| 1 | AECX | Associated Electric Cooperative, Inc. | added 10/1994; 7/2000-7/2005 | | NAKINA |
| 2 | AECX | American Extract Co. | 7/1930-10/1957; eliminated 10/1959 | | NAKINA |
| 3 | AECX | American Extract Co. | 4/38-10/57; eliminated 10/59 | | NRHS |
| 4 | AECX | Associated Electric Cooperative, Inc. | added 10/94; 7/2000 | | NRHS |
| 5 | AECX | *AMERICAN EXTRACT CO. | | | PWRC |
| 6 | AECX | +ASSOCIATED ELECTRIC COOPERATIVE, INC. | | | PWRC |
| 7 | AECX | Associated Electric Cooperative | | | RSRV |
| 8 | AECX | ASSOCIATED ELECTRIC COOPERATIVE INC | | | SCAC4 |
| 9 | AECX | Associated Electric Cooperative, Inc. | | USA | TRAFFIC |