Palma Auto Boot 
Features immobilizers for the security of cars, trailers, and other vehicles.
http://www.palmaautoboot.com/Black Widow Vehicle Security Systems
Manufacturer of car and truck alarm systems, keyless entry, and security accessories. Includes a listing of dealers .
http://www.blackwidowsecurity.com/
Compustar
Car alarm, remote starter and pager built into one unit.
http://www.compustar.org/
GNU Industries, Inc.
Supplies car alarms, remote engine starters, keyless entry systems and power door lock kits.
http://www.commandoalarms.com/
Hofco Alarms
Supplies anti-carjack and automotive alarm systems. Culver City, California.
http://www.hofcoalarms.com/
Joy Life Electronic Co., Ltd.
Manufacturer of car alarm systems.
http://www.joylife.com.tw/
Bridgwater Electronics
Offering vehicle security systems, based in the UK.
http://www.bridgwater-electronics.co.uk/
