| 1 | VIPX | Vista Polymers Inc. | added 10/1984; eliminated 4/1987 | | NAKINA |
| 2 | VIPX | Vista Chemical Co. | 1/1994; eliminated 1/1998 | | NAKINA |
| 3 | VIPX | CONDEA Vista Co. | added 1/1998; eliminated 4/1998 | | NAKINA |
| 4 | VIPX | Union Tank Car Co. | added 4/1998; 7/2000-7/2005 | | NAKINA |
| 5 | VIPX | Vista Polymers Inc. | added 10/84; eliminated 4/87 | | NRHS |
| 6 | VIPX | Vista Chemical Co. | 1/94; eliminated 1/98 | | NRHS |
| 7 | VIPX | CONDEA Vista Co. | added 1/98; eliminated 4/98 | | NRHS |
| 8 | VIPX | Union Tank Car Co. | added 4/98; 7/2000 | | NRHS |
| 9 | VIPX | UNION TANK CAR COMPANY [CONDEA VISTS CO.; (VICX) VISTA POLYMERS INC.] | | | PWRC |
| 10 | VIPX | Union Tank Car | | | RSRV |
| 11 | VIPX | UNION TANK CAR COMPANY | | | SCAC4 |
