| 1 | CMO | KGFM Transport And Logistics (Pty) Ltd | Callsign: Camelot, | ZA | AVCODES |
| 2 | CMO | Union Pacific R.R. Co. | added 10/1995; 7/2000-7/2005 | | NAKINA |
| 3 | CMO | Chicago and North Western Ry. Co. | added 1/1995; eliminated 10/1995 | | NAKINA |
| 4 | CMO | Chicago and North Western Transportation Co. | 1/1975-1/1994; eliminated 1/1995 | | NAKINA |
| 5 | CMO | Chicago, St. Paul, Minneapolis & Omaha Ry. Co. (Chicago and North Western Ry. Co.) | 4/1961-10/1966 | | NAKINA |
| 6 | CMO | Chicago, St. Paul, Minneapolis & Omaha Ry. Co. | 4/1938-10/1957 | | NAKINA |
| 7 | CMO | Chicago, St. Paul, Minneapolis & Omaha Ry. Co. | 4/38-10/57 | | NRHS |
| 8 | CMO | Chicago, St. Paul, Minneapolis & Omaha Ry. Co. (Chicago and North Western Ry. Co.) | 4/61-10/66 | | NRHS |
| 9 | CMO | Chicago and North Western Transportation Co. | 1/75-1/94; eliminated 1/95 | | NRHS |
| 10 | CMO | Chicago and North Western Ry. Co. | added 1/95; eliminated 10/95 | | NRHS |
| 11 | CMO | Union Pacific R.R. Co. | added 10/95; 7/2000 | | NRHS |
| 12 | CMO | UP [CHICAGO & NORTH WESTERN; CHICAGO, ST. PAUL, MINNEAPOLIS & OMAHA] | | | PWRC |
| 13 | CMO | Chicago, St. Paul, Minneapolis and Omaha Railway (Union Pacific Railroad) | | | RSRV |
| 14 | CMO | Chicago, St. Paul, Minneapolis & Omaha Ry. Co. | | USA | TRAFFIC |
| 15 | CMOB | COSMOS TRANSPORTATION INC | | | SCAC3 |
| 16 | CMOC | CORLETT MOVERS AND STORAGE COMPANY | | | SCAC3 |
| 17 | CMOC | CARMEL MOUNTAIN CABINETRY | | | SCAC4 |
| 18 | CMOD | COMMODORE CARTAGE COMPANY | | | SCAC3 |
| 19 | CMOE | COMMODITY EXPRESS COMPANY | | | SCAC3 |
| 20 | CMOF | COMMODITY TRANSFER OF RUSH CITY INC | | | SCAC4 |
| 21 | CMOG | COLONIAL MOVING & STORAGE | | | SCAC3 |
| 22 | CMOH | CAMCO TRUCKING INC | | | SCAC3 |
| 23 | CMOI | COMET MOVING & STORAGE INC | | | SCAC3 |
| 24 | CMOJ | CALS MOVING INC | | | SCAC3 |
| 25 | CMOJ | COMTRAK LOGISTICS INC (BROKERAGE DI | | | SCAC4 |
| 26 | CMOK | CIMARRON TRUCKING INC | | | SCAC3 |
| 27 | CMOK | CIMARRON TRUCKING INC | | | SCAC4 |
| 28 | CMOL | COMPANION SHIPPING LTD MALTA | | | SCAC3 |
| 29 | CMOL | CLASSIC MOULDINGS INCORPORATED | | | SCAC4 |
| 30 | CMOM | COMMODITY MOTOR TRANSPORT INC | | | SCAC3 |
| 31 | CMON | COTTON MOVING AND STORAGE INC | | | SCAC3 |
| 32 | CMON | CONFIANCA MOVING | | | SCAC4 |
| 33 | CMOO | CARLS MOTOR COACH INCORPORATED | | | SCAC3 |
| 34 | CMOP | CHEMCO TRANSPORT INC | | | SCAC3 |
| 35 | CMOQ | CERTAIN MOTOR SERVICE INC | | | SCAC3 |
| 36 | CMOQ | CMAC TRANSPORT LLC | | | SCAC4 |
| 37 | CMOR | CASTLEMORE FREIGHT SYSTEMS INC | | | SCAC4 |
| 38 | CMOS | CARLSTEDT MOTOR SERVICE, INC | | | SCAC3 |
| 39 | CMOT | C & M TRUCKING | | | SCAC3 |
| 40 | CMOU | CJSC “CHEMGASSERVICE” | | RUS | BIC |
| 41 | CMOU | LLC CRYOR | | | SCAC4 |
| 42 | CMOV | COLUMBUS MOVING & SHIPPING CO INC | | | SCAC3 |
| 43 | CMOW | CENTRAL MISSOURI TRANSIT | | | SCAC3 |
| 44 | CMOW | CONTRERAS MEDINA, OMAR ALBERTO | | | SCAC4 |
| 45 | CMOY | CUT MART TRANSPORTATION COMPANY | | | SCAC3 |
| 46 | CMOZ | COUNTRY MARK COOP | | | PWRC |
