| Business | Phone |
| William F Sawyer Co 8045 Rickett Rd, Brighton 48116 | (810) 231-2323 |
| Cay Arbor Llc 10559 Citation Dr, Brighton 48116 | (517) 545-0025 |
| Dacs Tooling Inc 397 Washington St, Brighton 48116 | (810) 494-5502 |
| Packaging Engineering Llc 395 Washington St, Brighton 48116 | (810) 494-5502 |
| Matrix Engineering Inc 8830 Whitmore Lake Rd, Brighton 48116 | (810) 231-0212 |