| 1701 | DEV | Red Devils Parachute Display Team | Callsign: Red Devils, | GB | AVCODES |
| 1702 | DEV | Red Devils Parachute Display Team | | | ICAO1 |
| 1703 | DEV | Deutscher Eisenbahn Verein e.V. | Bruchhausen-Vilsen | D | privat-bahn.de |
| 1704 | DEV | DEVLEN | | | SCAC4 |
| 1705 | DEV | Deutscher Eisenbahn-Verein | | D | TRAFFIC |
| 1706 | DEV | Deutsche Eisenbahn Verein e.V. | | DE | VKM |
| 1707 | DEVA | DEVA TRANSPORT | | | SCAC4 |
| 1708 | DEVF | DEV FREIGHTLINE INC | | | SCAC4 |
| 1709 | DEVG | DEAN, VERNAL L | | | SCAC1 |
| 1710 | DEVG | Devon General Omnibus and Touring Company | | GB | TRAFFIC |
| 1711 | DEVI | DIRT EXCAVATING LLC | | | SCAC4 |
| 1712 | DEVN | DEVINE INTERMODAL | | | SCAC4 |
| 1713 | DEVP | DARVEAU EVAPORATORS & STEPHANE DARV | | | SCAC4 |
| 1714 | DEVQ | DEVON CARTAGE & WAREHOUSE INC | | | SCAC4 |
| 1715 | DEVS | DYNAMIC ENVIRONMENTAL SERVICES LLC | | | SCAC4 |
| 1716 | DEW | Dampfeisenbahn Weserbergland e.V. | Bad Eilsen | D | privat-bahn.de |
| 1717 | DEW | Dampfeisenbahn Weserbergland e.V. | | DE | VKM |
| 1718 | DEWA | DEWEY, W M & SON INC | | | SCAC4 |
| 1719 | DEWC | DE WELL CONTAINER SHIPPING CORP | | | SCAC4 |
| 1720 | DEWD | DEW DISTRIBUTION SERVICES INC | | | SCAC4 |
| 1721 | DEWG | DEWITT TRANSPORTATION LLC | | | SCAC4 |
| 1722 | DEWW | DEW TRANSPORT CO | | | SCAC4 |
| 1723 | DEX | Interflight, Inc. | Callsign: Dulles Express, | USA | AVCODES |
| 1724 | DEXA | DELTA EXPRESS INC | | | SCAC4 |
| 1725 | DEXB | DHL EXPRESS | | | SCAC4 |
| 1726 | DEXC | DUNHAM EXPRESS | | | SCAC4 |
| 1727 | DEXH | DUNHAM'S EXPRESS | | | SCAC4 |
| 1728 | DEXJ | DELFRESCO EXPRESS LTD | | | SCAC4 |
| 1729 | DEXK | DEPENDABLE EXPRESS TRUCKING INC | | | SCAC4 |
| 1730 | DEXM | DIAMOND EXPEDITED INC | | | SCAC4 |
| 1731 | DEXN | DEXP INC | | | SCAC4 |
| 1732 | DEXO | DIRECTO EXPRESS | | | SCAC4 |
| 1733 | DEXQ | DIAMOND EXPRESS | | | SCAC4 |
| 1734 | DEXR | DAKOTAH EXPRESS INC | | | SCAC4 |
| 1735 | DEXS | DISCOVERY EXPRESS INC | | | SCAC4 |
| 1736 | DEXT | DEXTER CARPENTER COAL CO. | | | PWRC |
| 1737 | DEXT | DESERT EXPRESS TRANSPORT LLC | | | SCAC4 |
| 1738 | DEXU | DELEXPRESS | | RUS | BIC |
| 1739 | DEXU | DEX LTD | | | SCAC4 |
| 1740 | DEXV | DESROCHERS EXCAVATING INC | | | SCAC4 |
| 1741 | DEXW | DAKOTA EXPRESS | | | SCAC4 |
| 1742 | DEYE | DYNAMIC EXPRESS INC | | | SCAC4 |
| 1743 | DEYF | DECOY FREIGHT SYSTEM, INC | | | SCAC1 |
| 1744 | DEYF | DECOY FREIGHT SYSTEM INC | | | SCAC4 |
| 1745 | DF | Condor Berlin GmbH | ICAO: CIB, Callsign: Condor Berlin, | D | AVCODES |
| 1746 | DF | Aerolineas de Baleares Aebal | ICAO: ABH, Callsign: Air Balear, IATA Prefix: 059, Commenced operations on 05 July 2000. Ceased operations on 16 September 2008. Sold in January 2009 and name changed to Quantum Air. ICAO Code QTM. | E | AVCODES |
| 1747 | DF | Deer Jet Co. Ltd. | ICAO: DER, Callsign: Deer Jet, IATA designator changed to JD | PRC | AVCODES |
| 1748 | DF | New ACS Ltd. | | ZAR | AVCODES |
