| Business | Phone |
| Theresa Municipal Office 124 Commercial St, Theresa 13691 | (315) 628-4425 |
| Theresa Town Barn 324 Mill St, Theresa 13691 | (315) 628-4452 |
| Theresa Town Office 215 Riverside Ave, Theresa 13691 | (315) 628-5046 |
| Theresa Transfer Site Route 411, Theresa 13691 | (315) 628-4108 |
| Theresa Village Garage Commercial St, Theresa 13691 | (315) 628-5812 |