| Business | Phone |
| Healthcare Valuation Group 1064 Vernier Rd, Grosse Pointe 48236 | (313) 882-4191 |
| Isec Inc 268 Ridgemont Rd, Grosse Pointe 48236 | (313) 647-0559 |
| Iss Systems 1992 Oxford Rd, Grosse Pointe 48236 | (313) 886-6504 |
| Stitchcraft 1961 Hawthorne Rd, Grosse Pointe 48236 | (313) 881-7367 |