| 1 | CMT | Casement Aviation | Callsign: Casement, | USA | AVCODES |
| 2 | CMT | Casement Aviation | | | ICAO1 |
| 3 | CMT | CHICAGO MASS TRANSIT | | | PWRC |
| 4 | CMTA | CALUMET MARINE TRANSPORTATION INC, | | | SCAC3 |
| 5 | CMTA | CAMERON TRAINING CENTRE | | | SCAC4 |
| 6 | CMTB | COMMERCIAL TRANSFER SYSTEMS INC | | | SCAC3 |
| 7 | CMTC | CAPITOL MOTOR TRANSPORTATION CO, IN | | | SCAC3 |
| 8 | CMTD | COMET MESSENGER AND DELIVERY SERVIC | | | SCAC3 |
| 9 | CMTE | CREST MOLD TECHNOLGOY INC | | | SCAC4 |
| 10 | CMTI | CONSTRUCTION MATERIALS TRUCKING INC | | | SCAC3 |
| 11 | CMTI | COMETTI EXPRESS LLC | | | SCAC4 |
| 12 | CMTK | CRUM TRUCKING INC | | | SCAC4 |
| 13 | CMTL | CAN-AM MARINE TRANSIT LTD | | | SCAC3 |
| 14 | CMTN | CATSKILL MOUNTAIN RAILROAD | | | PWRC |
| 15 | CMTO | CEMENT TRANSPORT CO | | | SCAC3 |
| 16 | CMTO | CROATIA MACHINE TOOL OF CANADA LTD | | | SCAC4 |
| 17 | CMTP | Metropolitan Public Transport Company | City: Teresina | BR | TRAFFIC |
| 18 | CMTQ | COMMERCIAL TRUCKING CO | | | SCAC3 |
| 19 | CMTQ | CAMPOS TRUCKING | | | SCAC4 |
| 20 | CMTR | CARPENTER'S MOTOR TRANSPORT, INC | | | SCAC3 |
| 21 | CMTT | CMS TWO (2) TRUCKING INC | | | SCAC4 |
| 22 | CMTU | IJ-CONTAINER APS | | DK | BIC |
| 23 | CMTU | CMS CONTAINER SERVICES, INC. | | | SCAC3 |
| 24 | CMTU | IJ-CONTAINER APS | | | SCAC4 |
| 25 | CMTV | C M T | | | SCAC3 |
| 26 | CMTV | CMT TRANSPORTATION LLC | | | SCAC4 |
| 27 | CMTW | C & M TRUCKING INC OF WANATAH | | | SCAC3 |
| 28 | CMTW | COLUMBIA MACHINE TOOL OF WINDSOR IN | | | SCAC4 |
| 29 | CMTX | Compass Capital Corp. | added 4/2006 | | NAKINA |
| 30 | CMTX | N.I.K. Non-Stock Marketing Cooperative | added 1/1991; eliminated 1/1993; 1/1994 (not listed) | | NAKINA |
| 31 | CMTX | John E. Shatford, Agent | 7/1935-4/1947 | | NAKINA |
| 32 | CMTX | John E. Shatford, Agent | Apr-38 | | NRHS |
| 33 | CMTX | N.I.K. Non-Stock Marketing Cooperative | added 1/91; eliminated 1/93; 1/94 | | NRHS |
| 34 | CMTX | *JOHN E. SHATFORD, AGENT | | | PWRC |
| 35 | CMTX | *N.I.K. NON-STOCK MARKETING COOPERATIVE | | | PWRC |
| 36 | CMTX | +COMPASS CAPITAL CORP. | | | PWRC |
| 37 | CMTX | COMPASS CAPITAL CORPORATION | | | SCAC4 |
| 38 | CMTY | COMMUNITY & JOHNSON CORPORATION | | | SCAC3 |
| 39 | CMTY | Herzog Transit Services | City: Austin | USA | TRAFFIC |
