| 1 | NSOX | Shell Canada Ltd. | added 10/1963; 7/1965-4/1970; eliminated 1/1974 | | NAKINA |
| 2 | NSOX | North Star Oil Division of Shell Oil Co. of Canada, Ltd. | added 1/1962; eliminated 10/1963 | | NAKINA |
| 3 | NSOX | North Star Oil, Ltd. | 7/1930-4/1961; eliminated 1/1962 | | NAKINA |
| 4 | NSOX | North Star Oil, Ltd. | 4/38-4/61; eliminated 1/62 | | NRHS |
| 5 | NSOX | North Star Oil Division of Shell Oil Co. of Canada, Ltd. | added 1/62 | | NRHS |
| 6 | NSOX | Shell Canada Ltd. | 7/65-4/70; eliminated 1/74 | | NRHS |
| 7 | NSOX | SHELL CANADA LTD. [NORTH STAR OIL, LTD.] | | | PWRC |
