| 1 | WIGX | Wigeon Car Co. | added 1/1968; 4/1970-1/1980; eliminated 4/1992 | | NAKINA |
| 2 | WIGX | Western International Gas & Cylinders, Inc. | 7/2005 (not listed) | | NAKINA |
| 3 | WIGX | Wigeon Car Co. | added 1/68; 4/70-1/80; eliminated 4/92 | | NRHS |
| 4 | WIGX | *RETIRED 08-22-92 ATP (1674) [WIGEON CAR CO.] | | | PWRC |
| 5 | WIGX | +WESTERN INTERNATIONAL GAS & CYLINDERS, INC. | | | PWRC |
| 6 | WIGX | Wigeon Car | | | RSRV |
| 7 | WIGX | WESTERN INTERNATIONAL GAS & CYLINDE | | | SCAC4 |
