| 1 | KDC | K.D. Air Corporation | IATA: XC, Callsign: Key Dee, Ceased operaitons. | CDN | AVCODES |
| 2 | KDC | K D Air Corporation | | | ICAO1 |
| 3 | KDCF | KALE, D C FARMS & TRUCKING | | | SCAC3 |
| 4 | KDCF | K & D TRANSPORT OF MARSEILLES INC | | | SCAC4 |
| 5 | KDCO | KRASH DELIVERY CO | | | SCAC3 |
| 6 | KDCR | KDC FARMS | | | SCAC4 |
| 7 | KDCS | KANIS, DIRK CONTRACTING LTD | | | SCAC4 |
| 8 | KDCU | KUKDONG MARITIME EQUIPMENT SERVICE | | ROK | BIC |
| 9 | KDCU | FAR EAST CONTAINER CO LTD | | | SCAC4 |
| 10 | KDCX | Eastman Chemical Co., Inc. | added 1/2004; 7/2005 | | NAKINA |
| 11 | KDCX | Eastman Chemical Canada, Inc. | added 1/1995; 7/2000; eliminated 1/2004 | | NAKINA |
| 12 | KDCX | Kodak Canada, Inc. | added 10/1990; 1/1994; eliminated 1/1995 | | NAKINA |
| 13 | KDCX | Kodak Canada, Inc. | added 10/90; 1/94; eliminated 1/95 | | NRHS |
| 14 | KDCX | Eastman Chemical Canada, Inc. | added 1/95; 7/2000 | | NRHS |
| 15 | KDCX | KODAK CANADA, INC. [EASTMAN CHEMICAL CANADA INC] | | | PWRC |
| 16 | KDCX | Eastman Chemical Canada | | | RSRV |
| 17 | KDCX | EASTMAN CHEMICAL COMPANY INC | | | SCAC4 |
