| 5801 | AHBS | AHBM SYSTEMS INC | | | SCAC4 |
| 5802 | AHBX | Brown Chemical Co., Inc. | added 4/1975; eliminated 7/1978 | | NAKINA |
| 5803 | AHBX | Brown Chemical Co., Inc. | added 4/75; eliminated 7/78 | | NRHS |
| 5804 | AHBX | BROWN CHEMICAL CO. | | | PWRC |
| 5805 | AHBZ | ANHEUSER BUSCH | | | PWRC |
| 5806 | AHC | Cargo Airline of the State Concern Azerbaijan Hava | Callsign: Azalviacargo, Name changed from Azalaviacargo | AZ | AVCODES |
| 5807 | AHC | Azalaviacargo | Callsign: Azalaviacargo, Name changed to Cargo Airline of the State Concern Azerbaijan Hava | AZ | AVCODES |
| 5808 | AHC | Air Hawaii | Callsign: Air Hawaii, | USA | AVCODES |
| 5809 | AHC | Azal Avia Cargo | | | ICAO1 |
| 5810 | AHCA | ALBRIGHT, C A & SONS LLC | | | SCAC4 |
| 5811 | AHCE | ATLANTIC HEATING CO INC | | | SCAC4 |
| 5812 | AHCF | AAA HOMETOWN CLIFTON RELIABLE MOVIN | | | SCAC3 |
| 5813 | AHCF | ABRASH ENTERPRISES INC | | | SCAC4 |
| 5814 | AHCG | A & H CARTAGE CO | | | SCAC3 |
| 5815 | AHCG | A AND H CARTAGE INC | | | SCAC4 |
| 5816 | AHCH | ACTION CHARTER COACHES | | | SCAC3 |
| 5817 | AHCI | ALLISON SHIPPING INTERNATIONAL INC | | | SCAC4 |
| 5818 | AHCJ | AHRENS, CJ TRUCKING | | | SCAC4 |
| 5819 | AHCL | ARTEMISSION SHIPPING CO LTD | | | SCAC3 |
| 5820 | AHCO | ANCHOR HOCKING CORP | | | SCAC3 |
| 5821 | AHCQ | ALSTOM HYDRO CANADA INC | | | SCAC4 |
| 5822 | AHCR | AMERADA HESS CORP & SUBSIDIARIES | | | SCAC3 |
| 5823 | AHCS | ARROWHEAD COURIER SYSTEM INC | | | SCAC3 |
| 5824 | AHCT | ALOHA CARGO TRANSPORT (DIV OF NORTH | | | SCAC4 |
| 5825 | AHCV | AR HAULING CORP | | | SCAC4 |
| 5826 | AHCW | ALLECTO HOLDING CORPORATION | | | SCAC4 |
| 5827 | AHCX | The PCS Phosphate Co. | added 7/2006 | | NAKINA |
| 5828 | AHCX | Arcadian Corp. | added 10/1984; 1/1985-7/2005; eliminated 7/2006 | | NAKINA |
| 5829 | AHCX | Ansbacher-Hagerstown Chemical Corp. | 7/1937 (not listed); 4/1938 | | NAKINA |
| 5830 | AHCX | Ansbacher-Hagerstown Chemical Corp. | Apr-38 | | NRHS |
| 5831 | AHCX | Arcadian Corp. | added 10/84; 1/94-7/2000 | | NRHS |
| 5832 | AHCX | *ANSBACHER-HAGERSTOWN CHEMICAL CORP. | | | PWRC |
| 5833 | AHCX | +THE PCS PHOSPHATE CO. [ARCADIAN CORPORATION] | | | PWRC |
| 5834 | AHCX | Arcadian Corporation | | | RSRV |
| 5835 | AHCX | PCS PHOSPHATE COMPANY INC | | | SCAC4 |
| 5836 | AHD | Czech Air Handling | Callsign: Airhandling, | CZ | AVCODES |
| 5837 | AHD | Air Holland | IATA: HD, Callsign: Air Holland, Founded in 1984. Commenced operations in 1985. Suspended all operations in December 1991. ICAO callsign changed to Orange | NL | AVCODES |
| 5838 | AHD | Air Holland | IATA: HD, Callsign: Orange, Founded in 1984. Commenced operations in 1985. Suspended all operations in December 1991. ICAO callsign changed from Air Holland | NL | AVCODES |
| 5839 | AHD | Czech Air Handling | | | ICAO1 |
| 5840 | AHD | Rail system s.r.o | | CZ | VKM |
| 5841 | AHDC | ALMACEN HIDRAULICO DEL NORTE S A D | | | SCAC4 |
| 5842 | AHDI | AMERICAN HIGH DESERT INDUSTRIES INC | | | SCAC3 |
| 5843 | AHDN | ASH, DAN TRUCKING INC | | | SCAC4 |
| 5844 | AHDS | AUSTON, H D & SON MOVING & STORAGE | | | SCAC3 |
| 5845 | AHDT | ANCHOR D RANCH SIMMENTALS | | | SCAC4 |
| 5846 | AHE | Airport Helicopter Basel, Muller & Co. | Callsign: Airport Helicopter, Name changed to Airport Helicopter Basel AHB AG. | CH | AVCODES |
