| 1 | RDD | Adygeya Airlines | Callsign: Adlines, | RUS | AVCODES |
| 2 | RDD | Adygeya Airlines | | | ICAO1 |
| 3 | RDDA | REED, DAVE TRUCKING INC | | | SCAC3 |
| 4 | RDDA | RADISSON DESIGN INC | | | SCAC4 |
| 5 | RDDB | REED DISTRIBUTING | | | SCAC3 |
| 6 | RDDB | REED DISTRIBUTING INC | | | SCAC4 |
| 7 | RDDE | RODDIE TRUCKING INC | | | SCAC3 |
| 8 | RDDF | RIDDLE FUEL OIL CO INC | | | SCAC3 |
| 9 | RDDG | RED DOG TRUCKING | | | SCAC3 |
| 10 | RDDG | RDD FREIGHT INTERNATIONAL INC | | | SCAC4 |
| 11 | RDDH | REDDOCH INC | | | SCAC3 |
| 12 | RDDI | REGIONAL DISTRIBUTION, INC | | | SCAC3 |
| 13 | RDDI | RICH, D D | | | SCAC4 |
| 14 | RDDL | REDDING LOGISTICS TRANSPORTATION IN | | | SCAC4 |
| 15 | RDDN | REDDEN, B W | | | SCAC3 |
| 16 | RDDN | REDDEN MARINE SUPPLY INC | | | SCAC4 |
| 17 | RDDO | REDDING OIL COMPANY | | | SCAC4 |
| 18 | RDDQ | REED, DENNIS | | | SCAC3 |
| 19 | RDDR | RICHARDS DELIVERY SERVICE | | | SCAC3 |
| 20 | RDDS | REDDING DUMP TRUCK SERVICE INC | | | SCAC3 |
| 21 | RDDT | RIDDLE TRUCKING INC | | | SCAC3 |
| 22 | RDDV | REDCO DELIVERY SERVICE INC | | | SCAC3 |
| 23 | RDDW | RAY, DON DRIVE-AWAY COMPANY INC | | | SCAC4 |
| 24 | RDDY | RUDYS DELIVERY SERVICE | | | SCAC3 |
