| Business | Phone |
| City Of Duquesne 12 S 2nd St, Duquesne 15110 | (412) 469-3770 |
| Duquesne Accounts & Finance 12 S 2nd St, Duquesne 15110 | (412) 469-0544 |
| Duquesne Building Inspector 12 S 2nd St, Duquesne 15110 | (412) 469-1166 |
| Duquesne City Pump Station Duquesne Mckeesport Bridge Ave, Duquesne 15110 | (412) 466-9411 |
| Duquesne Sewage Plant N Duquesne Ave, Duquesne 15110 | (412) 466-0574 |