| Business | Phone |
| Icrc Energy 1101 E Whitcomb Ave, Madison Heights 48071 | (248) 585-7530 |
| J S Mc Namara Co 32201 N Avis Dr, Madison Heights 48071 | (248) 583-1500 |
| Advanced Concepts & Tech Intl 29401 Stephenson Hwy, Madison Heights 48071 | (248) 398-9400 |
| Verstand Engineering Inc 32371 Dequindre Rd, Madison Heights 48071 | (248) 585-4500 |
| Triad Services Group Inc 1750 E Lincoln Ave, Madison Heights 48071 | (248) 588-7423 |
| Capital Ab Plan Usa 32251 N Avis Dr, Madison Heights 48071 | (248) 589-0672 |
| Rmk 31771 Sherman Ave, Madison Heights 48071 | (248) 307-1793 |
| Precision Bore Design Inc 101 W Girard Ave, Madison Heights 48071 | (248) 585-8585 |
| Diverse Technologies 31501 Stephenson Hwy, Madison Heights 48071 | (248) 585-1450 |
| Ami Engineering 32575 Industrial Dr, Madison Heights 48071 | (248) 589-2551 |
| Gonzalez Design Engineering 29401 Stephenson Hwy, Madison Heights 48071 | (248) 548-6010 |
| Edag Inc 31701 Research Park Dr, Madison Heights 48071 | (248) 588-3134 |