UK NTTA - National Trailer and Towing Association - NTTA members' portal. Promotes standards, quality control and training within the industry. Site includes safety questions and a buyers' guide.

Britannia Specialist Fitting Services - Britannia are tow bar and towing specialists. They specialise in the supply and installation of tow bars, cycle carriers, GPS satellite navigation, park assist reversing aids and hands free phone kits.

Westfalia Towbar Systems - Westfalia have manufactured over 10 million tow bars for a whole range of vehicles. It makes Westfalia one of the leading tow bar manufacturers. Westfalia tow bars have a high level of precision as well as simple usage.