| 1 | GOC | Geocuba | Callsign: Geocuba, | C | AVCODES |
| 2 | GOCD | GRAY OIL COMPANY INC | | | SCAC4 |
| 3 | GOCE | GLOVER OIL COMPANY INC | | | SCAC4 |
| 4 | GOCF | GONVICK OIL CO | | | SCAC4 |
| 5 | GOCG | GENERAL GAS CARRIER CORPORATION VII | | | SCAC4 |
| 6 | GOCJ | GOFF OIL CORP | | | SCAC4 |
| 7 | GOCM | GOC LTD | | | SCAC4 |
| 8 | GOCP | GALLAHAN OIL CO | | | SCAC4 |
| 9 | GOCR | GREAT OCEAN SHIPPING LIMITED | | | SCAC4 |
| 10 | GOCT | GANT OIL CO INC | | | SCAC4 |
| 11 | GOCU | GREENFIELD OVERSEAS CONTAINER, INC. | | | PWRC |
| 12 | GOCU | Greenfield Overseas Container | | | RSRV |
| 13 | GOCX | Chevron Phillips Chemical Co. L.P. | added 1/2001; 7/2005 | | NAKINA |
| 14 | GOCX | Chevron Chemical Co. | added 4/1996; 7/2000; eliminated 1/2001 | | NAKINA |
| 15 | GOCX | Chevron U.S.A. Inc. | 1/1994; eliminated 4/1996 | | NAKINA |
| 16 | GOCX | Gulf Refining and Marketing Co., Division of Gulf Oil Corp. | added 7/1982 | | NAKINA |
| 17 | GOCX | Gulf Oil Co.—U.S. Division of Gulf Oil Corp. | added 10/1976; 1/1980; eliminated 7/1982 | | NAKINA |
| 18 | GOCX | Gulf Oil Co.--U.S. Division of Gulf Oil Corp. | 1/80; eliminated 7/82 | | NRHS |
| 19 | GOCX | Gulf Refining and Marketing Co., Division of Gulf Oil Corp. | added 7/82 | | NRHS |
| 20 | GOCX | Chevron U.S.A. Inc. | 1/94; eliminated 4/96 | | NRHS |
| 21 | GOCX | Chevron Chemical Co. | added 4/96; 7/2000; eliminated 1/2001 | | NRHS |
| 22 | GOCX | Chevron Phillips Chemical Co. L.P. | added 1/2001 | | NRHS |
| 23 | GOCX | CHEVRON PHILLIPS CHEMICAL CO. (CHEVRON U.S.A. INC.) [GULF OIL PRODUCTS CO.] | | | PWRC |
| 24 | GOCX | Gulf Oil Products (Chevron Phillips Chemical) | | | RSRV |
| 25 | GOCX | CHEVRON PHILLIPS CHEMICAL COMPANY L | | | SCAC4 |
| 26 | GOCY | GALE OIL CO INC | | | SCAC4 |
