| Business | Phone |
| Cameron Machine Ctr 560 S Mansfield St, Ypsilanti 48197 | (734) 481-0191 |
| Lenco Boring 1620 Beverly Ave, Ypsilanti 48198 | (734) 483-8880 |
| Opti Flow 1575 N Prospect Rd, Ypsilanti 48198 | (734) 482-0112 |
| Proto Tool & Gage Inc 300 S Ford Blvd, Ypsilanti 48198 | (734) 487-0830 |
| St Lawrence Boring 1160 Watson St, Ypsilanti 48198 | (734) 485-2540 |
| Spitfire Grinding 1575 N Prospect Rd, Ypsilanti 48198 | (734) 485-0901 |
| Wilco Machine & Electric 1620 Beverly Ave, Ypsilanti 48198 | (734) 480-4156 |
| Ypsilanti Boring Co 1585 Beverly Ave, Ypsilanti 48198 | (734) 487-9767 |