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 Administration | |
| Armstrong County | |
| Butler County | |
| Clarion County | |
| Community Relations Office | |
| Construction | |
| Design | |
| District Executive | |
| Indiana County | |
| Jefferson County | |
| Maintenance | |
 Municipal Services | |
| Municipal Services | |
| | Allen Williams, Municipal Services Manager | (724) 357-7986 | |
| | James A. Schepis, Municipal Services Specialist | (724) 357-2943 | |
| | John G. Poproch, Municipal Services Specialist | (724) 357-2878 | |
| | Richard J. Knapko, Municipal Services Specialist | (724) 357-2846 | |
| Permits | |
| Traffic | |