1 | PSOX | Puget Sound Power & Light Co. | added 1/1970; 4/1970-7/2000; eliminated 7/2002; 7/2005 (not listed) | | NAKINA |
2 | PSOX | Peerless Oil & Refining Co. | 7/1930 | | NAKINA |
3 | PSOX | Puget Sound Power & Light Co. | added 1/70; 4/70-7/2000 | | NRHS |
4 | PSOX | *PEERLESS OIL & REFINING CO. | | | PWRC |
5 | PSOX | *PUGET SOUND POWER & LIGHT CO. | | | PWRC |
6 | PSOX | Puget Sound Power and Light | | | RSRV |