1 | MVCX | Chaparral Energy, Inc. | added 10/1980; eliminated 1/1985 | | NAKINA |
2 | MVCX | Minnesota Valley Canning Co. (North Western Refrigerator Line Co.) | 7/1935 | | NAKINA |
3 | MVCX | Chaparral Energy, Inc. | added 10/80; eliminated 1/85 | | NRHS |
4 | MVCX | CHAPARRAL ENERGY, INC. | | | PWRC |
5 | MVCX | Chaparral Energy | | | RSRV |