ArmBike 
A three-wheeler with 2 rear wheels that are mounted in a negative angle for improved roadholding abilities.
http://www.armbike.org/Freedom Ryder
The manufacturer of the superbike. Product line, testimonials, design, racing team featured.
http://www.freedomryder.com/
Lightning Handcycles
Lightning Handcycles
http://www.handcycle.com/
Varna Innovation & Research Corp.
VARNA designs and manufactures innovative cycles and handcycles. Based on Gabriola Island, British Columbia.
http://www.varnahandcycles.com/
HydroBikes
The human powered watercraft that is virtually maintenance-free.
http://www.electricdeckboats.com
Achievable Concepts
A range of adapted cycles for people with disabilities including recumbent tricycles, hand cycles and tricycles for children.
http://www.achievableconcepts.com.au/
Intrepid Equipment
Manufactures and supplies handcycles, sit-skis, and other adaptive sports equipment. USA.
http://www.intrepidequipment.com
