| Business | Phone |
| Az Automotive Corp 857 Degurse Ave, Marine City 48039 | (810) 765-4036 |
| Mag Manufacturing & Engnrng 6340 King Rd, Marine City 48039 | (810) 765-6804 |
| Manter Technologies Corp 7177 Marine City Hwy, Marine City 48039 | (810) 765-8000 |
| Selective Industries Inc 6100 King Rd, Marine City 48039 | (810) 765-4666 |