| 1 | CSE | CSE Aviation Ltd. | Callsign: Oxford, | GB | AVCODES |
| 2 | CSE | CSE Aviation Ltd. | IATA: NR, Callsign: Wigwam, Desigantor NR recalled by IATA | GB | AVCODES |
| 3 | CSE | Coral Seas Express Ltd. | | SOL | AVCODES |
| 4 | CSE | CSE Aviation | | | ICAO1 |
| 5 | CSE | COLORADO SPRINGS & EASTERN RAILROAD CO. | | | PWRC |
| 6 | CSE | CASTLE SEDANS LLC | | | SCAC4 |
| 7 | CSE | Connex South Eastern Ltd. | 1999: 770km standard gauge, electrified at 750V= 3rd rail | GB | TRAFFIC |
| 8 | CSE | Connex Sout Eastern | | UK | VKM |
| 9 | CSEA | CREATIONS SEGO INC | | | SCAC4 |
| 10 | CSEB | CONCORDE SHIPPING INC | | | SCAC4 |
| 11 | CSEC | CASEY CARTAGE INC | | | SCAC3 |
| 12 | CSEC | CASE, JAMES OIL COMPANY INC | | | SCAC4 |
| 13 | CSED | CMS DOMESTIC | | | SCAC3 |
| 14 | CSEE | C'S ENTERPRISES | | | SCAC3 |
| 15 | CSEF | C & S EXPRESS INC | | | SCAC3 |
| 16 | CSEF | COTTONS SHOP | | | SCAC4 |
| 17 | CSEG | CSG SECURITY SERVICES INC | | | SCAC3 |
| 18 | CSEG | CREATIVE SOLUTIONS GROUP | | | SCAC4 |
| 19 | CSEH | CENTRAL STATES EXPRESS INC | | | SCAC3 |
| 20 | CSEH | CS LOGISTICS INC | | | SCAC4 |
| 21 | CSEI | COASTAL SERVICE EXPRESS INC | | | SCAC3 |
| 22 | CSEJ | C & S EXPRESS | | | SCAC3 |
| 23 | CSEK | CASE TRUCKING INC | | | SCAC3 |
| 24 | CSEL | CAR SEA ENTERPRISES INC | | | SCAC3 |
| 25 | CSEL | CAR SEA ENTERPRISES INC | | | SCAC4 |
| 26 | CSEM | CLASSIC EXPRESS INC | | | SCAC3 |
| 27 | CSEM | CANADIAN STEBBINS ENGINEERING & MFG | | | SCAC4 |
| 28 | CSEN | CASE ENTERPRISES INC | | | SCAC3 |
| 29 | CSEO | CASE TRANSPORTATION INC | | | SCAC3 |
| 30 | CSEP | COMSTAR ENTERPRISES INC | | | SCAC4 |
| 31 | CSEQ | CHICAGO SUBURBAN EXPRESS, INC | | | SCAC3 |
| 32 | CSER | CARTAGE SERVICES, INC | | | SCAC3 |
| 33 | CSER | CASTRO GARCIA, SERGIO | | | SCAC4 |
| 34 | CSERV | Cargo-Serv | | A | TRAFFIC |
| 35 | CSES | CALIFORNIA SPECIALIZED EQUIPMENT SY | | | SCAC4 |
| 36 | CSET | COASTAL EXPRESS TRUCKING | | | SCAC3 |
| 37 | CSEW | CENTRAL STATES EXPRESS | | | SCAC3 |
| 38 | CSEW | C & S EXPRESS INC | | | SCAC4 |
| 39 | CSEY | CASEYS BONDED DELIVERY SERVICE | | | SCAC3 |
| 40 | CSEY | CASEY, KENT | | | SCAC4 |
