| 1 | SZT | Servicios Aeronauticos Z, S.A. de C.V. | Callsign: Aero Zee, | MEX | AVCODES |
| 2 | SZT | Servicios Aeronauticos Z | | | ICAO1 |
| 3 | SZTE | SPECIALIZED TANK SERVICES INC | | | SCAC4 |
| 4 | SZTG | SPEEDY TRANSPORT GROUP INC | | | SCAC4 |
| 5 | SZTH | SEVEN ZERO TWO ZERO SIX THREE FIVE | | | SCAC4 |
| 6 | SZTI | SUB ZERO TRANSPORTATION INC | | | SCAC4 |
| 7 | SZTK | SANCHEZ TRUCKING | | | SCAC4 |
| 8 | SZTL | SARZA TOWING LLC | | | SCAC4 |
| 9 | SZTP | STOLTZFUS TRUCKING | | | SCAC4 |
| 10 | SZTQ | SPECIALIZE TRANSPORTATION INC | | | SCAC4 |
| 11 | SZTR | SCHULZ & SONS TRUCKING, INC | | | SCAC1 |
| 12 | SZTR | SEUZ TRANSPORTES TRANSFRONTERIZOS | | | SCAC4 |
| 13 | SZTS | SPECIALIZED TRANSPORTATION SERVICES | | | SCAC4 |
| 14 | SZTY | S Z TRUCKING | | | SCAC4 |
