| 1 | GMM | Aerotaxis Guamuchil, S.A. de C.V. | Callsign: Aerogaumuchil, | MEX | AVCODES |
| 2 | GMM | Aerotaxis Guamuchil | | | ICAO1 |
| 3 | GMMA | GAMMA TRUCK LEASING INC | | | SCAC4 |
| 4 | GMMF | GM MANUFACTURING | | | SCAC4 |
| 5 | GMMH | GULF MARINE MANAGEMENT (DEUTSCHLAND | | | SCAC4 |
| 6 | GMMM | Grand Moulin Maurel | | FR | VKM |
| 7 | GMMN | GRAEBEL MINNESOTA MOVERS INC | | | SCAC4 |
| 8 | GMMQ | GROUPE M & M TRANSPORT ENR | | | SCAC4 |
| 9 | GMMT | GAMMILL TRANSPORT COMPANY INC | | | SCAC4 |
| 10 | GMMU | CALORIE FLUOR | | F | BIC |
