| 1 | OMX | National Car Co. | eliminated 1/1963 | | NAKINA |
| 2 | OMX | Fruit Growers Express Co. | 10/1957-4/1961 | | NAKINA |
| 3 | OMX | National Car Co. | 1/1950-7/1954 | | NAKINA |
| 4 | OMX | National Car Co. | Jan-52 | | NRHS |
| 5 | OMX | Fruit Growers Express Co. | 10/57-4/61 | | NRHS |
| 6 | OMX | OSCAR MAYER & CO. (NCCO [FRUIT GROWERS EXPRESS]) | | | PWRC |
| 7 | OMXC | OMARS TRANSPORT LLC | | | SCAC4 |
| 8 | OMXP | ORLEANS MOTOR EXPRESS, INC | | | SCAC3 |
| 9 | OMXT | OLLA MESSA TRANSPORT INC | | | SCAC4 |
| 10 | OMXU | OLAM ENERGY SA DE CV. | | MEX | BIC |
