| 5701 | AGUS | ARGUS SUPPLY COMPANY | | | SCAC3 |
| 5702 | AGUS | AGUIRRE, ELIAS | | | SCAC4 |
| 5703 | AGUT | AGRICULTURAL TRANSPORTATION SERVICE | | | SCAC3 |
| 5704 | AGV | Air Glaciers | IATA: 7T, Callsign: Air Glaciers, Designator 7T* recalled by IATA. IATA designator changed from GB* | CH | AVCODES |
| 5705 | AGV | Air Glaciers | IATA: GB, Callsign: Alpha Golf Vict, IATA designator changed to 7T* | CH | AVCODES |
| 5706 | AGV | Air Gava, Inc. | Callsign: Air Gava, | CDN | AVCODES |
| 5707 | AGV | Air Glaciers | Callsign: Air Glaciers, Designator 7T* recalled by IATA. IATA designator changed from GB* | CH | AVCODES |
| 5708 | AGV | Air Glaciers | IATA: 7T | | ICAO1 |
| 5709 | AGVC | ATTENTION MESSENGER SERVICE INC | | | SCAC3 |
| 5710 | AGVC | A-ONE (A-1) TRUCKING SERVICE LLC | | | SCAC4 |
| 5711 | AGVI | APOLLO MESSENGER SERVICE INC | | | SCAC4 |
| 5712 | AGVL | AGO SERVICES LTD | | | SCAC3 |
| 5713 | AGVL | AGGRESSIVE TRANSPORTATION INTERNATI | | | SCAC4 |
| 5714 | AGVM | ANDERSON GOVERNMENT LOGISTICS CONSU | | | SCAC4 |
| 5715 | AGVP | ARMSTRONG PETROLEUMS LTD | | | SCAC4 |
| 5716 | AGVR | AGATE COMPANIA NAVIERA SA | | | SCAC3 |
| 5717 | AGVS | ATS LOGISTICS SERVICES INC | | | SCAC4 |
| 5718 | AGVX | Ag Valley Co-op | | USA | TRAFFIC |
| 5719 | AGW | Avia Airlines | Callsign: Avian, | ZA | AVCODES |
| 5720 | AGW | Aero Gambia | Callsign: Aero Gambia, | WAG | AVCODES |
| 5721 | AGW | Agro Airways | Callsign: Agronaut, | GR | AVCODES |
| 5722 | AGW | Aero Gambia | | | ICAO1 |
| 5723 | AGWA | AG WAREHOUSE & PACKING INC | | | SCAC4 |
| 5724 | AGWC | AGW TRUCKING INC | | | SCAC4 |
| 5725 | AGWD | ABC GREEN WORLD INC | | | SCAC4 |
| 5726 | AGWH | AG WEST INTERNATIONAL | | | SCAC4 |
| 5727 | AGWI | AGWAY INC | | | SCAC3 |
| 5728 | AGWL | ARMSTRONG, GARY WOODWINDS LTD | | | SCAC4 |
| 5729 | AGWN | ALLIED GARDENS TOWING INC | | | SCAC4 |
| 5730 | AGWP | ALEGRA MOTORSPORTS LLC | | | SCAC4 |
| 5731 | AGWS | AGEE, WM & SON | | | SCAC3 |
| 5732 | AGWS | Arriva Guilford & West Surrey | | GB | TRAFFIC |
| 5733 | AGWT | AIR & GROUND WORLD TRANSPORT | | | SCAC4 |
| 5734 | AGX | Aviogenex | IATA: JJ, Callsign: Genex, Ceased operations in Febraury 2015. ICAO callsign changed from Juliett Juliett | YU | AVCODES |
| 5735 | AGX | Aviogenex | IATA: JJ, Callsign: Juliett Juliett, ICAO callsign changed to Genex | YU | AVCODES |
| 5736 | AGX | Aviogenex | IATA: JJ | | ICAO1 |
| 5737 | AGX | The Ajax Gasoline Co. | 8/1920-7/1923 | | NAKINA |
| 5738 | AGX | A. Guthrie & Co. | 7/1937-4/1961 (not listed) | | NAKINA |
| 5739 | AGX | A. Guthrie & Co. | 1/52-4/61 | | NRHS |
| 5740 | AGX | *AJAX GASOLINE CO. | | | PWRC |
| 5741 | AGX | *A. GUTHRIE & CO. | | | PWRC |
| 5742 | AGX | *THE ALBERTA & GREAT WATERWAYS RAILROAD (NORTHERN ALBERTA RYS. CO.) | | | PWRC |
| 5743 | AGXA | ATLANTIC CARGO TRANSPORT LLC | | | SCAC4 |
| 5744 | AGXB | AG TRANSPORTS INC | | | SCAC4 |
| 5745 | AGXD | AG EXPRESS INC | | | SCAC4 |
| 5746 | AGXF | AIRCARGO TRANSPORT CFS | | | SCAC4 |
| 5747 | AGXG | ATG LOGISTICS | | | SCAC4 |
| 5748 | AGXI | AQUA GULF XPRESS INC | | | SCAC4 |
| 5749 | AGXJ | AGA TRANSPORT | | | SCAC4 |
| 5750 | AGXK | AGXP TRUCKING LLC | | | SCAC4 |
| 5751 | AGXO | ALVARADO, G TRANSPORTATION | | | SCAC4 |
