1 | UCCX | Utah Copper Corp. | 7/1937 (not listed) | | NAKINA |
2 | UCCX | United Contracting Co. | 4/1947-4/1961 (not listed) | | NAKINA |
3 | UCCX | Union Carbide Canada Ltd. | added 10/1969; 4/1970-1/1980; eliminated 1/1985; 1/1994-7/2005 (not listed) | | NAKINA |
4 | UCCX | United Contracting Co. | 1/52-4/61 | | NRHS |
5 | UCCX | Union Carbide Canada Ltd. | added 10/69; 4/70-1/80; eliminated 1/85; 1/94-7/2000 | | NRHS |
6 | UCCX | *UTAH COPPER CORP. | | | PWRC |
7 | UCCX | *UNITED CONTRACTING CO. | | | PWRC |
8 | UCCX | +UNION CARBIDE CANADA, LTD. | | | PWRC |
9 | UCCX | Union Carbide Canada | | | RSRV |
10 | UCCX | UNION CARBIDE CORP. OF CANADA | | | SCAC4 |