| 1749 | DF | Condor Flugdienst GmbH | ICAO: CFG, Callsign: Condor, IATA designator changed to DE | D | AVCODES |
| 1750 | DF | DIERK'S FOREST | | | PWRC |
| 1751 | DFA | Aero Coach Aviation International, Inc. | Callsign: Aero Coach, | USA | AVCODES |
| 1752 | DFA | Aero Coach Aviation | | | ICAO1 |
| 1753 | DFAC | DFA OF CANADA | | | SCAC4 |
| 1754 | DFAI | DESIGN FRANC ART INC | | | SCAC4 |
| 1755 | DFAK | DAIRY FARM | | | SCAC4 |
| 1756 | DFAL | D F E INC | | | SCAC4 |
| 1757 | DFAU | DOLE FRESH FRUIT INTERNATIONAL LTD | | | SCAC4 |
| 1758 | DFAV | DIVERSIFIED AUTOMOTIVE TRANSPORTERS | | | SCAC4 |
| 1759 | DFB | | | CH | TRAFFIC |
| 1760 | DFC | Aeropartner s.r.o. | Callsign: Dark Blue, | CZ | AVCODES |
| 1761 | DFCA | DIVERSIFIED CARRIERS INC | | | SCAC4 |
| 1762 | DFCC | DFC TRUCKING COMPANY | | | SCAC1 |
| 1763 | DFCC | DEFINO CONTRACTING COMPANY | | | SCAC4 |
| 1764 | DFCD | D F C | | | SCAC4 |
| 1765 | DFCF | DFC TRANSPORT | | | SCAC4 |
| 1766 | DFCM | DUMAS FREIGHT CO | | | SCAC4 |
| 1767 | DFCN | DESIGNER FURNITURE COLLECTION | | | SCAC4 |
| 1768 | DFCO | DUALFLEX CO LTD | | | SCAC4 |
| 1769 | DFCR | DENVER FEDERAL CENTER | | | PWRC |
| 1770 | DFCR | DAVIDSON FARMS OF CRESTON INC | | | SCAC4 |
| 1771 | DFCS | DAFCO FILTRATION PRODUCTS | | | SCAC4 |
| 1772 | DFCX | Durant Farmers Creamery (North Western Refrigerator Line Co.) | 7/1935 | | NAKINA |
| 1773 | DFCZ | DAVIS FARMS COMPANY, INC. | | | PWRC |
| 1774 | DFDC | DE FRANCO, D & SONS | | | SCAC4 |
| 1775 | DFDN | DFDS CONTAINER LINE | | | SCAC4 |
| 1776 | DFDO | DIAMOND FREIGHT DISTRUBUTION CO INC | | | SCAC4 |
| 1777 | DFDS | DET FORENTE DAMPSKIBS-SELSKAB | | | PWRC |
| 1778 | DFDS | DSV OCEAN TRANSPORT A/S | | | SCAC4 |
| 1779 | DFDT | DURE FOODS LTD | | | SCAC4 |
| 1780 | DFDU | DSV ROAD HOLDING A/S | | DK | BIC |
| 1781 | DFDU | DFDS TRANSPORT GROUP A/S | | | SCAC4 |
| 1782 | DFDY | DFS DECK FREIGHT SYSTEMS INC | | | SCAC4 |
| 1783 | DFEI | DF EXPRESS INC | | | SCAC4 |
| 1784 | DFFB | DB FREIGHT FORWARDING LLC | | | SCAC4 |
| 1785 | DFFC | DOLE FRESH FRUIT EXPRESS | | | SCAC1 |
| 1786 | DFFC | DOLE FRESH FRUIT COMPANY | | | SCAC4 |
| 1787 | DFFE | DANIEL FAMILY FUEL INC | | | SCAC4 |
| 1788 | DFFI | DFF INC | | | SCAC4 |
| 1789 | DFFL | DOLE FRESH FRUIT CARRIERS | | | SCAC1 |
| 1790 | DFFL | DOUBLE (F) LEASING | | | SCAC4 |
| 1791 | DFFN | DH FREIGHT FORWARDERS INC | | | SCAC4 |
| 1792 | DFFT | DFFF TRUCKING INC | | | SCAC4 |
| 1793 | DFFX | Glidden Co. | added 10/1963; 7/1965-4/1970; eliminated 10/1971 | | NAKINA |
| 1794 | DFFX | Durkee Famous Foods | 7/1937 | | NAKINA |
| 1795 | DFFX | Durkee Famous Foods, Division of the Glidden Co. | 4/1938-4/1961; eliminated 10/1963 | | NAKINA |
| 1796 | DFFX | Durkee Famous Foods, Division of the Glidden Co. | 4/38-4/61 | | NRHS |
| 1797 | DFFX | Glidden Co. | 7/65-4/70; eliminated 10/71 | | NRHS |
| 1798 | DFFX | GLIDDEN CO. [DURKEE FAMOUS FOODS] | | | PWRC |
| 1799 | DFFY | DUFFY, ANDREW B INC | | | SCAC4 |
| 1800 | DFG | Del Fungo-Giera Servizi Ferroviari SpA | | I | TRAFFIC |
