| 1 | OCC | Occidental Airlines | | LB | AVCODES |
| 2 | OCC | German Forces Operations Control | | D | AVCODES |
| 3 | OCCC | O C C INC | | | SCAC3 |
| 4 | OCCC | OCEAN CARGO CARRIERS CO LLC | | | SCAC4 |
| 5 | OCCD | OCCIDENTAL SERVICES CORP | | | SCAC3 |
| 6 | OCCE | OCONNERS EXPRESS | | | SCAC3 |
| 7 | OCCE | OCONNERS EXPRESS INC | | | SCAC4 |
| 8 | OCCF | OKLAHOMA CUSTOM COURIER LLC | | | SCAC4 |
| 9 | OCCH | OVERLAND COACH INC | | | SCAC3 |
| 10 | OCCH | ON TIME MESSENGER SERVICE INC | | | SCAC4 |
| 11 | OCCI | OCCIDENTAL CARRIERS S.A. | | | SCAC3 |
| 12 | OCCI | OCCIDENTAL E N E | | | SCAC4 |
| 13 | OCCL | ORANGE COUNTY CONTAINER GROUP LLC | | | SCAC4 |
| 14 | OCCP | OLYMPIC CARRIER CORPORATION | | | SCAC3 |
| 15 | OCCP | OCEAN STAR INTERNATIONAL LOGISTICS | | | SCAC4 |
| 16 | OCCQ | OCEANIA CRUISES INC | | | SCAC4 |
| 17 | OCCR | OCEANSTAR CORPORATION | | | SCAC3 |
| 18 | OCCR | OCEAN CERAMICS LTD | | | SCAC4 |
| 19 | OCCS | OCEANIC SHIPPING CORP MONTREAUX SW | | | SCAC4 |
| 20 | OCCT | OCCIDENTAL TRANSPORTATION CO LTD | | | SCAC3 |
| 21 | OCCU | ORANGE CONTAINER LINE B.V. | | NL | BIC |
| 22 | OCCU | ATS CONTAINER LEASING S.A. | | | PWRC |
| 23 | OCCU | ATS Container Leasing SA | | | RSRV |
| 24 | OCCU | ORBIS CONTAINER SERVICE CORP., A.G. | | | SCAC3 |
| 25 | OCCV | ON CUSTOMS COURIER SERVICE INC | | | SCAC4 |
| 26 | OCCX | Occidental Chemical Corp. | added 1/1992; 1/1994-7/2005 | | NAKINA |
| 27 | OCCX | Occidental Chemical Corp. Agricultural Products | added 4/1989; eliminated 1/1992 | | NAKINA |
| 28 | OCCX | Occidental Chemical Corp. Agricultural Products Group | added 7/1988; eliminated 4/1989 | | NAKINA |
| 29 | OCCX | Occidental Chemical Agricultural Products, Inc. | added 1/1983; eliminated 7/1988 | | NAKINA |
| 30 | OCCX | Occidental Chemical Co. | added 4/1981; eliminated 1/1983 | | NAKINA |
| 31 | OCCX | Occidental Chemical Co. | added 4/81; eliminated 1/83 | | NRHS |
| 32 | OCCX | Occidental Chemical Agricultural Products, Inc. | added 1/83; eliminated 7/88 | | NRHS |
| 33 | OCCX | Occidental Chemical Corp. Agricultural Products Group | added 7/88; eliminated 4/89 | | NRHS |
| 34 | OCCX | Occidental Chemical Corp. Agricultural Products | added 4/89; eliminated 1/92 | | NRHS |
| 35 | OCCX | Occidental Chemical Corp. | added 1/92; 1/94-7/2000 | | NRHS |
| 36 | OCCX | OCCIDENTAL CHEMICAL CORP., AGRICULTURAL PRODUCTS | | | PWRC |
| 37 | OCCX | Occidental Chemical | | | RSRV |
| 38 | OCCX | OCCIDENTAL CHEMICAL CORPORATION | | | SCAC4 |
| 39 | OCCZ | OCCIDENTAL CHEMICAL CORP. | | | PWRC |
