| 1 | ZRNX | Erie City Energy Division, Zurn Industries, Inc. | added 1/1972; 1/1975-1/1980; eliminated 5/1983; 1/1994-7/2005 (not listed) | | NAKINA |
| 2 | ZRNX | Erie City Energy Division, Zurn Industries, Inc. | added 1/72; 1/75-1/80; eliminated 5/83; 1/94-7/2000 | | NRHS |
| 3 | ZRNX | ERIE CITY ENERGY DIV., ZURN INDUSTRIES INC | | | PWRC |
| 4 | ZRNX | Zurn Industries Erie City Energy Division | | | RSRV |
| 5 | ZRNX | ERIE CITY ENERGY DIVN-ZURN INDUSTRI | | | SCAC4 |
