| Business | Phone |
| Libra Manufacturing Co 9303 Tecumseh Clinton Hwy, Tecumseh 49286 | (517) 423-2184 |
| Havelka Machining 3700 Westgate Pl, Tecumseh 49286 | (517) 423-6031 |
| Pegasus Mold & Die Inc 415 E Russell Rd, Tecumseh 49286 | (517) 423-2009 |
| Roesch Manufacturing Co 904 Industrial Dr, Tecumseh 49286 | (517) 424-6300 |
| T & D Machine 2485 M 50, Tecumseh 49286 | (517) 423-0778 |