https://biz.prlog.org/us/gprs/ GPRS - United States - Free business directory on PRLog.Org, latest companies listed first. 60 https://biz.prlog.org/PortmanUSA/ Portman is an OEM manufacturer of GPS/satellite/GSM security products. With its 28 year background, Portman designs and manufactures GPS tracking devices for vehicles, assets, and individuals in over 70 countries. www.portmansecurity.comTue, 27 Jul 2010 13:44:13 GMT https://biz.prlog.org/avante/ AVANTE is a total solution RFID technology provider. The company provides security and access control, personnel and asset real time location (RTLS) visibility, and intermodal GPS/GRRS tracking and RSSI based intrusion detection systems.Fri, 12 Jun 2009 20:28:45 GMT https://biz.prlog.org/SecuraTrac/ A leading provider of personal location services through the use of GPS, a small, 1.7 ounce device, and personalized website to track children, the elderly, pets, cars, and other important assets in real time. Sun, 17 May 2009 22:02:15 GMT