| 1 | SUD | Sudan Airways Co. Ltd. | IATA: SD, Callsign: Sudanair, IATA Prefix: 200, | SUD | AVCODES |
| 2 | SUD | Sudan Airways | IATA: SD | | ICAO1 |
| 3 | SUD | Südbahn | | A | TRAFFIC |
| 4 | SUDA | SUNLAND DISTRIBUTION OF FLORIDA INC | | | SCAC4 |
| 5 | SUDB | Greater Sudbury Transit | | CDN | TRAFFIC |
| 6 | SUDC | COLUMBUS LINE, INC. | | | PWRC |
| 7 | SUDD | SUDDATH RELOCATION SYSTEMS OF | | | SCAC4 |
| 8 | SUDG | SUN DOG TRUCKING INC | | | SCAC4 |
| 9 | SUDH | SUDDATH RELOCATION SYSTEMS OF NORTH | | | SCAC4 |
| 10 | SUDI | SUREFIRE CONSULTING LLC | | | SCAC4 |
| 11 | SUDL | SUDDATH VAN LINES D/B/A SUDATH RELO | | | SCAC4 |
| 12 | SUDO | SKYRAIL SYSTEMS USA INC | | | SCAC4 |
| 13 | SUDR | STUDDARD, JAMES B TRANSFER & STORAG | | | SCAC4 |
| 14 | SUDT | SUDDATH TRANSPORTATION SERVICES, IN | | | SCAC4 |
| 15 | SUDU | MAERSK A/S | | DK | BIC |
| 16 | SUDU | COLUMBUS LINE, INC. | | | PWRC |
| 17 | SUDU | Columbus Line | | | RSRV |
| 18 | SUDU | SUD HAMBURG/COLUMBUS LINE | | | SCAC1 |
| 19 | SUDU | HAMBURG SUED | | | SCAC4 |
