| 2701 | ACSL | ACE SALES | | | SCAC4 |
| 2702 | ACSO | ACTION SERVICE INC | | | SCAC3 |
| 2703 | ACSO | ACS TRANSPORTATION LLC | | | SCAC4 |
| 2704 | ACSP | ACME TRADING & SUPPLY CO | | | SCAC3 |
| 2705 | ACSP | ALL COMMODITIES TRANSPORT LLC | | | SCAC4 |
| 2706 | ACSQ | A C S DELIVERY SERVICE | | | SCAC3 |
| 2707 | ACSR | ALLIED CONTAINER SERVICE INC | | | SCAC3 |
| 2708 | ACSS | ACCESS TRANSPORTATION LTD | | | SCAC4 |
| 2709 | ACST | ATLANTIC TRUCKING EXPRESS INC | | | SCAC3 |
| 2710 | ACSU | Commonwealth Independent States Navigation (2019) Inc | | CDN | BIC |
| 2711 | ACSU | ATLANTIC CARGO SERVICES | | | PWRC |
| 2712 | ACSU | Atlantic Cargo Services, AB | | | RSRV |
| 2713 | ACSU | ATLANTIC CARGO SERVICES | | | SCAC3 |
| 2714 | ACSU | COMMONWEALTH INDEPENDENT STATES NAV | | | SCAC4 |
| 2715 | ACSV | ACTION COURIER SERVICES INC | | | SCAC4 |
| 2716 | ACSX | Honeywell International, Inc. | added 7/2000; 7/2000-7/2005 | | NAKINA |
| 2717 | ACSX | AlliedSignal Inc. | added 1/1999; eliminated 7/2000 | | NAKINA |
| 2718 | ACSX | First Union Properties, Inc. | added 10/1964; 7/1965-1/1994; eliminated 1/1999 | | NAKINA |
| 2719 | ACSX | Allied Chemical Corp. | added 10/1963; eliminated 10/1964 | | NAKINA |
| 2720 | ACSX | First Union Properties, Inc. | 7/65-1/94; eliminated 1/99 | | NRHS |
| 2721 | ACSX | AlliedSignal Inc. | added 1/99; eliminated 7/2000 | | NRHS |
| 2722 | ACSX | Honeywell International | added 7/2000; 7/2000 | | NRHS |
| 2723 | ACSX | *FIRST UNION PROPERTIES, INC. (ALLIED CHEMICAL; ALLIED SIGNAL; HONEYWELL INTL. LESSEES) | | | PWRC |
| 2724 | ACSX | +HONEYWELL INTERNATIONAL, INC. | | | PWRC |
| 2725 | ACSX | Allied Chemical (First Union Properties) | | | RSRV |
| 2726 | ACSX | HONEYWELL INTERNATIONAL INC | | | SCAC4 |
| 2727 | ACSY | ACOUSTICAL SPECIALTIES & SUPPLY INC | | | SCAC3 |
| 2728 | ACSY | ACUTEC SYSTEMS LTD | | | SCAC4 |
| 2729 | ACSZ | *AMERICAN CARRIER EQUIPMENT | | | PWRC |
| 2730 | ACSZ | *AMERICAN CRYSTAL SUGAR | | | PWRC |
| 2731 | ACSZ | American Carrier Equipment | | | RSRV |
| 2732 | ACSZ | AMERICAN CARRIER EQUIPMENT | | | SCAC4 |
| 2733 | ACT | Flight Line, Inc. | Callsign: American Check, | USA | AVCODES |
| 2734 | ACT | Azienda Consorziale Transporti Reggio Emilia | | I | TRAFFIC |
| 2735 | ACTB | A C T TRUCK LINES INC | | | SCAC3 |
| 2736 | ACTB | A C T BROKERAGE INC | | | SCAC4 |
| 2737 | ACTC | ASSOCIATED CONTAINER TRANSPORTATION (USA) | | | PWRC |
| 2738 | ACTC | ACT Cagliari | | I | TRAFFIC |
| 2739 | ACTD | ACE TRANSFER CO | | | SCAC3 |
| 2740 | ACTD | ACTIVE MOULD AND DESIGN LIMITED | | | SCAC4 |
| 2741 | ACTD | Aberdeen Corporation Transport Department | | GB | TRAFFIC |
| 2742 | ACTE | ACME TRANSPORT INC | | | SCAC3 |
| 2743 | ACTE | A CLASS TRANPORTATION LTD | | | SCAC4 |
| 2744 | ACTF | AIR CONTACT TRANSPORT INC | | | SCAC4 |
| 2745 | ACTG | A C T LOGISTICS INC | | | SCAC4 |
| 2746 | ACTH | AC TRANSIT DISTRICT | | | SCAC3 |
| 2747 | ACTH | ACTION IMPORTERS | | | SCAC4 |
| 2748 | ACTION | Action | City: Canberra | AUS | TRAFFIC |
| 2749 | ACTJ | A C TRANSPORTATION | | | SCAC3 |
| 2750 | ACTL | ACCORD TRANSPORTATION LTD | | | SCAC3 |
| 2751 | ACTL | ACCORD TRANSPORTATION LTD | | | SCAC4 |
| 2752 | ACTM | ACTION MOVING & STORAGE INC | | | SCAC3 |
| 2753 | ACTM | ACT MARITIME CO LTD | | | SCAC4 |
