| Business | Phone |
| County Commissioners Office 300 N Center Ave # 500, Somerset 15501 | (814) 445-1400 |
| Honorable Eugene E Fike Ii 111 E Union St # 212, Somerset 15501 | (814) 445-1506 |
| Honorable John M Cascio 111 E Union St # 212, Somerset 15501 | (814) 445-1486 |
| Honorable Kim Gibson 111 E Union St, Somerset 15501 | (814) 445-1450 |
| Somerset Cnty Data Processing 300 N Center Ave # 330, Somerset 15501 | (814) 445-1439 |
| Somerset Commissioners 300 N Center Ave, Somerset 15501 | (814) 443-1434 |
| Somerset County 911 Addressing 100 E Union St, Somerset 15501 | (814) 445-1531 |
| Somerset County Assessment Office 300 N Center Ave # 440, Somerset 15501 | (814) 445-1536 |
| Somerset County Auditor's Office 300 N Center Ave # 310, Somerset 15501 | (814) 445-1537 |
| Somerset County Child Custody 121 E Union St # 200, Somerset 15501 | (814) 445-1538 |
| Somerset County Co-Op Ext 121 E Union St # 100, Somerset 15501 | (814) 445-8911 |
| Somerset County Common Pleas 111 E Union St # 212, Somerset 15501 | (814) 445-1473 |
| Somerset County Dist Justice 218 N Kimberly Ave # 200, Somerset 15501 | (814) 445-1535 |
| Somerset County Home Health 218 N Kimberly Ave, Somerset 15501 | (814) 445-6415 |
| Somerset County Jury Selection 124 N Center Ave # 203, Somerset 15501 | (814) 445-1497 |
| Somerset County Maintenance 300 N Center Ave # 500, Somerset 15501 | (814) 445-1448 |
| Somerset County Microfilm Dept 121 E Union St # 150, Somerset 15501 | (814) 445-1543 |
| Somerset County Planning Comm 300 N Center Ave # 540, Somerset 15501 | (814) 445-1544 |
| Somerset County Prothonotary 111 E Union St # 190, Somerset 15501 | (814) 445-1428 |
| Somerset County Purchasing 201 N Court Ave # 50, Somerset 15501 | (814) 445-1453 |
| Somerset County Recorder-Deeds 300 N Center Ave # 400, Somerset 15501 | (814) 445-1547 |
| Somerset County Register Of W 111 E Union St # 170, Somerset 15501 | (814) 445-1542 |
| Somerset County Register-Wills 111 E Union St # 170, Somerset 15501 | (814) 445-1548 |
| Somerset Domestic Relations 300 N Center Ave # 200, Somerset 15501 | (814) 445-1440 |
| Somerset Flight 93 Coordinator 109 W Main St # 104, Somerset 15501 | (814) 443-4557 |
| Somerset West Central Regional 300 N Center Ave # 340, Somerset 15501 | (814) 445-1740 |