1 | ECDX | Ethyl Corp. | added 4/2006 | | NAKINA |
2 | ECDX | Ethyl Petroleum Additives, Inc. | added 1/1985; 1/1994-7/2005; eliminated 1/2006 | | NAKINA |
3 | ECDX | Edwin Cooper, Inc. | added 4/1979; 1/1980; eliminated 1/1985 | | NAKINA |
4 | ECDX | Edwin Cooper, Inc. | added 4/79; 1/80; eliminated 1/85 | | NRHS |
5 | ECDX | Ethyl Petroleum Additives, Inc. | added 1/85; 1/94-7/2000 | | NRHS |
6 | ECDX | *EDWIN COOPER, INC. | | | PWRC |
7 | ECDX | +ETHYL CORP. [ETHYL PETROLEUM ADDITIVES, INC.] | | | PWRC |
8 | ECDX | Edwin Cooper | | | RSRV |
9 | ECDX | ETHYL PETROLEUM ADDITIVES, INC. | | | SCAC4 |