| 1 | SROX | Savannah River Operations Office, Atomic Energy Commission | 7/1954-7/1965 | | NAKINA |
| 2 | SROX | U.S. Atomic Energy Commission, Savannah River Operations Office | 10/1966 | | NAKINA |
| 3 | SROX | Savannah River Operations Office, Atomic Energy Commission | 4/1970-1/1975 | | NAKINA |
| 4 | SROX | United States Energy Research and Development Administration, Savannah River Operations Office | added 4/1975; eliminated 1/1978 | | NAKINA |
| 5 | SROX | U.S. Department of Energy, Savannah River Operations Office | added 1/1978; 1/1980; eliminated 1/1991 | | NAKINA |
| 6 | SROX | U.S. Department of Energy, Savannah River Operations | 7/2005 (not listed) | | NAKINA |
| 7 | SROX | Savannah River Operations Office, Atomic Energy Commission | 10/57-7/65 | | NRHS |
| 8 | SROX | U.S. Atomic Energy Commission, Savannah River Operations Office | Oct-66 | | NRHS |
| 9 | SROX | Savannah River Operations Office, Atomic Energy Commission | 4/70-1/75 | | NRHS |
| 10 | SROX | United States Energy Research and Development Administration, Savannah River Operations Office | added 4/75; eliminated 1/78 | | NRHS |
| 11 | SROX | U.S. Department of Energy, Savannah River Operations Office | added 1/78; 1/80; eliminated 1/91 | | NRHS |
| 12 | SROX | *SHERADON RAIL OPERATIONS, INC. | | | PWRC |
| 13 | SROX | +U.S. DEPT. OF ENERGY, SAVANNAH RIVER OPERATIONS | | | PWRC |
| 14 | SROX | United States Department of Energy Savannah River Operations Office | | | RSRV |
| 15 | SROX | US DEPARTMENT OF ENERGY SAVANNAH RI | | | SCAC4 |
| 16 | SROX | U.S. Department of Energy, Savannah River Operations Office | | USA | TRAFFIC |