| Business | Phone |
| County Garage 7670 Greenville Celina Rd, Greenville 45331 | (937) 548-1915 |
| Darke County 911 Coordinator 5185 County Home Rd, Greenville 45331 | (937) 547-3911 |
| Darke County Adult Daycare 5105 County Home Rd, Greenville 45331 | (937) 548-8017 |
| Darke County Adult Svc Dept 300 Garst Ave, Greenville 45331 | (937) 548-4132 |
| Darke County Auto Title Dept 540 S Broadway St, Greenville 45331 | (937) 547-7320 |
| Darke County Board Of Election 300 Garst Ave, Greenville 45331 | (937) 548-1835 |
| Darke County Building Rgstrtn 520 S Broadway St, Greenville 45331 | (937) 547-7379 |
| Darke County Casa 300 Garst Ave, Greenville 45331 | (937) 547-9091 |
| Darke County Commissioners 520 S Broadway St, Greenville 45331 | (937) 547-7370 |
| Darke County Commissioners Office 520 N Broadway St, Greenville 45331 | (937) 547-7300 |
| Darke County Engineer's Office 504 S Broadway St, Greenville 45331 | (937) 547-7375 |
| Darke County Home 5105 County Home Rd, Greenville 45331 | (937) 548-2710 |
| Darke County Human Resources 631 Wagner Ave, Greenville 45331 | (937) 548-3840 |
| Darke County Recorder 504 N Broadway St, Greenville 45331 | (937) 547-7390 |
| Darke County Resourceline Greenville 45331 | (937) 548-3891 |
| Darke County Soil & Water 117 Southtowne Ct, Greenville 45331 | (937) 548-1752 |
| Darke County Treasurer's Office 504 S Broadway St, Greenville 45331 | (937) 547-7365 |
| Darke County Veterans Svc Office 520 S Broadway St, Greenville 45331 | (937) 547-7398 |
| Darke Metropolitan Housing 1469 Sweitzer St, Greenville 45331 | (937) 548-5380 |
| Ditch Maintenance Office 7666 Greenville Celina Rd, Greenville 45331 | (937) 548-3445 |
| Dog Warden-Pound 5066 County Home Rd, Greenville 45331 | (937) 547-1645 |
| Extension Service-Home Econ 603 Wagner Ave, Greenville 45331 | (937) 548-5215 |
| Grants Office 520 S Broadway St, Greenville 45331 | (937) 547-7368 |
| Michael Home 1115 E Main St, Greenville 45331 | (937) 548-6838 |
| Microfilm Dep Greenville Cnty 115 W 4th St # 2, Greenville 45331 | (937) 547-7393 |
| Workforce Employment & Trning 603 Wagner Ave, Greenville 45331 | (937) 548-0090 |