| 3701 | CDPY | CLINTONS DITCH COOPERATIVE COMPANY | | | SCAC4 |
| 3702 | CDQ | Chodang University | Callsign: Chodang Flight, | ROK | AVCODES |
| 3703 | CDQA | C & D TRANSPORT INC | | | SCAC4 |
| 3704 | CDQD | CARDER INC | | | SCAC4 |
| 3705 | CDQG | CAD LOGISTICS | | | SCAC4 |
| 3706 | CDQH | COLORADO HI-TEC M & S INC | | | SCAC3 |
| 3707 | CDQH | COLORADO HI-TEC MOVING & STORAGE IN | | | SCAC4 |
| 3708 | CDQN | CROSSLAND LOGISTICS INC | | | SCAC4 |
| 3709 | CDQP | CRODANE PTE LTD | | | SCAC3 |
| 3710 | CDQR | C D S LINE | | | SCAC3 |
| 3711 | CDQS | CANNON DIS SERV INC | | | SCAC3 |
| 3712 | CDQT | COMMAND TRANSPORT INC | | | SCAC3 |
| 3713 | CDQT | COMMAND TRANSPORT INC | | | SCAC4 |
| 3714 | CDR | Canadian Regional Airlines (1998) Ltd. | IATA: KI, Callsign: Canadian Regional, Merged into Air Canada Jazz | CDN | AVCODES |
| 3715 | CDR | Bombardier, Inc. | Callsign: Canadair, | CDN | AVCODES |
| 3716 | CDR | Canadian Regional Airlines | | | ICAO1 |
| 3717 | CDRA | C&D CARTAGE, INC | | | SCAC3 |
| 3718 | CDRB | C D R DISTRIBUTING | | | SCAC3 |
| 3719 | CDRC | COMMODITY RELOCATION X-PRESS | | | SCAC4 |
| 3720 | CDRD | CRESS, DARRELL D | | | SCAC3 |
| 3721 | CDRD | CDR DISTRIBUTING | | | SCAC4 |
| 3722 | CDRE | COMET DELIVERY SERVICES | | | SCAC4 |
| 3723 | CDRG | CHANDLER TRUCKING | | | SCAC3 |
| 3724 | CDRH | CARPENTER, D R | | | SCAC4 |
| 3725 | CDRI | CHARLESTON DELIVERY SERVICE INC | | | SCAC3 |
| 3726 | CDRI | COALDALE IRON PRODUCTS LTD | | | SCAC4 |
| 3727 | CDRJ | CLAUDIA, REDERIJ MV, DELFZIJL HOLL | | | SCAC3 |
| 3728 | CDRK | C & D TRUCKING | | | SCAC3 |
| 3729 | CDRK | C & B TRANSPORTATION SERVICES INC | | | SCAC4 |
| 3730 | CDRL | C & D REFRIGERATED LTD | | | SCAC3 |
| 3731 | CDRN | CADRON CREEK TRUCKING INC | | | SCAC3 |
| 3732 | CDRN | CENTRE DE RENOVATION ECONOMIQUE | | | SCAC4 |
| 3733 | CDRO | CEDERGREEN FOODS CORP | | | SCAC3 |
| 3734 | CDRO | CONCRETO DECORATIVO SA DE CV | | | SCAC4 |
| 3735 | CDRP | CEDAR PETROLEUM TRANSPORT | | | SCAC3 |
| 3736 | CDRQ | CAPITOL DISTRICT RIGGING & TRANSPOR | | | SCAC3 |
| 3737 | CDRR | CEDAR RIVER TRUCK CO INC | | | SCAC3 |
| 3738 | CDRR | CEDAR RIVER TRUCK CO INC | | | SCAC4 |
| 3739 | CDRS | C-RENTAL SERVICES INC | | | SCAC3 |
| 3740 | CDRT | C AND R TOWING AND FLEETING INC | | | SCAC3 |
| 3741 | CDRV | CEDAR VALLEY TRANSPORT | | | SCAC3 |
| 3742 | CDRV | CHAMPLAIN DAIRY SERVICES INC | | | SCAC4 |
| 3743 | CDRX | Consolidated Rendering Co. (Burlington Rendering Co.) | 7/1930 | | NAKINA |
| 3744 | CDRX | CONSOLIDATED RENDERING CO. (BURLINGTON RENDERING CO.) | | | PWRC |
| 3745 | CDS | Central Districts Airlines | Callsign: Central Avia, | RUS | AVCODES |
| 3746 | CDS | Cord-Air | Callsign: Corday, | USA | AVCODES |
| 3747 | CDS | Spectrem Air Ltd | Callsign: Specdas, | ZA | AVCODES |
| 3748 | CDS | Spectrem Air | | | ICAO1 |
| 3749 | CDSA | CUSTOM DELIVERIES OF VA INC | | | SCAC4 |
