| Business | Phone |
| Tuning Factory Inc 24788 Crestview Ct, Farmington 48335 | (248) 477-0700 |
| Harman Becker Automotive Sys 39001 W 12 Mile Rd, Farmington 48331 | (248) 488-1305 |
| Ibiden Usa Corp 33533 W 12 Mile Rd, Farmington 48331 | (248) 848-9960 |
| Yokowo Manufacturing 27300 Haggerty Rd, Farmington 48331 | (248) 848-9472 |
| Autocomp Impex Inc 28230 Orchard Lake Rd, Farmington 48334 | (248) 855-8141 |