- Auto Meter Products
 - Sycamore - Manufactures high performance instruments for race cars, hot rods, trucks, motorcycles, and more. - Car-X Auto Service
- Chicago - National auto repair franchise offering muffler and brakes repair, tires, shock absorbers, wheel alignment, and other auto maintenance services.
- Foreign Car Rebuilding (FCR)
- Palatine - Automotive machine shop specializing in engine repair and rebuilding.
- Merlin's Muffler & Brake
- Geneva - Sells and installs a complete line of undercar parts and services, with locations in multiple states; franchise opportunities available.
- Moody's
- Rolling Meadows - Specializing solely in Hot Rod and custom car interiors.
- National Auto Glass
- Elmwood Park - New and used auto glass and upholstery for cars, trucks and heavy equipment. Complete auto upholstery. Also works on convertible tops, headliners, window tinting, sunroofs, and more.
- Reman Engines
- Lockport - Rebuilds, remanufactures, repairs and installs short and long block engines and engine cylinder heads; also sells new and remanufactured engines for automobiles, boats, trucks, vans and motorhomes.
- Stevenson Auto Repair
- Kankakee - Full-service shop.
- Stowe Auto Body
- Lockport - Specializes in collision work and classic car restorations.
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