| source | facility | location |
| 0247080229 P080 | REPUBLIC ENGINEERED PRODUCTS, INC | LORAIN |
| 0326000073 X001 | NORTH STAR BHP STEEL L. L. C. | DELTA |
| 0370010023 P902 | AK STEEL CORPORATION | MANSFIELD |
| 0370010023 P903 | AK STEEL CORPORATION | MANSFIELD |
| 0630010005 P010 | SHIELDALLOY METALLURGICAL CORPORATION | CAMBRIDGE |
| 0630010005 P011 | SHIELDALLOY METALLURGICAL CORPORATION | CAMBRIDGE |
| 1576000613 P102 | THE TIMKEN COMPANY - STEEL PLANTS | CANTON |
| 1576000613 P258 | THE TIMKEN COMPANY - STEEL PLANTS | CANTON |
| 1576000613 P292 | THE TIMKEN COMPANY - STEEL PLANTS | CANTON |
| 1576050694 P905 | REPUBLIC ENGINEERED PRODUCTS, INC. | CANTON |
| 1576050694 P907 | REPUBLIC ENGINEERED PRODUCTS, INC. | CANTON |