| Business | Phone |
| Cheswick Boro Office 220 S Atlantic Ave, Cheswick 15024 | (724) 274-5125 |
| Cheswick Pump House 220 S Atlantic Ave, Cheswick 15024 | (724) 274-4776 |
| Harmar Twp Filtering Plant Couch Aly, Cheswick 15024 | (724) 274-6633 |
| Harmar Twp Municipal Office 701 Freeport Rd, Cheswick 15024 | (724) 274-4550 |
| Township Garage 841 Russellton Rd, Cheswick 15024 | (724) 274-4553 |
| West Deer Twp Building Inspctr 109 E Union Rd, Cheswick 15024 | (724) 265-2780 |
| West Deer Twp General Office 109 E Union Rd, Cheswick 15024 | (724) 265-3680 |