| Business | Phone |
| Us Army Dept 20 North St, Caribou 4736 | (207) 498-6733 |
| Us Army Dept 59 Bennett Dr, Caribou 4736 | (207) 498-6733 |
| Us Army National Guard Armory 120 Sincock St, Caribou 4736 | (207) 498-2129 |
| Us Coast Guard 68 Green Ridge Rd, Caribou 4736 | (207) 498-2584 |