| 1 | AE | Mandarin Airlines Ltd. | ICAO: MDA, Callsign: Mandarin, IATA Prefix: 803, | RC | AVCODES |
| 2 | AE | Air Europe | ICAO: AOE, Callsign: Air Europe, Ceased operations on 08 March 1991. IATA Code changed from EB | GB | AVCODES |
| 3 | AE | Air Ceylon Ltd. | Callsign: Aircelylon, | CL | AVCODES |
| 4 | AE | Air Europe | ICAO: AEL, Callsign: Air Europe, Ceased operations on 08 March 1991. IATA Code changed from EB | GB | AVCODES |
| 5 | AE | Arizona Eastern R.R. Co. (Southern Pacific Lines West of Portland, Ogden, El Paso and Tucumcari) | 7/1930-7/1932 | | NAKINA |
| 6 | AE | Arizona Eastern R.R. Co. | 8/1920-7/1923 | | NAKINA |
| 7 | AE | Arizona Eastern R.R. Co. | 23-Jul | | NRHS |
| 8 | AE | ARIZONA EASTERN RAILROAD (SOUTHERN PACIFIC LINES WEST OF PORTLAND, OGDEN, EL PASO & TUCUMCARI) | | | PWRC |
| 9 | AE | Arizona Eastern Railroad | | | RSRV |
| 10 | AE | Alpine-Energie Österreich GmbH | | AT | VKM |
| 11 | AEA | Air Europa Lineas Aereas, S.A. | IATA: UX, Callsign: Europa, IATA Prefix: 996, | E | AVCODES |
| 12 | AEA | Air Europa | IATA: DQ, | E | AVCODES |
| 13 | AEA | Air Europa | IATA: UX | | ICAO1 |
| 14 | AEA | Air Europa | | E | TRAFFIC |
| 15 | AEAA | AERO RECIP (CANADA) LTD | | | SCAC4 |
| 16 | AEAB | AMERICAN CAB | | | SCAC3 |
| 17 | AEAB | ADAWN EXPRESS INC | | | SCAC4 |
| 18 | AEAC | AMTEA CORP | | | SCAC3 |
| 19 | AEAD | AREA DELIVERY SERVICE INC | | | SCAC3 |
| 20 | AEAD | ALAMOSA TRUCK BROKERS INC | | | SCAC4 |
| 21 | AEAE | ALLIANCE EXCAVATING AND DEMOLITION | | | SCAC4 |
| 22 | AEAF | AEROSPACE AIR FREIGHT INC | | | SCAC3 |
| 23 | AEAF | ANDYS SPEED SHOP | | | SCAC4 |
| 24 | AEAG | ACE LEASING & TRANSPORTATION CO | | | SCAC3 |
| 25 | AEAG | AUTO EXPRESS AGUILA SA DE CV | | | SCAC4 |
| 26 | AEAI | ACTION TRANSPORT BROKERAGE | | | SCAC4 |
| 27 | AEAJ | AG EXPRESS TRUCKING | | | SCAC4 |
| 28 | AEAK | AIR EXCURSIONS LLC | | | SCAC4 |
| 29 | AEAL | AMERICAN EAGLE LINES | | | SCAC3 |
| 30 | AEAL | AMERICAN EAGLE LINES | | | SCAC4 |
| 31 | AEAN | AIR SEA TRANSPORT INC | | | SCAC3 |
| 32 | AEAN | AIR SEA TRANSPORT INC | | | SCAC4 |
| 33 | AEAO | ANTLER TRANSPORT INC | | | SCAC4 |
| 34 | AEAP | ALLENS AUTOMOTIVE TRANSPORT | | | SCAC3 |
| 35 | AEAP | ABOVE & BEYOND COURIER INC | | | SCAC4 |
| 36 | AEAQ | ARNETT, ELLIS D & ALAN N | | | SCAC3 |
| 37 | AEAR | A ACCESS TO AMERICA TRANSPORTATION | | | SCAC3 |
| 38 | AEAS | ARENA A R ASSOCIATES | | | SCAC3 |
| 39 | AEAT | ADVENTURE ENTERPRISES TRANSPORTATIO | | | SCAC4 |
| 40 | AEAW | ARW ENTERPRISES INC | | | SCAC4 |
| 41 | AEAX | A.E. Adamson Co. | 7/1935-7/1936 | | NAKINA |
| 42 | AEAY | ACORN ENGINEERING COMPANY | | | SCAC4 |
| 43 | AEB | Arctic | IATA: IL, Callsign: Air Arctic, | IS | AVCODES |
| 44 | AEB | Aero Benin S.A. | IATA: EM, Callsign: Aeroben, Designator EM* recalled by IATA | DY | AVCODES |
| 45 | AEB | Aero Benin | IATA: EM | | ICAO1 |
| 46 | AEB | ALLSTATE BUS COMPANY INC | | | SCAC4 |
| 47 | AEBA | ASI EXPRESS LTD | | | SCAC4 |
| 48 | AEBF | AAA MOVING & STORAGE INC | | | SCAC4 |
| 49 | AEBG | AIRCRAFT ENGINE BUSINESS GROUP (DIV | | | SCAC3 |
