As a leading manufacturer of security devices, Portman has been dedicated to supplying GPS/GPRS/GSM tracking systems, car alarms, audio systems and home security systems for over two decades.
510 Turnpike St. Suite 204 North Andover, MA 01845 USA
Established in 1983 in Taiwan, Portman began as a manufacturer of sirens and quickly built a solid reputation based on the advanced design and exceptional reliability of its products. This successful beginning fueled a rapid expansion into the vehicle and home security systems markets.