| 7901 | ALNX | Alberta Government | | CDN | TRAFFIC |
| 7902 | ALNY | ATLANTIC OIL CO INC | | | SCAC4 |
| 7903 | ALO | Allegheny Commuter Airlines, Inc. d/b/a USAirways Express | IATA: US, Callsign: Allegheny, Name changed from Allegheny Commuter Airlines, Inc. dba USAir Express. Ceased operations. | USA | AVCODES |
| 7904 | ALO | Allegheny Commuter Airlines, Inc. d/b/a USAir Express | IATA: US, Callsign: Allegheny, IATA Designator changed from AL | USA | AVCODES |
| 7905 | ALO | Allegheny Commuter Airlines, Inc. d/b/a USAir Express | IATA: US, Callsign: Allegheny, Name changed to Allegheny Commuter Airlines, Inc. dba USAirways Express | USA | AVCODES |
| 7906 | ALO | Allegheny Commuter Airlines, Inc. d/b/a USAir Express | IATA: AL, Callsign: Allegheny, IATA Designator changed to US | USA | AVCODES |
| 7907 | ALO | Allegheny Airlines, Inc. | IATA: AL, Callsign: Allegheny, Name changed to Allegheny Commuter Airlines, Inc. d/b/a USAir Express in 1979. | USA | AVCODES |
| 7908 | ALO | Air Lorient | | F | AVCODES |
| 7909 | ALO | Allegheny Commuter Airlines | | | ICAO1 |
| 7910 | ALOA | AUTOBUS LEO AUGER INC | | | SCAC3 |
| 7911 | ALOB | ALO NORTH AMERICA | | | SCAC4 |
| 7912 | ALOC | ALOHOA CARTING INC | | | SCAC3 |
| 7913 | ALOD | ALL MODES TRANSPORTATION CONSULTANT | | | SCAC3 |
| 7914 | ALOE | ALROD INTERNATIONAL INC | | | SCAC3 |
| 7915 | ALOE | AMAC LOGISTICS LLC | | | SCAC4 |
| 7916 | ALOE | Ing. De Aloe Costruzioni S.r.l., Brescia | | I | TRAFFIC |
| 7917 | ALOG | ALPHA-OMEGA LINE INC | | | SCAC3 |
| 7918 | ALOG | ALL-LOGISTICS LLC | | | SCAC4 |
| 7919 | ALOH | ALOHA PETROLEUM LTD | | | SCAC4 |
| 7920 | ALOI | AUTOLOG INC | | | SCAC4 |
| 7921 | ALOJ | AIR LAND OCEAN INTERNATIONAL SERVIC | | | SCAC3 |
| 7922 | ALOK | ACTIVE LOGISTICS INC | | | SCAC4 |
| 7923 | ALOL | ADMIRAL LOGISTICS | | | SCAC4 |
| 7924 | ALOM | ALLOYS & METALS TRANSPORTATION INC | | | SCAC3 |
| 7925 | ALOM | ALGOMA TANKERS | | | SCAC4 |
| 7926 | ALON | ALTON CARTAGE INC | | | SCAC3 |
| 7927 | ALOO | A L O TRANSPORTATION | | | SCAC3 |
| 7928 | ALOR | ADVANCED LOGISTICS INC | | | SCAC4 |
| 7929 | ALOS | ALLONS TRUCKING COMPANY INC | | | SCAC3 |
| 7930 | ALOS | ALSG | | | SCAC4 |
| 7931 | ALOT | ALCO TRANSPORTATION INC | | | SCAC4 |
| 7932 | ALOU | AIR LIQUIDE MARITIME SAS | | F | BIC |
| 7933 | ALOV | ALOE VERA OF AMERICA INC | | | SCAC4 |
| 7934 | ALOW | ALOHA WORLDWIDE FORWARDERS INC | | | SCAC3 |
| 7935 | ALOX | Alberta Linseed Oil Co., Ltd. | 7/1937-10/1957; eliminated 10/1959; added 4/1961; 4/1961; 7/1965 (not listed); eliminated 7/1965 | | NAKINA |
| 7936 | ALOX | Alberta Linseed Oil Co., Ltd. | 4/38-10/57; eliminated 10/59; added 4/61; 4/61-7/65; eliminated 7/65 | | NRHS |
| 7937 | ALOX | ALBERTA LINSEED OIL CO., LTD. | | | PWRC |
| 7938 | ALOY | ANDERSON, LEROY | | | SCAC3 |
| 7939 | ALP | Alpliner AG | Callsign: Alpliner, | CH | AVCODES |
| 7940 | ALP | Société Air Alpes | IATA: LP, Merged into TAT | F | AVCODES |
| 7941 | ALP | Allpoints Jet Co., Ltd. | Callsign: Allpoints, | PRC | AVCODES |
| 7942 | ALP | Alpliner AG | | | ICAO1 |
| 7943 | ALPA | ALPHA OMEGA TRANSPORT INC | | | SCAC3 |
| 7944 | ALPD | ALLSTATE TRANSPORT INC | | | SCAC3 |
| 7945 | ALPE | A LAWN POINT ENTERPRISES LIMITED | | | SCAC4 |
| 7946 | ALPE | Autobusowe Linie Prywatne, sp. z o.o. | City: Elbląg | PL | TRAFFIC |
| 7947 | ALPF | ATLANTIC-PACIFIC-GULF TRANSPORT CO | | | SCAC3 |
| 7948 | ALPG | ALSIP TRUCKING CO | | | SCAC3 |
