Aeronautical
- 441
- KRN Aviation Services
- Provider of general aviation aircraft parts including Cessna, Piper, Citation, Falcon, Caravan, Beechcraft, and Lear.
- 442
- Kitchener Aero
- Sales, installation and certifications of avionics systems for general aviation and small business jets.
- 444
- Nulite
- Manufacturer of FAA approved instrument lighting that can be installed by the owner/operator.
- 445
- Plane Plastics, Ltd.
- Supplier of FAA approved plastic cabin liner components for General Aviation Aircraft.
- 447
- Quiet Technologies
- Manufacturers of the Ultraflite headband, a novel alternative to conventional aviation headsets.
- 448
- Ralmark Company
- Manufacturers of precision pulleys for aircraft control systems and industrial system applications.
- 449
- Real World Solutions, Inc.
- Manufacturers of equipment that assists the conversion of a Mazda Rotary engine for aviation use.
- 450
- Strube, Inc.
- supplier of aircraft instruments and parts, autopilot components and testers, and FAA repair shop.
- 451
- Teledyne Continental Motors
- Manufacture, sales, service, and support of aircraft engines, batteries, and ignition systems.
- 454
- Brown Aviation Tool Supply Co.
- Supplier of specialty aviation hand, air, cutting tools, clecos, rivet guns, and threaded drills.
- 455
- Electro Polish Systems
- Produces electroplating tools, cleaners, and equipment for the medical, food, aerospace, pharmaceutical, and automotive industries.
- 456
- Fastening Systems International, Inc.
- Offers a complete line of rivets and tools for military, aerospace, and commercial applications.
- 457
- Kell-Strom Tool Company
- Custom tooling and machining, online sales and distribution of mechanic and aviation hand tools from leading tool manufacturers.