| 1 | RBOX | TTX Co. | added 4/2000; 7/2000-7/2005 | | NAKINA |
| 2 | RBOX | American Rail Box Car Co. | added 10/1974; 1/1975; eliminated 7/1979 | | NAKINA |
| 3 | RBOX | Railbox Co. | added 7/1979; 1/1980-1/1994; eliminated 4/2000 | | NAKINA |
| 4 | RBOX | American Rail Box Car Co. | added 10/1974; 1/1975; eliminated 7/1979 | | NAKINA |
| 5 | RBOX | Railbox Co. | added 7/1979; 1/1980-1/1994; eliminated 4/2000 | | NAKINA |
| 6 | RBOX | TTX Co. | added 4/2000; 7/2000 | | NAKINA |
| 7 | RBOX | American Rail Box Car Co. | added 10/74; 1/75; eliminated 7/79 | | NRHS |
| 8 | RBOX | Railbox Co. | added 7/79; 1/80-1/94; eliminated 4/2000 | | NRHS |
| 9 | RBOX | TTX Co. | added 4/2000; 7/2000 | | NRHS |
| 10 | RBOX | TTX CO. [RAILBOX COMPANY] | | | PWRC |
| 11 | RBOX | Railbox (TTX Corporation) | | | RSRV |
| 12 | RBOX | AMERICAN RAIL BOX CAR COMPANY | | | SCAC3 |
| 13 | RBOX | TTX COMPANY | | | SCAC4 |
| 14 | RBOX | Railbox | | USA | TRAFFIC |