1 | OPPX | Omaha Public Power District | added 7/1994; 7/2000-7/2005 | | NAKINA |
2 | OPPX | Oppenheimer Casing Co. | 7/1932 | | NAKINA |
3 | OPPX | Oppenheimer Casing Co. (Union Refrigerator Transit Co.) | 7/1935 | | NAKINA |
4 | OPPX | Omaha Public Power District | added 7/94; 7/2000 | | NRHS |
5 | OPPX | *OPPENHEIMER CASING CO. | | | PWRC |
6 | OPPX | +OMAHA PUBLIC POWER DISTRICT | | | PWRC |
7 | OPPX | Omaha Public Power District | | | RSRV |
8 | OPPX | OMAHA PUBLIC POWER DISTRICT | | | SCAC4 |