| 1 | MGS | Aeromagar, S.A. de C.V. | Callsign: Aeromagar, | MEX | AVCODES |
| 2 | MGS | Aeromagar | | | ICAO1 |
| 3 | MGSA | MORAN-GULF SHIPPING AGENCIES | | | SCAC4 |
| 4 | MGSC | MID-GULF SHIPPING CO INC | | | SCAC4 |
| 5 | MGSD | MUNGAS CO INCORPORATED | | | SCAC4 |
| 6 | MGSF | MORNING SHIPPING CO LTD | | | SCAC4 |
| 7 | MGSI | MODERN GAS SALES INC | | | SCAC4 |
| 8 | MGSK | MAGS TRUCKING INC | | | SCAC4 |
| 9 | MGSM | MRYGLOD STEEL & METALS INC | | | SCAC4 |
| 10 | MGSO | MGS LOGISTICS, INC. | | | SCAC4 |
| 11 | MGSP | MORNING STAR TRANSPORT INC | | | SCAC4 |
| 12 | MGSQ | MR G'S WRECKER SERVICE | | | SCAC4 |
| 13 | MGSR | MAAGGSHU | | | SCAC4 |
| 14 | MGSS | MGS CORPORATION | | | SCAC4 |
| 15 | MGSU | MARGUISA S A | | | SCAC4 |
| 16 | MGSX | CF Martin Sulphur, LP | added 4/2001; 7/2005; eliminated 1/2007 | | NAKINA |
| 17 | MGSX | Martin Gas Sales, Inc. | added 1/1981; 1/1994-7/2000; eliminated 4/2001 | | NAKINA |
| 18 | MGSX | CF Martin Sulphur, LP | added 4/2001 | | NRHS |
| 19 | MGSX | Martin Gas Sales, Inc. | added 1/81; 1/94-7/2000; eliminated 4/2001 | | NRHS |
| 20 | MGSX | MARTIN OPERATING PARTNERSHIP LP [CF MARTIN SULPHUR, LP; MARTIN GAS SALES INC.] | | | PWRC |
| 21 | MGSX | Martin Gas Sales (CF Martin Sulphur) | | | RSRV |
| 22 | MGSX | MARTIN SULPHUR | | | SCAC4 |
| 23 | MGSX | Martin Gas Sales Incorporated | | USA | TRAFFIC |
