1 | ENCX | En Erco International, Inc. | added 7/1971; 1/1975-1/1980; eliminated 5/1983; 1/1994 (not listed) | | NAKINA |
2 | ENCX | En Erco International, Inc. | 1/75-1/80; eliminated 5/83; 1/94 | | NRHS |
3 | ENCX | EN ERCO INTERNATIONAL INC | | | PWRC |
4 | ENCX | EN ERCO International | | | RSRV |