| 1 | CSCX | Coal Supply Corp. | added 10/1990; 1/1994-7/2005 | | NAKINA |
| 2 | CSCX | Oglebay Norton Co. | added 4/1982; eliminated 4/1989 | | NAKINA |
| 3 | CSCX | Central Silica Co. | added 10/1970; 1/1975-1/1980; eliminated 4/1982 | | NAKINA |
| 4 | CSCX | Hewitt Transportation Co. | 4/1938 | | NAKINA |
| 5 | CSCX | The Cincinnati Soap Co. (Hewitt Transportation Co.) | 7/1937 | | NAKINA |
| 6 | CSCX | The Cincinnati Soap Co. | 7/1935 | | NAKINA |
| 7 | CSCX | The Cincinnati Soap Co. (Hewitt Transportation Co.) | Apr-38 | | NRHS |
| 8 | CSCX | Central Silica Co. | added 10/70; 1/75-1/80; eliminated 4/82 | | NRHS |
| 9 | CSCX | Oglebay Norton Co. | added 4/82; eliminated 4/89 | | NRHS |
| 10 | CSCX | Coal Supply Corp. | added 10/90; 1/94-7/2000 | | NRHS |
| 11 | CSCX | *HEWITT TRANSPORTATION {CINCINNATI SOAP CO.} | | | PWRC |
| 12 | CSCX | *OGLEBAY NORTON CO. {CENTRAL SILICA CO.} | | | PWRC |
| 13 | CSCX | *CITISTEEL CORP. | | | PWRC |
| 14 | CSCX | +COAL SUPPLY CORPORATION | | | PWRC |
| 15 | CSCX | Coal Supply Corporation | | | RSRV |
| 16 | CSCX | COAL SUPPLY CORPORATION | | | SCAC4 |