| Business | Phone |
| Dpfh 17160 Kercheval St, Grosse Pointe 48230 | (313) 446-9900 |
| Capital Investments 17266 Mack Ave, Grosse Pointe 48230 | (313) 417-0905 |
| Punch & Judy Realty 16835 Kercheval St, Grosse Pointe 48230 | (313) 884-7360 |
| Decker Investment Corp 72 Greenbriar St, Grosse Pointe 48236 | (313) 881-9481 |
| Eagle Investment Svc Corp 20100 Mack Ave, Grosse Pointe 48236 | (313) 882-7350 |
| Ralph C Wilson Enterprises 99 Kercheval Ave, Grosse Pointe 48236 | (313) 885-1895 |