| 1 | COCX | Chevron Oronite Co., L.L.C. | added 1/2001; 7/2005 | | NAKINA |
| 2 | COCX | California Cotton Oil Corp. | eliminated 7/1965 | | NAKINA |
| 3 | COCX | Continental Chemical Co. | added 4/1973; 1/1975-1/1980; eliminated 4/1980 | | NAKINA |
| 4 | COCX | California Cotton Oil Co. | 7/1935-4/1961 | | NAKINA |
| 5 | COCX | Carbo Oil Co. (Rock Island Petroleum Co.) | 8/1920 | | NAKINA |
| 6 | COCX | California Cotton Oil Corp. | Apr-38 | | NRHS |
| 7 | COCX | California Cotton Oil Co. | 1/52-4/61 | | NRHS |
| 8 | COCX | California Cotton Oil Corporation | eliminated 7/65 | | NRHS |
| 9 | COCX | Continental Chemical Co. | added 4/73; 1/75-1/80; eliminated 4/80 | | NRHS |
| 10 | COCX | Chevron Oronite Co., L.L.C. | added 1/2001 | | NRHS |
| 11 | COCX | *ROCK ISLAND PETROLEUM CO. [CARBO OIL CO.] | | | PWRC |
| 12 | COCX | *CALIFORNIA COTTON OIL CORP. | | | PWRC |
| 13 | COCX | *CONTINENTAL CHEMICAL CO. | | | PWRC |
| 14 | COCX | +CHEVRON ORONITE COMPANY, LLC | | | PWRC |
| 15 | COCX | Chevron Oronite | | | RSRV |
| 16 | COCX | CHEVRON ORONITE COMPANY LLC | | | SCAC4 |