1 | IMRX | Imperial Refineries Corp. | added 7/1955; 10/1957; eliminated 4/1959 | | NAKINA |
2 | IMRX | Central States Oil Co. | 1/1941-7/1954; eliminated 7/1955 | | NAKINA |
3 | IMRX | Imperial Refineries Co. | 7/1937-4/1938 | | NAKINA |
4 | IMRX | Imperial Refining Co. (Imperial Refineries) | 7/1932-7/1935 | | NAKINA |
5 | IMRX | Imperial Refining Co. | 8/1920-7/1930 | | NAKINA |
6 | IMRX | Imperial Refineries | Apr-38 | | NRHS |
7 | IMRX | Central States Oil Co. | 1/52; eliminated 7/55 | | NRHS |
8 | IMRX | Imperial Refineries Corp. | added 7/55; 10/57 | | NRHS |
9 | IMRX | IMPERIAL REFINERIES CORP. (CENTRAL STATES OIL CO.) | | | PWRC |