| 1 | KCWB | Kansas City Westport Belt | 1/1975-1/1980 | | NAKINA |
| 2 | KCWB | Kansas City Westport Belt | 1/75-1/80 | | NRHS |
| 3 | KCWB | KANSAS CITY WESTPORT BELT | | | PWRC |
| 4 | KCWB | Kansas City Westport Belt | | | RSRV |
| 5 | KCWT | KILMER, C W TRUCKING | | | SCAC3 |
| 6 | KCWW | KORAK CUSTOM WOODWORKING | | | SCAC4 |
| 7 | KCWX | Kimberly-Clark of Canada Ltd. | added 7/1977; 1/1980; eliminated 1/1994; 1/1994-7/2005 (not listed) | | NAKINA |
| 8 | KCWX | Kimberly-Clark of Canada Ltd. | added 7/77; 1/80; eliminated 1/94; 7/2000 | | NRHS |
| 9 | KCWX | KIMBERLY-CLARK OF CANADA LTD | | | PWRC |
| 10 | KCWX | Kimberly-Clark of Canada | | | RSRV |