| 2754 | ACTO | ALL CARRIER TRANSPORT | | | SCAC3 |
| 2755 | ACTP | ASSOCIATED CONTAINER TRANSPORTATION (USA) | | | PWRC |
| 2756 | ACTP | ALLIANCE TRANSPORTATION INC | | | SCAC4 |
| 2757 | ACTQ | ASSOCIATED CONTAINER TRANSPORTATION (USA) | | | PWRC |
| 2758 | ACTQ | ACE TRUCK LINES | | | SCAC3 |
| 2759 | ACTQ | ACE TRUCK LINES | | | SCAC4 |
| 2760 | ACTR | ASSOCIATED CONTAINER TRANSPORTATION (USA) | | | PWRC |
| 2761 | ACTR | AMERICAN CONTRACT FREIGHT LINE | | | SCAC3 |
| 2762 | ACTR | AMERICAN CONTRACT FREIGHT LINE | | | SCAC4 |
| 2763 | ACTS | ASSOCIATED CONTAINER TRANSPORTATION (USA) | | | PWRC |
| 2764 | ACTS | ACTS Nederland B.V. | | NL | TRAFFIC |
| 2765 | ACTS | ACTS Nederland B.V. | | NL | VKM |
| 2766 | ACTS | ACTS Abroll-Container-Transport System AG | | CH | VKM |
| 2767 | ACTSB | ACTS Abroll-Container-Transport-Service AG | | CH | VKM |
| 2768 | ACTSL | ACTS Luxembourg | | LU | VKM |
| 2769 | ACTT | ASSOCIATED CONTAINER TRANSPORTATION (USA) | | | PWRC |
| 2770 | ACTU | SARJAK CONTAINER LINES PVT LTD | | IND | BIC |
| 2771 | ACTU | ASSOCIATED CONTAINER TRANSPORT | | | PWRC |
| 2772 | ACTU | Associated Container Transport (Australia) | | | RSRV |
| 2773 | ACTU | ASSOCIATED CONTAINER TRANSPORTATION | | | SCAC3 |
| 2774 | ACTU | P & O NEDLLOYD BV | | | SCAC4 |
| 2775 | ACTV | ACTIVE TRANSFER INC | | | SCAC3 |
| 2776 | ACTV | ACTIVE TRANSFER INC | | | SCAC4 |
| 2777 | ACTV | Azienda del Consorzio Trasporti Veneziano | City: Venedig | I | TRAFFIC |
| 2778 | ACTW | ASSOCIATED CONTAINER TRANSPORTATION (USA) | | | PWRC |
| 2779 | ACTX | Honeywell International, Inc. | added 7/2000; 7/2000-7/2005 | | NAKINA |
| 2780 | ACTX | AlliedSignal Inc. | added 1/1999; eliminated 7/2000 | | NAKINA |
| 2781 | ACTX | Allied Chemical Co. (Allied Corp.) | added 4/1982; 1/1985-1/1994; eliminated 1/1999 | | NAKINA |
| 2782 | ACTX | Allied Chemical Corp. | added 10/1972; 1/1975-1/1980; eliminated 4/1982 | | NAKINA |
| 2783 | ACTX | Acar Manufacturing Corp. | 8/1920-7/1923 | | NAKINA |
| 2784 | ACTX | Allied Chemical Corp. | added 10/72; 1/75-1/80; eliminated 4/82 | | NRHS |
| 2785 | ACTX | Allied Chemical Co. (Allied Corp.) | added 4/82; 1/94; eliminated 1/99 | | NRHS |
| 2786 | ACTX | AlliedSignal Inc. | added 1/99; eliminated 7/2000 | | NRHS |
| 2787 | ACTX | Honeywell International, Inc. | added 7/2000; 7/2000 | | NRHS |
| 2788 | ACTX | *ACAR MANUFACTURING CO. | | | PWRC |
| 2789 | ACTX | *FIRST UNION PROPERTIES, INC. (ALLIED CHEMICAL; ALLIED SIGNAL; HONEYWELL INTL. LESSEES) | | | PWRC |
| 2790 | ACTX | +HONEYWELL INTERNATIONAL, INC. | | | PWRC |
| 2791 | ACTX | ALLIED CHEMICAL COMPANY (ALLIED CORPORATION) | | | PWRC |
| 2792 | ACTX | Allied Chemical (Honeywell International) | | | RSRV |
| 2793 | ACTX | HONEYWELL INTERNATIONAL INC | | | SCAC4 |
| 2794 | ACTY | AMERICAN TRANSPORTATION SYSTEMS INC | | | SCAC4 |
| 2795 | ACTZ | AEPX COAL TERMINAL | | | PWRC |
| 2796 | ACU | Aerocancun | Callsign: Aerocancun, Founded in 1989. Ceased operations in 1996. | MEX | AVCODES |
| 2797 | ACU | Air Cargo Transportation System Limited | Callsign: Afrispirit, | EAK | AVCODES |
| 2798 | ACU | Air Cargo Transportation System | | | ICAO1 |
| 2799 | ACUA | ACTION CHARTER & TOURS INC | | | SCAC3 |
| 2800 | ACUA | ALTA LOMA CHARTER INC | | | SCAC4 |
