| Business | Phone |
| Olean City Public Works Dept 101 E State St, Olean 14760 | (716) 376-5650 |
| Olean Public Works 101 E State St # 206, Olean 14760 | (716) 376-5651 |
| Olean Public Works Dept 701 N Barry St, Olean 14760 | (716) 376-5692 |
| Olean Town Highway Dept 1948 Godfrey Hollow Rd, Olean 14760 | (716) 372-1060 |