| 5752 | AGXP | AIR GROUND XPRESS INC | | | SCAC4 |
| 5753 | AGXQ | ARGAMAN TRANSPORT INC | | | SCAC4 |
| 5754 | AGXS | AGM TRANSPORT | | | SCAC4 |
| 5755 | AGXU | AMA-ASSOCIATED MARITIME AGENCIES LT | | | SCAC4 |
| 5756 | AGXW | AGXH TRUCKING LLC | | | SCAC4 |
| 5757 | AGXY | AMERICAS CARGO EXPRESS | | | SCAC4 |
| 5758 | AGY | Aero Flight Service, Inc. | Callsign: Flight Group, | USA | AVCODES |
| 5759 | AGY | Aeroguayacan | Callsign: Aeroguayacan, | RCH | AVCODES |
| 5760 | AGY | Air Go Egypt | IATA: EO, Callsign: Egyptian Bird, Designator EO recalled by IATA | ET | AVCODES |
| 5761 | AGY | Air Go Egypt | Callsign: Egyptian Bird, Designator EO recalled by IATA | ET | AVCODES |
| 5762 | AGY | Aero Flight Service | | | ICAO1 |
| 5763 | AGYC | AGILITY LOGISTICS CORP | | | SCAC4 |
| 5764 | AGYI | AFRICAN GLORY SHIPPING LTD | | | SCAC4 |
| 5765 | AGYP | AG TRANSPORT INC | | | SCAC4 |
| 5766 | AGYQ | ANGUYTA SHIPPING CO. LTD. | | | SCAC3 |
| 5767 | AGYT | AUSSIEKER, GARY TRUCKING | | | SCAC3 |
| 5768 | AGYW | ABLE GLORY SHIPPING LTD | | | SCAC4 |
| 5769 | AGYX | Centex Construction Products, Inc., d/b/a American Gypsum Co. | 7/2000-7/2005 (not listed) | | NAKINA |
| 5770 | AGYX | Centex Construction Products, Inc., d/b/a American Gypsum Co. | Jul-00 | | NRHS |
| 5771 | AGYX | CENTREX CONSTRUCTION PRODUCTS (AMERICAN GYPSUM CO.) | | | PWRC |
| 5772 | AGYX | American Gypsum (Centrex Construction Products) | | | RSRV |
| 5773 | AGYX | AMERICAN GYPSUM COMPANY | | | SCAC4 |
| 5774 | AGZ | Agrolet-Mci Ltd. | Callsign: Agrolet, | SK | AVCODES |
| 5775 | AGZ | Agrolet-Mci | | | ICAO1 |
| 5776 | AGZC | AG CENTRAL | | | SCAC4 |
| 5777 | AGZF | AVIATION GROUND FUELING TECHNOLOGIE | | | SCAC4 |
| 5778 | AH | Air Algerie | ICAO: DAH, Callsign: Air Algerie, IATA Prefix: 124, | DZ | AVCODES |
| 5779 | AH | Airhub Airlines Limited | ICAO: GJM, Callsign: Airhub, IATA Prefix: 521, IATA Designator changed to RE. | M | AVCODES |
| 5780 | AH | ALASKA HYDRO TRAIN | | | PWRC |
| 5781 | AH | Atlas Baumachinen GmbH & Co | | DE | VKM |
| 5782 | AHA | Air Alpha Greenland A/S | IATA: GD, Callsign: Air Alpha, Designator GD recalled by IATA | GRO | AVCODES |
| 5783 | AHA | Air Alpha A/S | Callsign: Air Alpha, Name changed from Air Alpha Greenland A/S | GRO | AVCODES |
| 5784 | AHA | Air Alpha Greenland | IATA: GD | | ICAO1 |
| 5785 | AHAE | ALTENDORF HARVESTING | | | SCAC4 |
| 5786 | AHAG | ARCHANGEL AIR CARGO INC | | | SCAC4 |
| 5787 | AHAH | AMC HAULING | | | SCAC4 |
| 5788 | AHAI | AHA INC | | | SCAC3 |
| 5789 | AHAI | AH TRANSFERS & CARTAGE INC | | | SCAC4 |
| 5790 | AHAK | ALOHA TRUCKING | | | SCAC4 |
| 5791 | AHAO | ALTAMAHA OIL | | | SCAC4 |
| 5792 | AHAP | ALPHA EXPLOSIVES | | | SCAC4 |
| 5793 | AHAR | ARROCHAR FUEL CORPORATION | | | SCAC4 |
| 5794 | AHAS | A & H TRUCKING & SHIPPING | | | SCAC4 |
| 5795 | AHAW | ASC HAULING | | | SCAC4 |
| 5796 | AHB | Aerolineas de Honduras, S.A. (AEHSA) | | HN | AVCODES |
| 5797 | AHB | Air Alboran S.L. | Callsign: Alhambra, Ceased operations | E | AVCODES |
| 5798 | AHB | Aalborg - Hvalpsund Jernbane (Hvalpsundbanen) | 1910 - 1969 | DK | jernbanen.dk |
| 5799 | AHB | Aalborg - Hvalpsund Jernbane (Hvalpsundbanen) | 1910 - 1969 | DK | TRAFFIC |
| 5800 | AHBC | APOLLO HEALTH AND BEAUTY CARE | | | SCAC4 |
