1 | GWEX | Western Division, The Dow Chemical Co. | 1/1952-7/1965; eliminated 1/1966 | | NAKINA |
2 | GWEX | Great Western Division, The Dow Chemical Co. | 1/1941-1/1950 | | NAKINA |
3 | GWEX | Great Western Electro-Chemical Co. | 7/1930-4/1938 | | NAKINA |
4 | GWEX | Great Western Electro-Chemical Co. | Apr-38 | | NRHS |
5 | GWEX | Western Division, The Dow Chemical Co. | 1/52-7/65; eliminated 1/66 | | NRHS |
6 | GWEX | WESTERN DIV., DOW CHEMICAL CO.{GREAT WESTERN ELECTRO-CHEMICAL CO.] | | | PWRC |