| 1 | FKRX | The Flintkote Co. of Canada Ltd. | 4/1970; eliminated 10/1971 | | NAKINA |
| 2 | FKRX | Colas Roads, Ltd. (Flintkote Co. of Canada Ltd.) | 10/1966 | | NAKINA |
| 3 | FKRX | The Flintkote Co. of Canada Ltd. | 1/1945-7/1965 | | NAKINA |
| 4 | FKRX | Colas Roads, Ltd. | 7/1935; 4/1938-1/1943 | | NAKINA |
| 5 | FKRX | Flintkote Roads, Ltd. (Colas Roads, Ltd.) | 7/1932-7/1935 | | NAKINA |
| 6 | FKRX | Flintkote Roads, Ltd. | 7/1930 | | NAKINA |
| 7 | FKRX | Flintkote Roads, Ltd. (Colas Roads, Ltd.) | Apr-38 | | NRHS |
| 8 | FKRX | Flintkote Co. of Canada Ltd. | 1/52-7/65 | | NRHS |
| 9 | FKRX | Colas Roads, Ltd. (Flintkote Co. of Canada Ltd.) | Oct-66 | | NRHS |
| 10 | FKRX | The Flintkote Co. of Canada Ltd. | 4/70; eliminated 10/71 | | NRHS |
| 11 | FKRX | FLINTKOTE CO. OF CANADA [COLAS ROADS, LTD.; FLINTKOTE ROADS, LTD.] | | | PWRC |
| 12 | FKRX | FLINTKOTE COMPANY OF CANADA LTD | | | SCAC3 |
