| 1 | GLF | Gulfstream Aerospace | Callsign: Gulfstream Test, | USA | AVCODES |
| 2 | GLF | Gulfstream Aerospace | | | ICAO1 |
| 3 | GLFA | GOOD LUCK FARM & FREIGHT | | | SCAC4 |
| 4 | GLFB | GULF & CARIBBEAN CARGO INC | | | SCAC4 |
| 5 | GLFC | GULF COAST TRANSPORTATION | | | SCAC4 |
| 6 | GLFF | GREAT LAKES CUSTOMS BROKERAGE INC | | | SCAC4 |
| 7 | GLFI | GULF LINE TRANSPORT INC | | | SCAC4 |
| 8 | GLFK | GULF PACKAGING INC | | | SCAC4 |
| 9 | GLFM | GOLFMOBILES | | | SCAC4 |
| 10 | GLFN | GREAT LAKES FRAME COMPANY INC, THE | | | SCAC4 |
| 11 | GLFO | GULF OFFSHORE TRANSPORTATION SERVIC | | | SCAC4 |
| 12 | GLFP | GLF TRANSPORTATION LTD | | | SCAC4 |
| 13 | GLFS | GULFSTREAM LINE INC | | | SCAC4 |
| 14 | GLFT | GLEFI SHIPPING XXXII CO LTD MONROVI | | | SCAC4 |
| 15 | GLFX | GULF POWER COMPANY | | | SCAC4 |
