| source | facility | location |
| 0339010115 P002 | CENTER MANUFACTURING COMPANY | BELLEVUE |
| 0370010023 P011 | AK STEEL CORPORATION | MANSFIELD |
| 0616010039 P008 | AK STEEL-COSHOCTON WORKS | COSHOCTON |
| 0616010039 P019 | AK STEEL-COSHOCTON WORKS | COSHOCTON |
| 0616010039 P033 | AK STEEL-COSHOCTON WORKS | COSHOCTON |
| 1576010081 P012 | T&W FORGE, INC. | ALLIANCE |