| 1 | MKFB | MAR-KO FREIGHT SERVICES | | | SCAC4 |
| 2 | MKFC | MEAKIN FOREST ENTERPRISES INC | | | SCAC4 |
| 3 | MKFM | MCKEE FARM TECHNOLOGIES INC | | | SCAC4 |
| 4 | MKFN | MAKS FREIGHT INC | | | SCAC4 |
| 5 | MKFP | MIDKIFF COOP | | | SCAC4 |
| 6 | MKFQ | MK FREIGHT BROKER INC | | | SCAC4 |
| 7 | MKFX | Century Rail Enterprises, Inc. | 7/2005 (not listed) | | NAKINA |
| 8 | MKFX | CENTURY RAIL ENTERPRISES, INC. | | | PWRC |
| 9 | MKFX | Century Rail Enterprises | | | RSRV |
