| 1 | OCG | Oceanogate Italia srl | | I | TRAFFIC |
| 2 | OCG | Oceanogate Italia SPA | | IT | VKM |
| 3 | OCGC | OCEAN CARGO CARRIERS INC | | | SCAC4 |
| 4 | OCGL | OCEAN CRUISE GUIDES | | | SCAC4 |
| 5 | OCGM | OLDCASTLE GLASS-MONTREAL | | | SCAC4 |
| 6 | OCGR | ORCA CREATIVE GROUP INC | | | SCAC4 |
| 7 | OCGT | O'CONNOR, GEORGE TRUCKING | | | SCAC4 |
| 8 | OCGU | TEXTAINER EQUIPMENT MANAGEMENT LIMITED | | USA | BIC |
| 9 | OCGX | Ohio Cities Gas Co. (The Pure Oil Co.) | 8/1920 | | NAKINA |
| 10 | OCGX | PURE OIL CO. [OHIO CITIES GAS CO.] | | | PWRC |
