| 1 | OILC | OIL CORPORATION | | | SCAC4 |
| 2 | OILCO | OILCO KDA Skopie, R Macedonia | | BG | VKM |
| 3 | OILE | OIL EXPRESS, INC | | | SCAC3 |
| 4 | OILF | OILFIELD EXPRESS | | | SCAC3 |
| 5 | OILI | OIL TRANSPORT CO INC | | | SCAC3 |
| 6 | OILI | OHLSON INTERNATIONAL LOGISTICS INCO | | | SCAC4 |
| 7 | OILJ | ONPOINT INTERNATIONAL LLC | | | SCAC4 |
| 8 | OILL | OIL TANK LINE INC | | | SCAC3 |
| 9 | OILL | ON TIME FREIGHT LTD | | | SCAC4 |
| 10 | OILM | OIL MAN CORPORATION, THE | | | SCAC4 |
| 11 | OILO | OWENS-ILLINOIS | | | SCAC3 |
| 12 | OILQ | OIL TRANSPORT INC | | | SCAC3 |
| 13 | OILS | OIL SUPPLY CORP | | | SCAC4 |
| 14 | OILT | OIL TRANSPORT COMPANY | | | SCAC3 |
| 15 | OILT | OIL CAPITAL TRANSPORTATION LLC | | | SCAC4 |
| 16 | OILT | Oil Terminal Constanta | | RO | TRAFFIC |
| 17 | OILU | OIL2U PTY LTD | | AUS | BIC |
| 18 | OILW | OLAM INTERNATIONAL LIMITED | | | SCAC4 |
| 19 | OILX | General Electric Railcar Services Corp. | added 1/1984; 1/1994; eliminated 10/1994 | | NAKINA |
| 20 | OILX | North American Car Corp. | eliminated 1/1984 | | NAKINA |
| 21 | OILX | Transcontinental Transport, Inc. | added 10/1960; 4/1961; eliminated 7/1962 | | NAKINA |
| 22 | OILX | Oil Tank Line Co. | 7/1937-10/1957; eliminated 10/1960 | | NAKINA |
| 23 | OILX | Oil Tank Line Co. | 4/38-10/57; eliminated 10/60 | | NRHS |
| 24 | OILX | Transcontinental Transport, Inc. | added 10/60; 4/61 | | NRHS |
| 25 | OILX | General Electric Railcar Services Corp. | 1/94; eliminated 10/94 | | NRHS |
| 26 | OILX | *TRANSCONTINENTAL TRANSPORT [OIL TANK LINE CO.] | | | PWRC |
| 27 | OILX | *(NATX) GENERAL ELECTRIC RAILCAR SERVICES CORPORATION | | | PWRC |
| 28 | OILX | GE Rail Services | | | RSRV |
