Mercer County
| Commissioners | Phone | |
| Greg Puckett | (304) 487-8308 | |
| Gene Buckner | (304) 487-8309 | |
| William R. "Bill" Archer | (304) 487-8310 | |
| Assessor | ||
| Sharon Gearheart | (304) 487-8397 | |
| Circuit Clerk | ||
| Julie Ball | (304) 487-8371 | |
| County Clerk | ||
| Verlin T. Moye | (304) 487-8466 | |
| Prosecuting Attorney | ||
| George Stitler | (304) 487-8340 | |
| Sheriff | ||
| Tommy "T. A." Bailey | (304) 487-8303 | |
| Administrator | ||
| Vicky Reed | (304) 487-8310 | |