| 1 | KCCX | Kennecott Utah Copper Corp. | added 4/1991; 1/1994-7/2005 | | NAKINA |
| 2 | KCCX | Kennecott Corp. | added 4/1981; eliminated 4/1991 | | NAKINA |
| 3 | KCCX | Kennecott Copper Corp. | added 4/1970; 4/1970-1/1980; eliminated 4/1981 | | NAKINA |
| 4 | KCCX | Kimberly-Clark Co. | 7/1937-4/1961 | | NAKINA |
| 5 | KCCX | Kimberly-Clark Corp. | 7/1930-7/1935 | | NAKINA |
| 6 | KCCX | Kimberly-Clark Co. | 4/38-4/61 | | NRHS |
| 7 | KCCX | Kennecott Copper Corp. | added 4/70; 4/70-1/80; eliminated 4/81 | | NRHS |
| 8 | KCCX | Kennecott Corp. | added 4/81; eliminated 4/91 | | NRHS |
| 9 | KCCX | Kennecott Utah Copper Corp. | added 4/91; 1/94-7/2000 | | NRHS |
| 10 | KCCX | *KIMBERLY-CLARK CO. | | | PWRC |
| 11 | KCCX | +KENNECOTT UTAH COPPER CORPORATION | | | PWRC |
| 12 | KCCX | Kennecott Utah Copper Corporation | | | RSRV |
| 13 | KCCX | KENNECOTT UTAH COPPER CORPORATION | | | SCAC4 |
| 14 | KCCX | Kennecott Copper Corp. | | USA | TRAFFIC |