Other Bike and Trike Organizations
Brothers of the Third Wheel (BTW) - Worldwide triking organization based in Missouri, USA. They have a bi-monthly magazine distributed throughout the membership. The BTW is a good source for trike builders and trike enthusiasts.
Trike Rider International (TRI)
KCE Welding and Fabrication - A general welding and fabrication shop located in Wichita, Kansas. KCE is a great source for custom fabrication of parts not available anywhere else.