1 | DCWX | Detroit Chemical Works, Division of Pressure Vessel Service, Inc. | added 10/1969; 4/1970; eliminated 1/1975 | | NAKINA |
2 | DCWX | W.R. Grace & Co., Davison Chemical Division, Detroit Chemical Works | added 10/1963; 7/1965-10/1966; eliminated 10/1969 | | NAKINA |
3 | DCWX | Detroit Chemical Works | 7/1937-1/1941 (not listed); 1/1943-4/1961; eliminated 10/1963 | | NAKINA |
4 | DCWX | Detroit Chemical Works | 1/52-4/61 | | NRHS |
5 | DCWX | W.R. Grace & Co., Davison Chemical Division, Detroit Chemical Works | 7/65-10/66; eliminated 10/69 | | NRHS |
6 | DCWX | Detroit Chemical Works, Division of Pressure Vessel Service, Inc. | added 10/69; 4/70; eliminated 1/75 | | NRHS |
7 | DCWX | DETROIT CHEMICAL WORKS (DIV. PRESSURE VESSEL SERVICE, INC. PREVIOUSLY DIV. W.R. GRACE & CO.] | | | PWRC |