Aeronautical
- 423
- Townend Aerospace
- Manufacturer of automatic fastening equipment, tools, material handling positioner systems.
- 426
- Champion Gasket and Rubber, Inc.
- Custom manufactured, high performance gaskets available in a wide variety of materials and specifications.
- 427
- Cross Manufacturing Company Ltd
- Manufactures brush seals and metal sealing rings for piston and gas turbine engines.
- 428
- HCC Industries
- manufacturer of glass-to-metal seals, hermetic connectors, high reliability electrical connection devices.
- 429
- Jai Bharat Industries
- Manufacturer of cables, fuses, gaskets, electrical contacts, connectors, flexible drive shafts, shock mounts and other custom parts as per specification.
- 432
- Aerocet Inc.
- Floats are constructed with composite materials and are fully certified for the Cessna 180, 182, 185, and 206.
- 434
- AirSport Avionics
- Manufacturer of portable altitude alerters/transponder monitors for general aviation.
- 435
- Aviation Development Corporation
- Oil filter systems, spin-on oil filters and chip detectors for light aircraft.
- 436
- Becker Avionics
- Manufacturer of radio electronics, COM, NAV, XPDR and GPS-based moving maps, for the general aviation markets. Based in Germany.