| Business | Phone |
| Hoffman Machinery Corp 18038 Mack Ave, Grosse Pointe 48230 | (313) 642-1100 |
| Cobane Corp 19640 Harper Ave, Grosse Pointe 48236 | (313) 344-0208 |
| John S Richardson Inc 327 Lake Shore Rd, Grosse Pointe 48236 | (313) 882-8844 |
| Odyssey Supply Co 55 Stephens Rd, Grosse Pointe 48236 | (313) 882-8050 |