| 1 | VCAX | Vandadium Corp. of America | added 10/1966; 10/1966; eliminated 1/1968 | | NAKINA |
| 2 | VCAX | Foote Mineral Co. | added 1/1968 | | NAKINA |
| 3 | VCAX | Foote Mineral Co.—Vancoram Operations | eliminated 7/1968 | | NAKINA |
| 4 | VCAX | Foote Mineral Co. | added 7/1968; eliminated 4/1969 | | NAKINA |
| 5 | VCAX | Vandadium Corp. of America | added 10/66; 10/66; eliminated 1/68 | | NRHS |
| 6 | VCAX | Foote Mineral Co. | added 1/68 | | NRHS |
| 7 | VCAX | Foote Mineral Co.--Vancoram Operations | eliminated 7/68 | | NRHS |
| 8 | VCAX | Foote Mineral Co. | added 7/68; eliminated 4/69 | | NRHS |
| 9 | VCAX | FOOTE MINERAL CO. [VANADIUM CORP. OF AMERICA] | | | PWRC |