| 1 | APEX | Apex Tank Car Line | added 1/1961; 4/1961-7/2000; eliminated 7/2003 | | NAKINA |
| 2 | APEX | Apex Oil Co. | eliminated 7/1960 | | NAKINA |
| 3 | APEX | Apex Oil Co. (Chas. W. Mintz) | 7/1937-10/1957 | | NAKINA |
| 4 | APEX | Atlantic Petroleum Corp. | 8/1920 | | NAKINA |
| 5 | APEX | Apex Oil Co. | Apr-38 | | NRHS |
| 6 | APEX | Apex Oil Co. (Chas. W. Mintz) | 1/52-10/57 | | NRHS |
| 7 | APEX | Apex Oil Co. | eliminated 7/60 | | NRHS |
| 8 | APEX | *ATLANTIC PETROLEUM CORP. | | | PWRC |
| 9 | APEX | *APEX TANK CAR LINE {APEX OIL CO. (CHAS. W. MINTZ)] | | | PWRC |
| 10 | APEX | Apex Tank Car Line | | | RSRV |
| 11 | APEX | APEX TANK CAR LINE | | | SCAC3 |