1 | PSCX | Xcel Energy | added 1/2006; eliminated 1/2008 | | NAKINA |
2 | PSCX | Public Service Co. of Colorado | added 4/1973; 1/1975-7/2000; eliminated 10/2002; 7/2005 (not listed) | | NAKINA |
3 | PSCX | Prolerized Steel Corp. | added 7/1960; 4/1961-10/1966; eliminated 10/1969 | | NAKINA |
4 | PSCX | Prolerized Steel Corp. | added 7/60; 4/61-10/66; eliminated 10/69 | | NRHS |
5 | PSCX | Public Service Co. of Colorado | added 4/73; 1/75-1/80 | | NRHS |
6 | PSCX | Public Services Co. of Colorado | 1/94-7/2000 | | NRHS |
7 | PSCX | *PROLERIZED STEEL CORP. | | | PWRC |
8 | PSCX | +XCEL ENERGY [PUBLIC SERVICE COMPANY OF COLORADO] | | | PWRC |
9 | PSCX | Public Service of Colorado | | | RSRV |
10 | PSCX | PROLERIZED STEEL CORP | | | SCAC3 |
11 | PSCX | XCEL ENERGY | | | SCAC4 |