| Business | Phone |
| American Data Systems 17000 19 Mile Rd, Clinton Township 48038 | (586) 582-8400 |
| Suburban Computer Svc 44777 N Gratiot Ave, Clinton Township 48036 | (586) 465-7838 |
| Moldflow Corp 41017 Glenview Ct, Clinton Township 48038 | (586) 412-2765 |
| Hms Software Inc 20492 Kingston Dr, Clinton Township 48036 | (586) 783-1004 |
| Jrd Systems 42524 Hayes Rd, Clinton Township 48038 | (586) 416-1500 |