Trading States Limited GPS vehicle trackers and vehicle management systems, including software, also alarms, pagers and other car security products. http://www.tradingstates.com/

TrakM8 Tracks your vehicle using your normal GSM mobile phone. http://mytrakm8.com/

TralPro Offers GPS, wireless, radio-based vehicle and asset tracking systems for fleet and asset management. http://www.TrakPro.com

Trimble Navigation Limited Fleet management and mobile asset tracking systems. http://www.trimble.com/mpc/index.htm

uLocate Developer of location based services, leveraging GPS enabled mobile phones and the internet to deliver solutions for locating, tracking, and communicating with individuals and vehicles a 24 x 7 basis. http://www.ulocate.com

Universal Tracking Technologies, Inc. Product design to reduce operating costs for busing, waste management, delivery, maintenance, and vehicle fleets of every kind. http://www.universaltracking.com/

V-Sol Developers and suppliers of GPS vehicle tracking systems using satellite technology. http://www.v-sol.co.uk

Vehicle Insight Monitoring for businesses in England, Scotland & Wales. Data from vehicles is captured via the web and relayed to a desktop PC. http://www.vehicle-monitoring.co.uk

Vehicletrack Retailer of automatic vehicle location systems and fleet management solutions. http://vehicletrack.com

Vericom Technologies, Inc. Data Management System designed for event monitoring and data collection utilizing Global Positioning System (GPS) technology for the fleet transportation industry. http://www.vericomtechnologies.com

Vigil Systems Requires measurement of operational parameters whether it is speed, location, driver performance, vehicle performance or payload monitoring. http://www.vigilsystems.com.au/

vShepherd Provides mobile asset tracking, vehicle location, theft detection and equipment recovery solutions using GPS, cellular and internet-mapping technology. http://www.vShepherd.com

WebTech Wireless Vehicle location services provider delivering GPS tracking and two-way messaging services for wireless carriers, private and trucking fleets and vehicle owners. http://www.webtechwireless.com

Where-Tech, LLC Distributes affordable GPS based, MS Office compatible, tracking units and base stations for use in cities, schools and service fleets. http://www.where-tech.com

Wherify Wireless Products and services using GPS and cellular technologies to locate people or property through the Internet or phone. http://www.wherifywireless.com/

Wi-Sys Communications, Inc. Manufactures and designs of products for GPS and satellite communications systems, as well as antennas for the telematics, mobile radio, and precision GPS markets. http://www.wi-sys.com

Wireless Links Mobile data solutions provide to end user or software developer based on CDPD, iDEN, GPRS, CDMA and satellite networks. http://www.wlius.com

WorldTracker Manufacturer of real-time vehicle tracking equipment. Includes software demo, user manuals, and FAQ. http://www.trackingtheworld.com