| 1 | DFC | Aeropartner s.r.o. | Callsign: Dark Blue, | CZ | AVCODES |
| 2 | DFCA | DIVERSIFIED CARRIERS INC | | | SCAC4 |
| 3 | DFCC | DFC TRUCKING COMPANY | | | SCAC1 |
| 4 | DFCC | DEFINO CONTRACTING COMPANY | | | SCAC4 |
| 5 | DFCD | D F C | | | SCAC4 |
| 6 | DFCF | DFC TRANSPORT | | | SCAC4 |
| 7 | DFCM | DUMAS FREIGHT CO | | | SCAC4 |
| 8 | DFCN | DESIGNER FURNITURE COLLECTION | | | SCAC4 |
| 9 | DFCO | DUALFLEX CO LTD | | | SCAC4 |
| 10 | DFCR | DENVER FEDERAL CENTER | | | PWRC |
| 11 | DFCR | DAVIDSON FARMS OF CRESTON INC | | | SCAC4 |
| 12 | DFCS | DAFCO FILTRATION PRODUCTS | | | SCAC4 |
| 13 | DFCX | Durant Farmers Creamery (North Western Refrigerator Line Co.) | 7/1935 | | NAKINA |
| 14 | DFCZ | DAVIS FARMS COMPANY, INC. | | | PWRC |
