| Business | Phone |
| Meritor Wabco 2135 W Maple Rd, Troy 48084 | (248) 435-8001 |
| Tesma International Inc 1775 Research Dr, Troy 48083 | (248) 888-5550 |
| Suburban Olds Dealer Parts 1790 Maplelawn Dr, Troy 48084 | (248) 643-4964 |
| New Huvner Intl Inc 450 Robbins Dr, Troy 48083 | (248) 616-0017 |
| Dial A Trailer Hitch 1828 John R Rd, Troy 48083 | (248) 689-2832 |
| Stenod Performance Ltd 185 Elmwood Dr, Troy 48083 | (248) 307-0056 |
| Advanced Composite Specialties 1515 Axtell Dr, Troy 48084 | (248) 655-1095 |
| Auto-Cycle-Marine Performance 2921 Industrial Row Dr, Troy 48084 | (248) 280-1171 |
| Enerflex Solutions 1311 Maplelawn Dr, Troy 48084 | (248) 430-0133 |
| Hbpo North America 1050 Wilshire Dr, Troy 48084 | (248) 430-2700 |
| Ram Power 2857 Industrial Row Dr, Troy 48084 | (248) 435-7680 |