1 | WPPX | West Penn Power Co. | 8/1920-7/1930 | | NAKINA |
2 | WPPX | WestPoint Pepperell, Inc. | added 1/1978; 1/1980; eliminated 4/1982 | | NAKINA |
3 | WPPX | WestPoint Pepperell, Inc. | added 1/78; 1/80; eliminated 4/82 | | NRHS |
4 | WPPX | *WEST PENN POWER CO. | | | PWRC |
5 | WPPX | *WESTPOINT PEPPERELL, INC. | | | PWRC |