile computing and automatic vehicle location systems.
• Wonde Proud Technology Co., Ltd.
  Suppliers of GPS receivers, modules, and in-car navigation system boards based on NemeriX GPS chip sets.
• World Time Solutions Ltd.
  Designers and manufacturers of timing equipment, including GPS receiver systems.
• Worldwide Notification Systems, Inc.
  System integrators of GPS and GIS information serving the transportation, public safety, and aviation communities.
• XEMICS
  Designers and manufacturers of GPS chip set.
• XS Technologies Inc.
  Developers of GPS-based vehicle and asset tracking systems.
• YIC (Yuechung Internal Corp.)
  Manufacturers of GPS, antenna, and frequency-control products.
• Zyfer, Inc.
  Designers, developers, and manufacturers of GPS-based precision time/frequency generation and synchronization products for civil and military use.