| 1 | RKCX | Knox Kershaw, Inc. | added 1/1984; eliminated 4/1985; 1/1994-7/2005 (not listed) | | NAKINA |
| 2 | RKCX | Royce Kershaw Co., Inc. | eliminated 1/1984 | | NAKINA |
| 3 | RKCX | Knox Kershaw Co., Inc. | added 1/1969; 4/1970-1/1980 | | NAKINA |
| 4 | RKCX | Knox Kershaw Co., Inc. | added 1/69; 4/70-1/80; eliminated 4/85; 1/94-7/2000 | | NRHS |
| 5 | RKCX | *KNOX KERSHAW INC (ROYCE KERSHAW CO., INC.) | | | PWRC |
| 6 | RKCX | Knox Kershaw | | | RSRV |
| 7 | RKCX | KNOX KERSHAW INC | | | SCAC4 |
