| Business | Phone |
| Trumbull Taxpayers Assn Inc Po Box 52, Trumbull 6611 | (203) 261-6050 |
| Connecticut Education Assn 799 Silver Ln, Trumbull 6611 | (203) 378-2101 |
| Fairfield County Medical Assn 12 Cambridge Dr, Trumbull 6611 | (203) 372-4543 |
| Oronoque Plaza Assn 104 Garwood Rd, Trumbull 6611 | (203) 452-9509 |
| Nichols Improvement Assn 1773 Huntington Tpke, Trumbull 6611 | (203) 375-3611 |