| Business | Phone |
| M S Consulting Engineers 37735 Enterprise Ct 100, Farmington 48331 | (248) 488-9822 |
| Manufacturing Products Inc 27690 Acorn Park Ct, Farmington 48336 | (248) 926-1530 |
| Industrial Engineering Svc 34405 W 12 Mile Rd, Farmington 48331 | (248) 489-8680 |
| Wolf Wineman Inc 30500 Northwestern Hwy 100, Farmington 48334 | (248) 855-3053 |
| Warner Cantrell & Padmos Inc 27300 Haggerty Rd, Farmington 48331 | (248) 848-1666 |
| Weber Engineering 30785 Grand River Ave, Farmington 48336 | (248) 888-0900 |
| Wilcox Professional Svc 37987 Interchange Dr, Farmington 48335 | (248) 478-3690 |
| Tensor Systems Inc 28555 Balmoral Way, Farmington 48334 | (248) 355-2881 |
| Tip Engineering Group Inc 33045 Hamilton Ct 103, Farmington 48334 | (248) 489-5522 |
| Berbiglia Associates 36400 W 12 Mile Rd, Farmington 48331 | (248) 489-3100 |
| Taweel Engineering Svc Pc 23943 Industrial Park Dr, Farmington 48335 | (248) 615-3000 |
| Summa Engineering Inc 30095 Northwestern Hwy, Farmington 48334 | (248) 932-4860 |
| Spiral Controls 31129 Sturbridge St, Farmington 48331 | (248) 591-1219 |
| Ruby & Assoc 30445 Northwestern Hwy 310, Farmington 48334 | (248) 865-8855 |
| Sanyo Energy Technical Ctr 26604 Haggerty Rd, Farmington 48331 | (248) 489-9019 |
| Scaletta Moloney Armoring 23000 Commerce Dr, Farmington 48335 | (248) 919-0063 |
| Controls Engineering Svc 34405 W 12 Mile Rd, Farmington 48331 | (248) 489-8681 |
| Panorama Engineering Inc 38345 W 10 Mile Rd 350, Farmington 48335 | (248) 474-2100 |
| O'Brien & Gere Engineers Inc 33469 W 14 Mile Rd, Farmington 48331 | (248) 661-3745 |
| Nth Consultants Ltd 38955 Hills Tech Dr, Farmington 48331 | (248) 553-6300 |
| Ikeda Engineering Corp 37484 Interchange Dr, Farmington 48335 | (248) 477-2300 |
| Eberspacher North America Inc 33533 W 12 Mile Rd, Farmington 48331 | (248) 488-0099 |