| Business | Phone |
| 911 Business Office 301 S Main St 101, Hartford 42347 | (270) 298-4411 |
| Animal Shelter 1582 Country Club Ln, Hartford 42347 | (270) 298-4499 |
| Ohio County Career Ctr 130 E Washington St 105, Hartford 42347 | (270) 298-4475 |
| Ohio County Community Ctr 130 W Washington St, Hartford 42347 | (270) 298-4480 |
| Ohio County Cooperative Ex Svc 1337 Clay St, Hartford 42347 | (270) 298-7441 |
| Ohio County Emergency Medical 108 E Washington St, Hartford 42347 | (270) 298-4415 |
| Ohio County Emergency Medical 108 N Main St, Hartford 42347 | (270) 298-4415 |
| Ohio County Environmentalist 1336 Clay St, Hartford 42347 | (270) 298-7778 |
| Ohio County Property Valuation 301 S Main St, Hartford 42347 | (270) 298-4433 |
| Ohio County Senior Ctr 2300 State Route 69 N, Hartford 42347 | (270) 298-4460 |
| Ohio Finance Officer 301 S Main St, Hartford 42347 | (270) 298-4402 |