| Business | Phone |
| Simco 1 Demille Rd, Lapeer 48446 | (810) 245-7382 |
| Contex Inc 1112 S Lapeer Rd, Lapeer 48446 | (810) 245-1949 |
| Davis Land Surveying & Engnrng 415 W Nepessing St, Lapeer 48446 | (810) 667-6789 |
| Nu-Tech & Engineering Inc 1 Demille Rd, Lapeer 48446 | (810) 667-1560 |