| Business | Phone |
| City Garage 317 S Broad St, Sullivan 47882 | (812) 268-5483 |
| Hamilton Assessor's Office 100 Court House Sq # 204, Sullivan 47882 | (812) 268-6790 |
| Hamilton Trustee 2079 E County Road 300 N, Sullivan 47882 | (812) 268-4674 |
| Sullivan City Maintenance Ofc 200 N Court St, Sullivan 47882 | (812) 268-5819 |
| Sullivan Sewer Dept 32 N Court St, Sullivan 47882 | (812) 268-6591 |