| 1 | CMB | U.S. Transportation Command | Callsign: Camber, Operated by Civil owned Aircraft | USA | AVCODES |
| 2 | CMB | The Cumberland R.R. Co. | 7/1923 | | NAKINA |
| 3 | CMB | The Cumberland R.R. Co. | 23-Jul | | NRHS |
| 4 | CMB | *CUMBERLAND RAILROAD CO. | | | PWRC |
| 5 | CMB | *CADY MILLS BRANCH | | | PWRC |
| 6 | CMB | China Motor Bus | | HK | TRAFFIC |
| 7 | CMB | Compagnie du Mont Blanc | | FR | VKM |
| 8 | CMBB | CAMPBELL TRUCKING, INC | | | SCAC3 |
| 9 | CMBB | CAMPBELL TRUCKING INC | | | SCAC4 |
| 10 | CMBC | CHAMBLIN, FLOYD TRUCKING | | | SCAC3 |
| 11 | CMBC | CHAMBLIN, FLOYD TRUCKING | | | SCAC4 |
| 12 | CMBD | COMBINED TRANSPORT, INC. | | | SCAC3 |
| 13 | CMBD | COMBINED TRANSPORT INC | | | SCAC4 |
| 14 | CMBE | CAMPBELL, MIKE & ASSOCIATES LTD | | | SCAC4 |
| 15 | CMBF | CUMBEE FREIGHT SYSTEMS INC | | | SCAC3 |
| 16 | CMBF | C M GLOBAL LOGISTICS | | | SCAC4 |
| 17 | CMBG | CHABOT, MARIO | | | SCAC4 |
| 18 | CMBH | CHARTER MOBILE HOMES INC | | | SCAC3 |
| 19 | CMBI | ASSOCIATED TRANSPORT LINE | | | SCAC3 |
| 20 | CMBI | CAMPBELL, MARLIN | | | SCAC4 |
| 21 | CMBJ | CMR SERVICE CO | | | SCAC3 |
| 22 | CMBJ | CAMACHOS DE BAJA CALIFORNIA | | | SCAC4 |
| 23 | CMBK | CAMACHO BROKERS INC | | | SCAC3 |
| 24 | CMBK | CAMACH | | | SCAC4 |
| 25 | CMBL | CAMPBELL COMPANY OF IDAHO INC | | | SCAC3 |
| 26 | CMBL | City of Commerce Municipal Bus Lines | City: Commerce | US-CA | TRAFFIC |
| 27 | CMBM | C&M BUILDING MATERIALS, INC | | | SCAC3 |
| 28 | CMBO | COLUMBO TRANSPORTATION LINES | | | SCAC3 |
| 29 | CMBP | CAMPBELL, RON TRANSPORT INC | | | SCAC3 |
| 30 | CMBP | CAMBRIDGE PATTERNS LTD | | | SCAC4 |
| 31 | CMBQ | COLUMBIA MARITIME CORP | | | SCAC3 |
| 32 | CMBQ | CMD LOGISTICS CORP | | | SCAC4 |
| 33 | CMBR | COMBO MARITIME INC | | | SCAC4 |
| 34 | CMBT | CAMPBELL BETON TRANSPORT INC | | | SCAC4 |
| 35 | CMBU | CMB SA | | | PWRC |
| 36 | CMBU | CMB | | | RSRV |
| 37 | CMBU | COMPAGNIE MARITIME BELGE S.A. | | | SCAC3 |
| 38 | CMBU | SAFMARINE CONTAINER LINES NV | | | SCAC4 |
| 39 | CMBV | COLEMAN-MCLAIN BUS SERVICE | | | SCAC3 |
| 40 | CMBY | CENTRAL MASS BUS CO INC | | | SCAC3 |
| 41 | CMBY | CRIMSON EXPRESS INC | | | SCAC4 |
