| 1 | YG | South Airlines | ICAO: OTL, Callsign: Southline, Founded on 19 April 1999. AOC revoked in February 2013. IATA designator changed from V4* | UA | AVCODES |
| 2 | YG | YTO Cargo Airlines Co., Ltd. | ICAO: HYT, Callsign: Quick Air, IATA Prefix: 860, | PRC | AVCODES |
| 3 | YGEP | YOUNG'S, E., EXPRESS, INC | | | SCAC1 |
| 4 | YGER | YAEGER TRUCKING | | | SCAC4 |
| 5 | YGJC | YARELY GUADALUPE, JACOBO CORONEL | | | SCAC4 |
| 6 | YGLR | YONGE, LANCE R | | | SCAC4 |
| 7 | YGRI | YOUNG RESTORATIONS | | | SCAC4 |
| 8 | YGSC | YODER GAS CO | | | SCAC4 |
| 9 | YGTI | YOUNG TRANSPORTATION INC | | | SCAC4 |
| 10 | YGTN | YOUNGS TANK LINES | | | SCAC4 |
| 11 | YGTR | YOUNG, T R TRUCKING | | | SCAC4 |
