| Business | Phone |
| Adapco 9401 General Dr, Plymouth 48170 | (734) 453-2100 |
| Brower Assoc 12154 Hunters Creek Dr, Plymouth 48170 | (734) 451-2904 |
| Concept Analysis Corp 14789 Keel St, Plymouth 48170 | (734) 455-2340 |
| Duckworth & Assoc 14500 N Sheldon Rd 100, Plymouth 48170 | (734) 455-7500 |
| Conestoga-Rovers & Assoc 14496 N Sheldon Rd, Plymouth 48170 | (734) 453-5123 |
| Dietrich Bailey & Assoc Pc 107 S Main St, Plymouth 48170 | (734) 455-3111 |
| Grossman Engineering Inc 11502 Fellows Hill Dr, Plymouth 48170 | (734) 453-0432 |
| Fraunhofer Resource Ctr Mi 46025 Port St, Plymouth 48170 | (734) 354-6300 |
| Hartley & Assoc 51063 Plymouth Lake Ct, Plymouth 48170 | (734) 454-4020 |
| Fes Group Llc 44191 Plymouth Oaks Blvd 800, Plymouth 48170 | (734) 414-9500 |
| Griswold Engineering Inc 14841 Keel St, Plymouth 48170 | (734) 213-1800 |
| Hagan Consulting Svc Inc 14560 Huntington Dr, Plymouth 48170 | (734) 420-0403 |
| Jakebson & Assoc Pc 1320 Gold Smith, Plymouth 48170 | (734) 455-8000 |
| Landmark Contracting Co 40500 Ann Arbor Rd E 105, Plymouth 48170 | (734) 455-2699 |
| Mechanical Professional Svc 45550 Helm St, Plymouth 48170 | (734) 416-9933 |
| M E Engineering Conslnts Inc 1415 Gold Smith, Plymouth 48170 | (734) 454-5516 |
| P S In Inc 45749 Helm St, Plymouth 48170 | (734) 453-7900 |
| Optimal Computer Aided Engrng 14492 N Sheldon Rd, Plymouth 48170 | (734) 414-7933 |
| Munfakh & Assoc 496 W Ann Arbor Trl, Plymouth 48170 | (734) 459-7200 |
| Pragmatic Engineering 595 Forest Ave, Plymouth 48170 | (734) 207-3387 |
| Psi 45749 Helm St, Plymouth 48170 | (734) 994-3210 |
| Soil & Materials Engineers Inc 43980 Plymouth Oaks Blvd, Plymouth 48170 | (734) 454-9900 |
| Ttl Associates 44265 Plymouth Oaks Blvd, Plymouth 48170 | (734) 455-8600 |
| Strategic Engineering Sltns 47809 Galleon Dr, Plymouth 48170 | (734) 207-3637 |
| Virtual Engineering 9357 General Dr 121, Plymouth 48170 | (734) 416-3350 |
| Vrm Assoc 16370 N Haggerty Rd, Plymouth 48170 | (734) 420-4048 |