| 1 | CROX | Macquarie Rail Inc. | added 4/2008 | | NAKINA |
| 2 | CROX | Sylvachem Corp. | added 1/1983; eliminated 7/1983 | | NAKINA |
| 3 | CROX | SCM Corp. | added 10/1982; eliminated 1/1983 | | NAKINA |
| 4 | CROX | Crosby Chemicals, Inc. | added 1/1955; 10/1957-1/1980; eliminated 10/1982 | | NAKINA |
| 5 | CROX | Southwestern Sugar & Molasses Co. | 1/1945 | | NAKINA |
| 6 | CROX | Crude Oil Contracting Co. | 1/1943 | | NAKINA |
| 7 | CROX | Crosby Chemicals, Inc. | 10/57-1/80; eliminated 10/82 | | NRHS |
| 8 | CROX | SCM Corp. | added 10/82; eliminated 1/83 | | NRHS |
| 9 | CROX | Sylvachem Corp. | added 1/83 | | NRHS |
| 10 | CROX | *CRUDE OIL CONTRACTING CO. | | | PWRC |
| 11 | CROX | *SOUTHWESTERN SUGAR & MOLASSES CO. | | | PWRC |
| 12 | CROX | *SYLVACHEM CORPORATION [SCM CORP.; CROSBY CHEMICALS, INC.] | | | PWRC |
| 13 | CROX | +MACQUARIE RAIL INC. | | | PWRC |
| 14 | CROX | Sylvachem Corporation | | | RSRV |
| 15 | CROX | CROSBY CHEMICALS INC | | | SCAC3 |
| 16 | CROX | MACQUARIE RAIL INC | | | SCAC4 |