Aeronautical
- 401
- HP Aircraft LLC
- Manufacturer of parts, subkits, and upgrades for the popular HP/RS series of homebuilt sailplanes.
- 403
- Murphy Aircraft Mfg. Ltd.
- Produces a range of aircraft kits from a two-seater biplane to a six-seater high-wing monoplane.
- 406
- Supermarine Aircraft
- Developed the two seater Mk 26 which is an approximate 80% scale version of the original Spitfire (Anstead, Australia).
- 407
- Van's Aircraft, Inc.
- Producing the RV range of aircraft including 1 and 2 passenger tandem and side-by-side models.
- 409
- CH-7 Helicopter Heli-Sport srl.
- Producing 1 and 2 seat helicopters in kit form. [choose between Italian and English]
- 410
- Gyro-Kopp-Ters
- Offers the Midnight Hawk and Mosquito Hawk, gyroplane kits. Pictures, specifications and pricing.
- 411
- Vortech, Inc.
- Producing several small helicopter and gyroplane kits and plans with specifications, pictures and ordering information.
- 412
- Arnet Pereyra, Inc.
- Arnet Pereyra is the manufacturer of Aventura composite/fiberglass kits with seaplane floats.
- 414
- Quad City Ultralight Aircraft Corp.
- Profiles the kit manufacturer for the popular Challenger ultralight and experimental planes.
- 415
- Quicksilver Manufacturing, Inc.
- The large manufacturer of ultralight aircraft about the GT and MX models in various configurations, its facilities and dealers.
- 416
- Diamond Fasteners
- Distributes all types of Aircraft fasteners such as aircraft nuts and bolts aerospace fasteners.