| 1 | WBCX | Warren Bros. Co. | 8/1920 | | NAKINA |
| 2 | WBCX | Williams Bros. Concrete, Inc. | added 11/1973; 1/1975-1/1980; eliminated 7/1985 | | NAKINA |
| 3 | WBCX | Williams Bros., Inc. | added 7/1985; eliminated 4/1991 | | NAKINA |
| 4 | WBCX | Williams Bros. Division, Blue Circle Inc. | added 4/1991; eliminated 1/1994 | | NAKINA |
| 5 | WBCX | Blue Circle Inc. | added 1/1994; 7/2000-7/2005 | | NAKINA |
| 6 | WBCX | Williams Bros. Concrete, Inc. | added 11/73; 1/75-1/80 | | NRHS |
| 7 | WBCX | Williams Bros., Inc. | eliminated 4/91 | | NRHS |
| 8 | WBCX | Williams Bros. Division, Blue Circle Inc. | added 4/91; eliminated 1/94 | | NRHS |
| 9 | WBCX | Blue Circle Inc. | added 1/94; 7/2000 | | NRHS |
| 10 | WBCX | *WARREN BROS. CO. | | | PWRC |
| 11 | WBCX | +BLUE CIRCLE, INC. [WILLIAMS BROTHERS INC.] | | | PWRC |
| 12 | WBCX | Williams Brothers Concrete | | | RSRV |
| 13 | WBCX | BLUE CIRCLE, INC. | | | SCAC4 |
