| 1 | PASX | Pacer International d/b/a Pace Stacktrain | added 4/2000; 7/2000 (not listed); 7/2005 | | NAKINA |
| 2 | PASX | American Oil Co. | added 4/1957; 10/1957-10/1966; eliminated 4/1968 | | NAKINA |
| 3 | PASX | Pan-Am Southern Corp. | 1/1950-7/1954; eliminated 4/1957 | | NAKINA |
| 4 | PASX | Pan-Am Southern Corp. | 1/52; eliminated 4/57 | | NRHS |
| 5 | PASX | American Oil Co. | added 4/57; 10/57-10/66; eliminated 4/68 | | NRHS |
| 6 | PASX | Pacer International d/b/a Pace Stacktrain | added 4/2000; 7/2000 | | NRHS |
| 7 | PASX | *AMERICAN OIL CO. [PAN-AM SOUTHERN CORP.] | | | PWRC |
| 8 | PASX | *PASSUMPSIC RAILROAD | | | PWRC |
| 9 | PASX | +PACER INTERNATIONAL d/b/a PACER STACKTRAIN | | | PWRC |
| 10 | PASX | Pacer Stacktrain | | | RSRV |
| 11 | PASX | PACER INTERNATIONAL INC | | | SCAC4 |