| Business | Phone |
| East Nelson Twp Shed Rr 1 Box 28, Sullivan 61951 | (217) 752-6895 |
| Greenhill Cemetery E Water, Sullivan 61951 | (217) 728-8043 |
| Sullivan City Building 2 W Harrison St, Sullivan 61951 | (217) 728-4383 |
| Sullivan Civic Ctr 600 N Washington St, Sullivan 61951 | (217) 728-4541 |
| Sullivan Gas Dept Rr 3, Sullivan 61951 | (217) 728-4411 |
| Sullivan Light Plant 517 W Water St, Sullivan 61951 | (217) 728-4932 |
| Sullivan Sewage Disposal Plant Rr 1, Sullivan 61951 | (217) 728-8421 |
| Sullivan Twp Supervisor W Eden St & Market Stamp;, Sullivan 61951 | (217) 728-7727 |
| Sullivan Twp Shed Rr 3, Sullivan 61951 | (217) 728-7001 |
| Sullivan Water Pump Station Rr 3, Sullivan 61951 | (217) 728-7124 |