| Business | Phone |
| Textron Fastening Systems 11500 Hupp Ave, Warren 48089 | (586) 757-0250 |
| Royal Arc Inc 24780 Romano St, Warren 48091 | (586) 758-0718 |
| Company Products Inc 11350 Timken Ave, Warren 48089 | (586) 757-6160 |
| H & G Tool Co 30700 Ryan Rd, Warren 48092 | (586) 573-7040 |
| Custom Benching & Finishing Co 23314 Roseberry Ave, Warren 48089 | (586) 773-2310 |
| Rayco Welding Inc 5531 E 8 Mile Rd, Warren 48091 | (586) 549-4115 |