Touchstone Designs - Offering Maxxraxx bicycle racks that attach to your trailer hitch. Carry up to 5 bikes at a time. - http://www.maxxraxx.com/
Hitch Rider Racks Inc. - Manufacturer of bike, ski, snowboard, and tow carry racks and a heavy duty no wobble stabilizer for all kinds of receiver hitch accessories. - http://www.hitchrider.com/
Rackbiz, LLC. - Specializing in bike rack carriers, hitch caps, steps, cargo bars and other road travel accessories. - http://www.rackbiz.com
Renniks - Truck bike racks with ability to carry one to nine bicycles. - http://www.biketote.com/
Draftmaster Hitch Racks - Hitch mounted racks that are designed to mount standard, suspension, recumbents, tandems and recumbent-trikes and bikes. - http://www.draftmaster.com