| 1 | AGX | Aviogenex | IATA: JJ, Callsign: Genex, Ceased operations in Febraury 2015. ICAO callsign changed from Juliett Juliett | YU | AVCODES |
| 2 | AGX | Aviogenex | IATA: JJ, Callsign: Juliett Juliett, ICAO callsign changed to Genex | YU | AVCODES |
| 3 | AGX | Aviogenex | IATA: JJ | | ICAO1 |
| 4 | AGX | The Ajax Gasoline Co. | 8/1920-7/1923 | | NAKINA |
| 5 | AGX | A. Guthrie & Co. | 7/1937-4/1961 (not listed) | | NAKINA |
| 6 | AGX | A. Guthrie & Co. | 1/52-4/61 | | NRHS |
| 7 | AGX | *AJAX GASOLINE CO. | | | PWRC |
| 8 | AGX | *A. GUTHRIE & CO. | | | PWRC |
| 9 | AGX | *THE ALBERTA & GREAT WATERWAYS RAILROAD (NORTHERN ALBERTA RYS. CO.) | | | PWRC |
| 10 | AGXA | ATLANTIC CARGO TRANSPORT LLC | | | SCAC4 |
| 11 | AGXB | AG TRANSPORTS INC | | | SCAC4 |
| 12 | AGXD | AG EXPRESS INC | | | SCAC4 |
| 13 | AGXF | AIRCARGO TRANSPORT CFS | | | SCAC4 |
| 14 | AGXG | ATG LOGISTICS | | | SCAC4 |
| 15 | AGXI | AQUA GULF XPRESS INC | | | SCAC4 |
| 16 | AGXJ | AGA TRANSPORT | | | SCAC4 |
| 17 | AGXK | AGXP TRUCKING LLC | | | SCAC4 |
| 18 | AGXO | ALVARADO, G TRANSPORTATION | | | SCAC4 |
| 19 | AGXP | AIR GROUND XPRESS INC | | | SCAC4 |
| 20 | AGXQ | ARGAMAN TRANSPORT INC | | | SCAC4 |
| 21 | AGXS | AGM TRANSPORT | | | SCAC4 |
| 22 | AGXU | AMA-ASSOCIATED MARITIME AGENCIES LT | | | SCAC4 |
| 23 | AGXW | AGXH TRUCKING LLC | | | SCAC4 |
| 24 | AGXY | AMERICAS CARGO EXPRESS | | | SCAC4 |
