| 1 | BRIX | Union Tank Car Co. | 7/2005 | | NAKINA |
| 2 | BRIX | Incobrase Industries, Ltd. | added 4/1997; 7/2000; eliminated 1/2002 | | NAKINA |
| 3 | BRIX | Blue Rock, Inc. | added 4/1960; 4/1961; eliminated 1/1964 | | NAKINA |
| 4 | BRIX | Blue Rock, Inc. | Apr-61 | | NRHS |
| 5 | BRIX | Incobrase Industries, Ltd. | added 4/97; 7/2000 | | NRHS |
| 6 | BRIX | *BLUE ROCK, INC. | | | PWRC |
| 7 | BRIX | *INCOBRASE INDUSTRIES LIMITED | | | PWRC |
| 8 | BRIX | +UNION TANK CAR CO. | | | PWRC |
| 9 | BRIX | Incobrasa Industries (Union Tank Car) | | | RSRV |
| 10 | BRIX | UNION TANK CAR COMPANY | | | SCAC4 |
| 11 | BRIX | Incobrasa Industries Ltd. | | USA | TRAFFIC |
