| Business | Phone |
| Henes Building 2270 Melbourne Ave, Dexter 48130 | (734) 426-3891 |
| Mactec Engineering/Consulting 8420 Strawberry Lake Rd, Dexter 48130 | (734) 426-0060 |
| Team Consulting Inc 5563 Crest Ct, Dexter 48130 | (734) 426-0983 |
| Sierra Technical Svc 3205 Broad St, Dexter 48130 | (734) 426-3300 |
| Xenopus-I Inc 5654 Merkel Rd, Dexter 48130 | (734) 426-2083 |