| 1 | DER | Deer Jet Co. Ltd. | IATA: DF, Callsign: Deer Jet, IATA designator changed to JD | PRC | AVCODES |
| 2 | DER | Deer Jet Co. Ltd. | IATA: JD, Callsign: Deer Jet, IATA Prefix: 898, IATA designator changed from DF* | PRC | AVCODES |
| 3 | DER | Deer Jet | | | ICAO1 |
| 4 | DER | Dunn-Erwin Ry. Corp. | 1/1994 | | NAKINA |
| 5 | DER | Dunn-Erwin Ry. Corp. | Jan-94 | | NRHS |
| 6 | DER | DUNN-ERWIN RAILWAY CORPORATION | | | PWRC |
| 7 | DERA | DE ROSE & SON | | | SCAC4 |
| 8 | DERC | DEAD RIVER COMPANY | | | SCAC4 |
| 9 | DERD | DER DAU CUSTOM BOOTS AND SHOES | | | SCAC4 |
| 10 | DERE | DERASHNIE ENTERPRISES LLC | | | SCAC4 |
| 11 | DERF | D E RICE CONSTRUCTION COMPANY INC | | | SCAC4 |
| 12 | DERG | DEKRUGER BROTHERS | | | SCAC4 |
| 13 | DERI | DERUSSEAU INC | | | SCAC4 |
| 14 | DERK | DEERE, JOHN SHARED SERVICES INC | | | SCAC4 |
| 15 | DERL | DE LA ROSA LUNA, VICTOR | | | SCAC4 |
| 16 | DERP | DESERT EXPRESS | | | SCAC4 |
| 17 | DERS | DERSTINE TRUCKING | | | SCAC4 |
| 18 | DERU | DEBOER TRANSPORTATION INC | | | SCAC4 |
| 19 | DERY | DULCERIA EL REY SA DE CV | | | SCAC4 |