| 5847 | AHE | Airport Helicopter Basel AHB AG | Callsign: Airport Helicopter, Name changed from Airport Helicopter Basel, Muller & Co. | CH | AVCODES |
| 5848 | AHE | Airport Helicopter Basel, Muller & Co. | | | ICAO1 |
| 5849 | AHEA | ASSOCIATED HEAT INC | | | SCAC4 |
| 5850 | AHEB | ALL HOURS ENERGY | | | SCAC4 |
| 5851 | AHED | AMERICAN STEP AHEAD EXPRESS INC | | | SCAC4 |
| 5852 | AHEF | AMERICAN HIGHWAY EXPRESS INC | | | SCAC4 |
| 5853 | AHEG | ALEXANDERS, H ENT INC | | | SCAC4 |
| 5854 | AHEH | AMERICAN HEAVY EQUIPMENT & HAULING | | | SCAC3 |
| 5855 | AHEI | ANGELS HALO EXPRESS INC | | | SCAC4 |
| 5856 | AHEJ | A & H EXPRESS INC | | | SCAC4 |
| 5857 | AHEK | AHE TRUCKING LLC | | | SCAC4 |
| 5858 | AHEM | APACHE MOVING & STORAGE COMPANY | | | SCAC3 |
| 5859 | AHEM | APACHE MOVING & STORAGE CO INC | | | SCAC4 |
| 5860 | AHEN | AHENAKEW, EDWARD L | | | SCAC3 |
| 5861 | AHEN | ALMA SHIPMANAGEMENT SA OF PANAMA | | | SCAC4 |
| 5862 | AHEO | APACHE INC | | | SCAC4 |
| 5863 | AHEP | ARCE, HECTOR | | | SCAC4 |
| 5864 | AHER | ANOTHER CHOICE INC | | | SCAC3 |
| 5865 | AHER | AUTOTRANSPORTES HERZIG | | | SCAC4 |
| 5866 | AHES | A & H EXPEDITING SERVICE INC | | | SCAC4 |
| 5867 | AHET | ALL AMERICAN HOTSHOT LLC | | | SCAC4 |
| 5868 | AHEU | AIRLIFE GASES PRIVATE LIMITED | | IND | BIC |
| 5869 | AHF | Aspen Helicopters, Inc. | Callsign: Aspen, | USA | AVCODES |
| 5870 | AHF | Aspen Helicopters | | | ICAO1 |
| 5871 | AHFC | ALPHA FREIGHTLINES LLC | | | SCAC4 |
| 5872 | AHFI | ASHLEY FUEL INC | | | SCAC4 |
| 5873 | AHFM | AMERICAN HOU-FAST MOVING & STORAGE | | | SCAC3 |
| 5874 | AHFM | AHNER, JOHN EXPRESS INC | | | SCAC4 |
| 5875 | AHFN | AERNI & HITZEL FUEL INC | | | SCAC4 |
| 5876 | AHFP | AMERICAN HOME FURNITURE PLACEMENT I | | | SCAC3 |
| 5877 | AHFS | AUNTHILL FARMS | | | SCAC4 |
| 5878 | AHG | Aerochago Airlines SA | Callsign: Aerochago, | DOM | AVCODES |
| 5879 | AHG | Aerochago Airlines | | | ICAO1 |
| 5880 | AHG | AHG Handel & Logistik GmbH & Co.KG | Cottbus (AHG = Außenhandelsgesellschaft) | D | privat-bahn.de |
| 5881 | AHG | AHG Handel & Logistik GmbH | | D | TRAFFIC |
| 5882 | AHG | AHG Handel & Logistik GmbH | | DE | VKM |
| 5883 | AHGC | ALPHA GLOBAL CARGO INC | | | SCAC4 |
| 5884 | AHGD | A S A P HIGH GEAR DELIVERY | | | SCAC4 |
| 5885 | AHGF | ACTION HOUSEHOLD GOODS FORWARDERS I | | | SCAC3 |
| 5886 | AHGF | ACTION HOUSEHOLD GOODS FORWARDERS I | | | SCAC4 |
| 5887 | AHGI | ANDERSON HAY & GRAIN CO INC | | | SCAC3 |
| 5888 | AHGI | ANDERSON HAY & GRAIN CO INC | | | SCAC4 |
| 5889 | AHGL | ARCHER LOGISTICS LTD | | | SCAC4 |
| 5890 | AHGM | ARCHIPELGAGO FARMS | | | SCAC4 |
| 5891 | AHGN | ASCENDENT TECHNOLOGY GROUP INC | | | SCAC4 |
| 5892 | AHGR | ALM HILL GARDENS | | | SCAC4 |
| 5893 | AHGS | AIRGAS MERCHANT GASES LLC | | | SCAC4 |
| 5894 | AHGU | AL GHAITH INDUSTRIES L.L.C | | UAE | BIC |
| 5895 | AHH | Airplanes Holdings Ltd. | Callsign: Airhold, | IRL | AVCODES |
| 5896 | AHH | Airplanes Holdings | | | ICAO1 |
| 5897 | AHHA | ART HEAVY HAUL INC | | | SCAC4 |
| 5898 | AHHC | ANGELS HEAVY HAULING LLC | | | SCAC4 |
| 5899 | AHHL | ALPHA HEAVY HAUL | | | SCAC4 |
| 5900 | AHHO | ALTA CEDAR SHORTHORNS | | | SCAC4 |