| 3750 | CDSC | COOPER, D S COACH CORP | | | SCAC3 |
| 3751 | CDSC | CHORIZO DE SAN MANUEL INC | | | SCAC4 |
| 3752 | CDSD | C D & SONS ENTERPRISES INC | | | SCAC3 |
| 3753 | CDSD | CADECO SA DE CV | | | SCAC4 |
| 3754 | CDSE | CIRCLE DELIVERY SERVICE, INC | | | SCAC3 |
| 3755 | CDSE | CIRCLE DELIVERY SERVICE INC | | | SCAC4 |
| 3756 | CDSF | CDS TRANSPORT INC | | | SCAC4 |
| 3757 | CDSG | C D S EQUIPMENT INC | | | SCAC3 |
| 3758 | CDSH | C & D SERVICE | | | SCAC3 |
| 3759 | CDSH | CENTRAL DELIVERY SYSTEMS | | | SCAC4 |
| 3760 | CDSI | CARDOSI CARTAGE & LEASING INC | | | SCAC3 |
| 3761 | CDSI | CDS AIR FREIGHT INC | | | SCAC4 |
| 3762 | CDSJ | CERTIFIED DISTRIBUTION SERVICES INC | | | SCAC3 |
| 3763 | CDSK | CROSSROADS TRUCKING | | | SCAC4 |
| 3764 | CDSL | CASA DEL SOL TRAVEL | | | SCAC3 |
| 3765 | CDSM | C-D-S COURIER SERVICE | | | SCAC3 |
| 3766 | CDSN | CONSOLIDATED DISTRIBUTION SERVICES | | | SCAC3 |
| 3767 | CDSN | CAROLINA DISPOSAL SERVICE INC | | | SCAC4 |
| 3768 | CDSO | CARLIN DELIVERY SERVICE CO | | | SCAC3 |
| 3769 | CDSP | CENTRAL DISPATCH INC. | | | SCAC3 |
| 3770 | CDSQ | CAMPBELL DELIVERY SERVICE | | | SCAC3 |
| 3771 | CDSQ | CROSSDOCK SYSTEMS INC | | | SCAC4 |
| 3772 | CDSR | CONTROLLED DISTRIBUTION SERVICES IN | | | SCAC3 |
| 3773 | CDSS | COMPLETE DISTRIBUTION SERVICES INC | | | SCAC4 |
| 3774 | CDST | CLARK, D S TRANSPORTATION | | | SCAC3 |
| 3775 | CDST | CENTRAL DISPATCH INC | | | SCAC4 |
| 3776 | CDSU | CSI GENERAL PARTNESHIP | | CDN | BIC |
| 3777 | CDSV | COLLECTIVE DISTRIBUTION SERVICES IN | | | SCAC3 |
| 3778 | CDSV | CDS OVERSEAS INC | | | SCAC4 |
| 3779 | CDSW | CARMONA, D & SONS | | | SCAC3 |
| 3780 | CDSY | CONTINENTAL DELIVERY SYSTEMS INC | | | SCAC3 |
| 3781 | CDT | Real Aero Club de Reus-Costa Dorada | Callsign: Aeroreus, | E | AVCODES |
| 3782 | CDT | Real Aero Club de Reus-Costa Dorado | | | ICAO1 |
| 3783 | CDT | CONNECTICUT DEPARTMENT OF TRANSPORTATION | | | PWRC |
| 3784 | CDT | CROSSROAD TOURS | | | SCAC4 |
| 3785 | CDTA | CALIFORNIA DAME TRANSPORTATION INC | | | SCAC3 |
| 3786 | CDTA | C & D FORREST TRANSPORT LLC | | | SCAC4 |
| 3787 | CDTA | Capital District Transportation Authority | City: Albany (NY) | USA | TRAFFIC |
| 3788 | CDTB | CORD TRANSPORTATION SERVICES INC | | | SCAC3 |
| 3789 | CDTC | C & D TRANSPORTATION COMPANY | | | SCAC3 |
| 3790 | CDTC | CANDOR TRANSPORTATION CO LLC | | | SCAC4 |
| 3791 | CDTE | C D TRANSFER | | | SCAC3 |
| 3792 | CDTE | CORDITE TRANSPORT LTD | | | SCAC4 |
| 3793 | CDTF | CANDYS TORTILLA FACTORY INC | | | SCAC3 |
| 3794 | CDTF | CANADIAN TUNA FISHERMAN | | | SCAC4 |
| 3795 | CDTG | C & D TRUCKING INC | | | SCAC3 |
| 3796 | CDTG | C & D | | | SCAC4 |
| 3797 | CDTH | CHILDERS TRUCKING CO INC | | | SCAC3 |
| 3798 | CDTI | C & D TRUCKING | | | SCAC3 |
| 3799 | CDTI | CHEMICAL DISTRIBUTORS INC | | | SCAC4 |
| 3800 | CDTJ | CHILDRES TRUCKING CO INC | | | SCAC3 |