| 50 | AEBH | AMERITECH ENVIRONMENTAL SERVICES IN | | | SCAC4 |
| 51 | AEBK | ATEC INC | | | SCAC3 |
| 52 | AEBM | ARTANN EXPRESS INC | | | SCAC4 |
| 53 | AEBN | ADVANCED LIGHTING SYSTEMS INC | | | SCAC4 |
| 54 | AEBQ | AMERICAN EQUIPMENT SALES INC | | | SCAC4 |
| 55 | AEBU | ATOMIC ENERGY BOARD (NUCLEAR DEVEL. | | | SCAC3 |
| 56 | AEBW | AERO BONDED WAREHOUSE INC | | | SCAC4 |
| 57 | AEC | Aerocesar, Aerovias Del Cesar | Callsign: Aerocesar, | CO | AVCODES |
| 58 | AEC | Aeroservicios de Almeria 2000, S.L. | | E | AVCODES |
| 59 | AEC | Aerocesar, Aerovias Del Cesar | | | ICAO1 |
| 60 | AEC | Atlantic and East Carolina Ry. Co. | 1/1941-1/1975; eliminated 4/1978; 1/1980-7/2005 | | NAKINA |
| 61 | AEC | Atlantic and East Carolina Ry. Co. | 1/52-1/75; eliminated 4/78; 1/80-7/2000 | | NRHS |
| 62 | AEC | ATLANTIC & EAST CAROLINA RWY. | | | PWRC |
| 63 | AEC | Atlantic and East Carolina Railway | | | RSRV |
| 64 | AEC | ATLANTIC AND EAST CAROLINA RAILWAY | | | SCAC4 |
| 65 | AEC | Associated Equipment Company | | GB | TRAFFIC |
| 66 | AECA | AMERICAN HOUSEHOLD GOODS BROKERS IN | | | SCAC4 |
| 67 | AECB | A & E CHARTER BUS SERVICE LTD | | | SCAC3 |
| 68 | AECB | AMERICAN FRONTIER TRUCK LINES | | | SCAC4 |
| 69 | AECC | ARKANSAS ELECTRIC CO. | | | PWRC |
| 70 | AECD | AMERICAN CONSOLIDATORS INC | | | SCAC3 |
| 71 | AECE | ATLANTIC FUEL INC | | | SCAC4 |
| 72 | AECG | AERO CARGO INC | | | SCAC3 |
| 73 | AECH | ANDRES EXPRESS CORP | | | SCAC4 |
| 74 | AECJ | A E CONSOLIDATED INC | | | SCAC3 |
| 75 | AECK | ACE COURIER | | | SCAC3 |
| 76 | AECL | ALLEN, C L TRUCKING | | | SCAC3 |
| 77 | AECL | ALLEN, C L TRUCKING | | | SCAC4 |
| 78 | AECM | AMERICAN CLEANING & MAINTENANCE ENT | | | SCAC3 |
| 79 | AECM | AMERICAN CLEANING & MAINTENANCE ENT | | | SCAC4 |
| 80 | AECN | AERO CORPORATION | | | SCAC3 |
| 81 | AECN | ANDERSON EXPRESS | | | SCAC4 |
| 82 | AECO | AMERICAN ENVIRONMENTAL CONTAINER CO | | | SCAC4 |
| 83 | AECP | AMERICAN EXCAVATING CORP | | | SCAC4 |
| 84 | AECQ | ATEC SYSTEMS LTD | | | SCAC3 |
| 85 | AECQ | ATEC TRANSPORTATION LLC | | | SCAC4 |
| 86 | AECR | AGRICOLA EL CONSUELO | | | SCAC4 |
| 87 | AECR | Atlantic and East Carolina Ry. Co. | | USA | TRAFFIC |
| 88 | AECT | AMERICAN TRANSPORT DIV | | | SCAC3 |
| 89 | AECT | ACE BORDER SOLUTIONS LLC | | | SCAC4 |
| 90 | AECU | AE & CI LTD | | | SCAC3 |
| 91 | AECU | SOUTH AFRICAN NUCLEAR ENERGY CORP, | | | SCAC4 |
| 92 | AECV | AMERI-CAN AUTO TRANSPORT INC | | | SCAC3 |
| 93 | AECV | ADVANCED FREIGHT BROKERS LLC | | | SCAC4 |
| 94 | AECX | Associated Electric Cooperative, Inc. | added 10/1994; 7/2000-7/2005 | | NAKINA |
| 95 | AECX | American Extract Co. | 7/1930-10/1957; eliminated 10/1959 | | NAKINA |
| 96 | AECX | American Extract Co. | 4/38-10/57; eliminated 10/59 | | NRHS |
| 97 | AECX | Associated Electric Cooperative, Inc. | added 10/94; 7/2000 | | NRHS |
| 98 | AECX | *AMERICAN EXTRACT CO. | | | PWRC |
| 99 | AECX | +ASSOCIATED ELECTRIC COOPERATIVE, INC. | | | PWRC |
| 100 | AECX | Associated Electric Cooperative | | | RSRV |
