Landwide Co., Ltd.
- Manufacturer, exporter and supplier of shopping scooter, children's kick scooter and tricycle, unicycle. Taiwan.
- http://www.landwide.com.tw/

Aerorider v.o.f.
- The Netherlands. Design and manufacture of a hybrid tricycle created with a aerodynamic bodywork of glass fibre and carbon epoxy composite.
- http://www.aerorider.com/

Eric Staller's Conference Bike
- A tricycle built for 7 riders sitting in a circle. One person steers while everyone pedals and chats.
- http://www.conferencebike.com/

Delfosse Technologies, Inc.
- Solar electric tricycle. Sells plans, parts and fully assembled. Street legal with no license required.
- http://www.solartrike.com