| 1 | CNX | AllCanada Express, Inc. | Callsign: Canex, IATA Prefix: 726, | CDN | AVCODES |
| 2 | CNX | Allcanada Express | | | ICAO1 |
| 3 | CNX | Connex | | D | TRAFFIC |
| 4 | CNX | Connex | | FR | VKM |
| 5 | CNXB | CANEX INC | | | SCAC4 |
| 6 | CNXB | Connex bus UK | | GB | TRAFFIC |
| 7 | CNXC | CONTRAX CARRIER COMPANY | | | SCAC3 |
| 8 | CNXDK | Connex Denmark | | DK | TRAFFIC |
| 9 | CNXE | COTTON EXPRESS INC | | | SCAC3 |
| 10 | CNXF | CUTINO TRANSPORT CORP | | | SCAC4 |
| 11 | CNXG | CAROLINAS EXPRESS INC | | | SCAC4 |
| 12 | CNXI | CONTAINER EXPRESS INC | | | SCAC4 |
| 13 | CNXJ | CONCORD EXPRESS | | | SCAC4 |
| 14 | CNXK | CONN XPRESS | | | SCAC3 |
| 15 | CNXK | CANIMEX INC | | | SCAC4 |
| 16 | CNXL | C N X | | | SCAC3 |
| 17 | CNXL | CONTAINER EXPRESS LLC | | | SCAC4 |
| 18 | CNXM | CANADIAN NATIONAL RAILWAYS EXPRESS | | | SCAC3 |
| 19 | CNXM | CENEX OF MINOT | | | SCAC4 |
| 20 | CNXN | CENTRAL EXPRESS INC | | | SCAC3 |
| 21 | CNXN | CONTAINER X INC | | | SCAC4 |
| 22 | CNXP | CONTINENTAL EXPEDITERS | | | SCAC3 |
| 23 | CNXQ | CONTAINER EXPRESS INC | | | SCAC4 |
| 24 | CNXS | CARLS NIAGARA TAXI SERVICE | | | SCAC3 |
| 25 | CNXS | CORNEJO EXPRESS | | | SCAC4 |
| 26 | CNXT | CONEX FREIGHT SYSTEMS INC | | | SCAC3 |
| 27 | CNXT | CONNECTION TRANSPORT LLC | | | SCAC4 |
| 28 | CNXU | IFREMER | | F | BIC |
| 29 | CNXU | CENTER NATIONAL POUR L'EXPLOITATION | | | SCAC3 |
| 30 | CNXU | IFREMER | | | SCAC4 |
| 31 | CNXV | CONARD EXCAVATING | | | SCAC3 |
| 32 | CNXV | CHAMPION TRANSIT LLC | | | SCAC4 |
| 33 | CNXW | COSTA RICAN TRANSPORT | | | SCAC4 |
| 34 | CNXW | Connex Warsawa | | PL | TRAFFIC |
| 35 | CNXY | CORNBREAD X-PRESS INC | | | SCAC4 |