| 7949 | ALPG | ALBINI & PITIGLIANI SPA | | | SCAC4 |
| 7950 | ALPH | ALPHA CARGO MOTOR EXPRESS INC | | | SCAC3 |
| 7951 | ALPHA | Alpha Rail Team GmbH& Co.Kg | | DE | VKM |
| 7952 | ALPI | ALL POINTS MOVING & STORAGE INC | | | SCAC3 |
| 7953 | ALPI | ALPI USA INC | | | SCAC4 |
| 7954 | ALPICO | Alpico Kotsu Co., Ltd | Alpico Kotsu Co., Ltd. is a public transport company in Nagano Prefecture, Japan. It is the core company of Alpico Group and is wholly owned by Alpico Holdings Co., Ltd. The company was known as Matsumoto Electric Railway Co., Ltd. (Matsumoto Denki-tetsudo Kabushiki-gaisha) until its merger with two affiliate companies on April 1, 2011 | J | TRAFFIC |
| 7955 | ALPIN | Alpine Bau GmbH | | AT | VKM |
| 7956 | ALPJ | ALLCARGO GLOBAL LOGISTICS LTD | | | SCAC4 |
| 7957 | ALPL | ALL POINTS LOGISTICS INC | | | SCAC4 |
| 7958 | ALPM | ALL POINTS MOVING & STORAGE | | | SCAC3 |
| 7959 | ALPM | ALPINE CARRIERS LLC | | | SCAC4 |
| 7960 | ALPN | ALL PRO NC | | | SCAC4 |
| 7961 | ALPO | ALEXANDER, D L TRUCKING | | | SCAC3 |
| 7962 | ALPP | ALL POINTS LOGISTICS INC | | | SCAC4 |
| 7963 | ALPQ | AAA LOOP OFFICE FURNITURE MOVERS & | | | SCAC3 |
| 7964 | ALPR | ALL PRO FREIGHT CARRIERS INC | | | SCAC4 |
| 7965 | ALPS | ALPINE TRANSPORTATION CO INC | | | SCAC3 |
| 7966 | ALPS | ALPHA PETROLEUM TRANSPORT INC | | | SCAC4 |
| 7967 | ALPT | ALPERT, PHILIP L MOVING & STORAGE C | | | SCAC3 |
| 7968 | ALPT | ADVENTURER LP | | | SCAC4 |
| 7969 | ALPU | AIR LIQUIDE FRANCE INDUSTRIE | | F | BIC |
| 7970 | ALPU | L'AIR LIQUIDE | | | SCAC3 |
| 7971 | ALPU | AIR LIQUIDE ELECTRONICS MATERIALS | | | SCAC4 |
| 7972 | ALPV | ALPINE-DART MOVING INC | | | SCAC3 |
| 7973 | ALPW | ALBANY PARK-WAGNERS INC | | | SCAC3 |
| 7974 | ALPX | Alberta Government | added 1/81; 1/1985-7/2005 | | NAKINA |
| 7975 | ALPX | Allen Packing Co., A Division of Food Fair Stores, Inc. | added 7/1967; 4/1970-1/1980; eliminated 4/1980 | | NAKINA |
| 7976 | ALPX | Allen Packing Co., A Division of Food Fair Stores, Inc. | added 7/67; 4/70-1/80; eliminated 4/80 | | NRHS |
| 7977 | ALPX | Alberta Government | added 1/81; 1/94-7/2000 | | NRHS |
| 7978 | ALPX | *ALLEN PACKING CO., DIV. OF FOOD FAIR STORES, INC. | | | PWRC |
| 7979 | ALPX | +ALBERTA GOVERNMENT | | | PWRC |
| 7980 | ALPX | Alberta Government | | | RSRV |
| 7981 | ALPX | ALBERTA GOVERNMENT, THE | | | SCAC4 |
| 7982 | ALPX | Alberta Government | | CDN | TRAFFIC |
| 7983 | ALPZ | ALLIED PAPER COMPANY | | | PWRC |
| 7984 | ALQ | Altair Aviation (1986) Ltd. | Callsign: Altair, | CDN | AVCODES |
| 7985 | ALQ | Alanna Limited Trust Distribution | Callsign: Alanna, | UA | AVCODES |
| 7986 | ALQ | Altair Aviation (1986) | | | ICAO1 |
| 7987 | ALQA | ALERT AUTO TRANSPORT INC | | | SCAC3 |
| 7988 | ALQB | ALBANY MARINE INC. | | | SCAC3 |
| 7989 | ALQD | ALMAC DELIVERY SERVICE | | | SCAC3 |
| 7990 | ALQD | ANGELIC LUXURY COACH INC | | | SCAC4 |
| 7991 | ALQF | ALL STATES FREIGHT SYSTEMS, INC | | | SCAC3 |
| 7992 | ALQF | ALL STATES FREIGHT SYSTEMS INC | | | SCAC4 |
| 7993 | ALQG | ALLIANCE SHIPPING GROUP | | | SCAC3 |
| 7994 | ALQG | ALLIANCE SHIPPING GROUP | | | SCAC4 |
| 7995 | ALQH | ALDO SHIPPING COMPANY, LTD. | | | SCAC3 |
| 7996 | ALQI | ALPHA TRANSPORT INC | | | SCAC3 |
| 7997 | ALQI | ALPHA TRANSPORT INC | | | SCAC4 |
| 7998 | ALQJ | ANDERSON LOGISTICS SOLUTIONS INC | | | SCAC4 |
| 7999 | ALQK | ATLAS TRUCKING COMPANY LLC | | | SCAC4 |
| 8000 | ALQL | ATLANTIS LINE LTD | | | SCAC3 |
