| 1 | SBD | Sibia Ltd. | Callsign: Sibia, | RUS | AVCODES |
| 2 | SBD | CSX Transportation, Inc. | added 7/1987; 1/1994-7/2005 | | NAKINA |
| 3 | SBD | Seaboard System R.R., Inc. | added 1/1983; eliminated 7/1987 | | NAKINA |
| 4 | SBD | Seaboard System R.R., Inc. | added 1/83; eliminated 7/87 | | NRHS |
| 5 | SBD | CSX Transportation, Inc. | added 7/87; 1/94-7/2000 | | NRHS |
| 6 | SBD | CSX TRANSPORTATION, INC. [SEABOARD SYSTEM RR] | | | PWRC |
| 7 | SBD | Seaboard System Railroad (CSX Transportation) | | | RSRV |
| 8 | SBD | Seaboard System Railroad Inc. | | USA | TRAFFIC |
| 9 | SBD | Sächsische Bau GmbH | | DE | VKM |
| 10 | SBDA | SERVICE BY DAWN | | | SCAC4 |
| 11 | SBDB | STURBRIDGE SERVICE CENTER INC | | | SCAC4 |
| 12 | SBDF | SHAW, BUDFORD TRUCKING INC | | | SCAC4 |
| 13 | SBDG | SOUTHBOUND TRUCKING | | | SCAC4 |
| 14 | SBDH | SBD REPROGRAPHICS | | | SCAC4 |
| 15 | SBDI | SANTA BARBARA SPECIAL DELIVERY, INC | | | SCAC4 |
| 16 | SBDJ | SB TRUCKING | | | SCAC4 |
| 17 | SBDK | SMITH, BRAD TRUCKING | | | SCAC4 |
| 18 | SBDM | SEABOARD MARINE LTD. | | | PWRC |
| 19 | SBDM | SEABOARD MARINE | | | SCAC4 |
| 20 | SBDN | SEABOARD TRANSPORT INC | | | SCAC4 |
| 21 | SBDQ | SHABAD TRANSPORT INC | | | SCAC4 |
| 22 | SBDR | SPANN REFRIGERATED TRANSPORT | | | SCAC4 |
| 23 | SBDT | SERVICIO BINACIONAL DE TRANSPORTE R | | | SCAC4 |
| 24 | SBDU | SAMSKIP | | | SCAC1 |
| 25 | SBDU | SAMBAND LINE | | | SCAC4 |
| 26 | SBDW | SEABRIDGE INC | | | SCAC4 |
| 27 | SBDY | STEEL TRUCKING | | | SCAC4 |
| 28 | SBDZ | CSX TRANSPORTATION, INC. [SEABOARD SYSTEM RR] | | | PWRC |
| 29 | SBDZ | Seaboard System (CSX Transportation) | | | RSRV |
| 30 | SBDZ | CSX TRANSPORTATION | | | SCAC4 |
