| Business | Phone |
| Big River Realty 101 Union St, Marine City 48039 | (810) 765-4900 |
| Westrick Associates 505 West Blvd, Marine City 48039 | (810) 765-8861 |
| Exit Action Team 500 Chartier, Marine City 48039 | (810) 765-4051 |
| Exit Realty 500 Chartier, Marine City 48039 | (810) 765-8100 |
| Frank Real Estate 605 S Parker St, Marine City 48039 | (810) 765-4005 |
| J A Bachler Realtors 355 S Parker St, Marine City 48039 | (810) 765-8895 |
| Bruce Mac Gregor 6380 Plank Rd, Marine City 48039 | (810) 765-0582 |
| Newport Realty 480 S Water St, Marine City 48039 | (810) 765-3676 |