| 1 | CMU | Northern Aviation Service Co. Ltd. | Callsign: Lanna Air, | T | AVCODES |
| 2 | CMU | Northern Aviation Service | | | ICAO1 |
| 3 | CMU | COLUMBUS CHARTER SERVICE | | | PWRC |
| 4 | CMU | Columbus Charter Service | | | RSRV |
| 5 | CMUA | CASTRO MACIAS, MIGUEL ANGEL | | | SCAC4 |
| 6 | CMUB | CLASSIC LIMOUSINE INC | | | SCAC3 |
| 7 | CMUC | CARLYLE MANUFACTURING CO INC | | | SCAC3 |
| 8 | CMUF | CONSOLIDATED MANUFACTURERS | | | SCAC3 |
| 9 | CMUG | C & M AUTO TRANSPORT | | | SCAC3 |
| 10 | CMUG | CM TRUCKING | | | SCAC4 |
| 11 | CMUH | C & M TRUCKING | | | SCAC3 |
| 12 | CMUI | COMMERCIAL SOURCE INC | | | SCAC3 |
| 13 | CMUI | C & M HAULERS INC | | | SCAC4 |
| 14 | CMUJ | CUNNINGHAM MOVING & STORAGE | | | SCAC4 |
| 15 | CMUK | COTTOMS TRUCKING | | | SCAC3 |
| 16 | CMUK | CMM TRUCKING INC | | | SCAC4 |
| 17 | CMUL | CMC TRUCK LINE | | | SCAC3 |
| 18 | CMUM | COMMUTER TRANSPORTATION | | | SCAC3 |
| 19 | CMUN | C M T TRUCKING | | | SCAC3 |
| 20 | CMUO | C & M TOURS | | | SCAC3 |
| 21 | CMUP | CHEMET MARITIME PTE LTD. | | | SCAC3 |
| 22 | CMUQ | COMMUNITY CARRIERS | | | SCAC3 |
| 23 | CMUR | COLSON LIMOUSINE SERVCE | | | SCAC3 |
| 24 | CMUT | COMEAU, G TRANSPORTATION CORP | | | SCAC3 |
| 25 | CMUU | HAPAG LLOYD A.G | | D | BIC |
| 26 | CMUU | CANADA MARITIME SERVICES LTD. | | | PWRC |
| 27 | CMUU | Canada Maritime Agencies Limited | | | RSRV |
| 28 | CMUU | CANADA MARITIME SERVICES LTD | | | SCAC3 |
| 29 | CMUU | CP SHIPS | | | SCAC4 |
| 30 | CMUV | COLINS MUNICIPAL SERVICES INC | | | SCAC3 |
| 31 | CMUW | C M J TRUCKING | | | SCAC4 |
| 32 | CMUY | C & M SUPPLY INC | | | SCAC4 |
