Auto Revers Safety Device 
Manufactures a back-up obstacle detection/collision warning system that is capable of warning a driver of the presence of any object within a defined area behind the vehicle when the vehicle is engaged in reverse gear. From Korea.
http://www.nasantech.co.kr/Fallon Products
Manufactures Park'N Place that helps a driver stop in their garage and keeps the garage floor clean.
http://www.parknplace.com/
Guardian Alert
Manufactures a backup warning system for automobiles.
http://www.guardianalert.com/
Sense Technologies, Inc
Manufactures a back-up obstacle detection/collision warning system that is capable of warning a driver of the presence of any object within a defined area behind the vehicle when the vehicle is engaged in reverse gear.
http://www.sensetech.com/
Preco Electronics Inc.
Manufactures a radar object detection system, rear and side camera system, a visual warning aid for heavy equipment applications.
http://www.preco.com/
Lanzoni
Manufactures two and four post electro-hydraulic lifts and accessories for car repair workshops as well as a double parking lift.
http://www.lanzoni.com/
Autosonics Ltd
Automatic back up alert system for most types of vehicles.
http://www.autosonics.co.uk/
