| 1 | SCST | Seaboard Transportation Co., a Wholly Owned Subsidiary of the Seaboard Coast Line R.R. Co. | 1/1994-7/2005 | | NAKINA |
| 2 | SCST | Seaboard Transportation Co., a Wholly Owned Subsidiary of the Seaboard Coast Line R.R. Co. | 1/94-7/2000 | | NRHS |
| 3 | SCST | SEABOARD TRANSPORTATION COMPANY {SEABOARD COAST LINE RAILROAD} | | | PWRC |
| 4 | SCST | Seaboard Transportation (CSX Transportation) | | | RSRV |
| 5 | SCST | SUN COAST CARRIERS INC | | | SCAC4 |
