Invacare TopEnd http://www.invacare.com
Freedom Ryder http://www.freedomryder.com
Capricorn Cycles http://www.capricorncycles.com
Wheel Aggressive http://www.wheelaggressive.com/
Bike-On.com http://www.bike-on.com
One-off Titanium Handcycles http://www.titaniumarts.com/content/handcycles.html
Lightning http://www.handcycle.com
New Halls Wheels http://www.newhalls.com
SPORTAID http://www.sportaid.com
Armstrong Sports http://www.armstrongsports.com/
Spinlife.com http://www.spinlife.com
Creative Mobility/The Bike Rack
http://thebikerack.com/site/
Spokes'n Motion http://www.spokesnmotion.com
Adaptive Adventures http://www.edaptive.org
World T.E.A.M Sports http://www.worldteamsports.org
Challenged Athletes Foundation http://www.challengedathletes.org
Wheelchair Sports U.S.A. http://www.wsusa.org
PA Center for Adapted Sports http://www.centeronline.com
Northeast Passage http://www.nepassage.org
National Ability Center http://www.nac1985.org/sports/cycling.asp
Shake-a-Leg http://www.shakealeg.org
USA Cycling http://www.usacycling.org
HandcycleRacing.com http://www.handcycleracing.com
Handcycling.com http://www.handcycling.com
Lone Star Handcycling http://www.lonestarhandcycling.com
Handcycle Page http://www.thefishnet.com/handcycles/
Paul's Handcycling Diary http://home.earthlink.net/%7Edepauldtp/index.html
l'Association Sport Fauteuil Mulhouse
http://www.asfmulhouse.org
Handcycling Association U.K.
http://www.handcycling.org.uk
Faszination Handbike http://www.handbike.de
Peter Axelson & Beneficial Designs
http://www.beneficialdesigns.com
Handcyclists Yahoo Group http://groups.yahoo.com/group/handcyclists
New Mobility Magazine http://www.newmobility.com
Sports 'n Spokes http://www.sportsnspokes.com
