| 1 | WOB | Burlington Northern Inc. | added 10/1975; eliminated 1/1978; 1/1980 | | NAKINA |
| 2 | WOB | Burlington Northern Inc. | eliminated 1/78; 1/80 | | NRHS |
| 3 | WOB | BURLINGTON NORTHERN INC | | | PWRC |
| 4 | WOBD | WOLDING, H O INC | | | SCAC4 |
| 5 | WOBT | WRIGHT OIL INC | | | SCAC4 |
| 6 | WOBX | Western Oil & Burner Co. | 1/1945 | | NAKINA |
| 7 | WOBX | Western Oil Burner Co. | 1/1946 | | NAKINA |
| 8 | WOBX | Western Oil & Burner Co. | 4/1947 | | NAKINA |
| 9 | WOBX | Western Fruit Express Co. | 1/1952-1/1975; eliminated 1/1979 | | NAKINA |
| 10 | WOBX | Western Fruit Express Co. | 1/52-1/75; eliminated 1/79 | | NRHS |
| 11 | WOBX | *WESTERN OIL & BURNER CO. | | | PWRC |
| 12 | WOBX | *BURLINGTON NORTHERN RAILROAD CO [WESTERN FRUIT EXPRESS CO.] | | | PWRC |
