| Business | Phone |
| Algonac Education Assoc 9541 Phelps Rd, Algonac 48001 | (810) 794-7170 |
| Great Lakes Seamen Appeals Bd 520 Saint Clair River Dr, Algonac 48001 | (810) 794-7144 |
| Seafarer's International Union 520 Saint Clair River Dr, Algonac 48001 | (810) 794-4988 |