| Business | Phone |
| Honorable Ruth M French 123 W Market St, Mercer 16137 | (724) 662-5230 |
| Mercer Cnty Behavioral Health 8362 Sharon Mercer Rd, Mercer 16137 | (724) 662-1550 |
| Mercer Cnty Behavioral Health 8406 Sharon Mercer Rd, Mercer 16137 | (724) 662-1550 |
| Mercer County Bridge Dept 8425 Sharon Mercer Rd, Mercer 16137 | (724) 662-4977 |
| Mercer County Domestic 121 N Pitt St, Mercer 16137 | (724) 662-2404 |