| Location | Address | Mailing Address | Phone # |
|---|
| Main Office | 1807 Shenango Road
New Galilee, PA 16141 | 1807 Shenango Road
New Galilee, PA 16141 | (724) 336-1400 |
| Carroll County Regional Office | 4161 Canton Road N.W.
Carrollton , OH 44615 | 4161 Canton Road N.W.
Carrollton, OH 44615 | (330) 402-8015 |
| Wheeling Regional Office | 5493 National Road
Tridelphia, WV 26059 | 5493 National Road
Tridelphia, WV 26059 | (304) 909-0049 |
| Homer City Plant | 1981 Route 119 Highway South
Homer City, PA 15748 | 1981 Route 119 Highway South
Homer City, PA 15748 | (724) 336-1492 |
| Koppel Plant | 1811 Shenango Road
New Galilee, PA 16141 | 1811 Shenango Road
New Galilee, PA 16141 | (724) 200-0009 |
| Neville Island Plant | 4500 Neville Road
Pittsburgh, PA 15225 | 4500 Neville Road
Pittsburgh, PA 15225 | (412) 264-6933 |
| Neville Terminal | 200 Neville Road
Pittsburgh, PA 15225 | 200 Neville Road
Pittsburgh, PA 15225 | (412) 771-2465 |
| New Kensington Plant | 201 Industrial Blvd
New Kensington, PA 15068 | 201 Industrial Blvd
New Kensington, PA 15068 | (724) 336-1491 |
| Second Avenue Plant | 2340 Second Avenue
Pittsburgh, PA 15219 | 2340 Second Avenue
Pittsburgh, PA 15219 | (412) 281-4389 |
| Zelienople Plant | 158 Lindsey Road
Zelienople, PA 16063 | 158 Lindsey Road
Zelienople, PA 16063 | (724) 336-1490 |
| North Lima - Regional Office | 11822 South Avenue
North Lima, OH 44452 | 11822 South Avenue
North Lima, OH 44452 | (330) 531-1364 |