| Business | Phone |
| Area Plan Commission 110 W Washington St, Hartford City 47348 | (765) 348-3884 |
| Blackford County Landfill 1025 S Willman Rd, Hartford City 47348 | (765) 348-5011 |
| Blackford County Swcd 121 N High St, Hartford City 47348 | (765) 348-1404 |
| County Highway Garage 2504 N 200 E, Hartford City 47348 | (765) 348-0306 |
| County Prosecutor 211 N High St, Hartford City 47348 | (765) 348-7231 |
| County Recorder 110 W Washington St # 10, Hartford City 47348 | (765) 348-2207 |
| County Surveyor 110 W Washington St, Hartford City 47348 | (765) 348-1203 |
| Veterans' Affairs Office 110 W Washington St, Hartford City 47348 | (765) 348-3151 |
| Purdue Extension Office 119 N High St, Hartford City 47348 | (765) 348-3213 |