- Bus Service, Inc.
 - Inventory of components like A/C compressors, wiper motors, water pumps, engine parts, door cylinders, and more. - Central States Bus Sales
- Offering school, commercial, and transit coach sales, parts, accessories, and service.
- Chalk's Truck Parts
- Specialises in school bus parts.
- Digicounter Produtos Eletrônicos Ltda.
- Controladores eletrônicos de fluxo de pessoas, controladores eletrônicos e estatísticos de acessos. Roletas eletrônicas
 Eastgate Coach Trimmers
- Specialise in the refurbishment of classic and modern coaches housed within three modern spacious purpose built factory units.- Midwest Transit Equipment
- Sales and service for new and used buses. Focuses on the transportation needs of childcare centres and schools.
- MKF, Inc.
- Marketing products to the transit, coach, and rail industries including driver seats, auxiliary heaters, fueling systems,automatic ether systems, and more.
- Monogram Systems
- Provides waste management products for the aircraft, railroad, and bus industries.
- Neoplan USA
- Manufactures buses. Also distributes aftermarket parts for transit and over-the-road coaches through its Neopart division.
- North American Bus Industries
- Designs, manufactures, assembles, and sells transit buses. Also specialises in O.E.M and full service parts for transit buses.
- Sartin Services Inc.
- Providing military bases all over the world with parts for a wide range of mobile vehicles. Also provides Trans/Air bus air conditioning parts, sales, and bus A/C installation services.
- Sin Kian Wah Trading Pte. Ltd.
- For buses and trucks including original or OEM parts.
- TwinVision
- Maker of LED enhanced flip-dot displays for mass transit buses.
- Universal Coach Parts
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