| 1 | KSCX | KapStone Charleston Kraft, LLC | added 10/2008 | | NAKINA |
| 2 | KSCX | Kaiser Steel Corp. | 1/1952-7/1954; eliminated 1/1956; added 7/1966; 10/1966-1/1975; eliminated 7/1978 | | NAKINA |
| 3 | KSCX | Kentucky Solvay Coke Co. (Ashland By-Product Coke Co.) | 7/1923 | | NAKINA |
| 4 | KSCX | Kentucky Solvay Coke Co. | 8/1920 | | NAKINA |
| 5 | KSCX | Kaiser Steel Corp. | 1/52; added 7/66; 10/66-1/75; eliminated 7/78 | | NRHS |
| 6 | KSCX | *ASHLAND BY-PRODUCT COKE CO. [KENTUCKY SOLVAY COKE CO.] | | | PWRC |
| 7 | KSCX | *KAISER STEEL CO. | | | PWRC |
| 8 | KSCX | +KAPSTONE CHARLESTON KRAFT, LLC | | | PWRC |
| 9 | KSCX | KAPSTONE CHARLESTON KRAFT LLC | | | SCAC4 |
| 10 | KSCX | Kaiser Steel Corp. | | USA | TRAFFIC |
