| 1 | MPMX | Marathon Corp. | 1/1945-10/1957; eliminated 4/1958 | | NAKINA |
| 2 | MPMX | Marathon, a Division of American Can Co. | added 4/1958; eliminated 7/1959 | | NAKINA |
| 3 | MPMX | Marathon Paper Mills Co. | 7/1937-1/1943 | | NAKINA |
| 4 | MPMX | Marathon Paper Mills Co. | Apr-38 | | NRHS |
| 5 | MPMX | Marathon Corp. | 1/52-10/57 | | NRHS |
| 6 | MPMX | Marathon, a Division of American Can Co. | eliminated 7/59 | | NRHS |
| 7 | MPMX | MARATHON, DIV. AMERICAN CAN CO. [MARATHON PAPER MILLS} | | | PWRC |
