| Business | Phone |
| Kupreanof City Office Po Box 50, Petersburg 99833 | (907) 772-2400 |
| Petersburg Ambulance Petersburg 99833 | (907) 000-1111 |
| Petersburg Baler Facility 1361 Reservior Rd, Petersburg 99833 | (907) 772-3228 |
| Petersburg Building Official 303 S 2nd St, Petersburg 99833 | (907) 772-4533 |
| Petersburg City Power Plant 11 S Nordic Dr, Petersburg 99833 | (907) 772-4621 |
| Petersburg City Waste Water 1404 N 14th St, Petersburg 99833 | (907) 772-3787 |
| Petersburg City Water Trtmnt 1401 Reservior Rd, Petersburg 99833 | (907) 772-4760 |
| Petersburg Community Develop Petersburg 99833 | (907) 772-4532 |
| Petersburg Electric Supt 11 S Nordic Dr, Petersburg 99833 | (907) 772-4203 |
| Petersburg Harbor Master 223 Harbor Way, Petersburg 99833 | (907) 772-4688 |