| Business | Phone |
| First Management 15005 E Jefferson Ave, Grosse Pointe 48230 | (313) 824-8500 |
| O'Grady Properties 760 Grand Marais St, Grosse Pointe 48230 | (313) 822-0258 |
| Dakale Group Llc 19251 Mack Ave, Grosse Pointe 48236 | (313) 886-9162 |
| Russell-Knopf Development 130 Kercheval Ave 200, Grosse Pointe 48236 | (313) 882-9300 |
| South Bay Industries Llc 19650 Harper Ave, Grosse Pointe 48236 | (313) 882-8090 |