| 1 | APC | Airpac Airlines, Inc. | IATA: LQ, Callsign: Airpac, Designator LQ* recalled by IATA | USA | AVCODES |
| 2 | APC | Airpac Airlines, Inc. | Callsign: Airpac, Designator LQ* recalled by IATA | USA | AVCODES |
| 3 | APC | Airpac Airlines, Inc. | | | ICAO1 |
| 4 | APCA | APACHE CARRIERS, THE | | | SCAC3 |
| 5 | APCA | AMBERMAR PRODUCT CARRIER CORPORATIO | | | SCAC4 |
| 6 | APCB | AIRPORT CONNECTION II INC, THE | | | SCAC3 |
| 7 | APCC | *ALL POINTS CONTAINER CORP. | | | PWRC |
| 8 | APCC | *ARKANSAS PORTLAND CEMENT CORP. | | | PWRC |
| 9 | APCC | ALL POINTS CONTAINER CORP | | | SCAC3 |
| 10 | APCC | ALL POINTS CONTAINER CORP | | | SCAC4 |
| 11 | APCD | AIRPORT COURIERS INC | | | SCAC3 |
| 12 | APCE | AMERICAN PACIFIC EXPRESS INC | | | SCAC3 |
| 13 | APCF | APACHE LINES INC | | | SCAC3 |
| 14 | APCF | ALTA PACIFIC TRANSPORT LTD | | | SCAC4 |
| 15 | APCG | ALPHA CARTAGE COMPANY | | | SCAC3 |
| 16 | APCG | AVP TRANSPORT INC | | | SCAC4 |
| 17 | APCI | ALL POINTS COURIER INC | | | SCAC3 |
| 18 | APCJ | ASHLAND PETROLEUM COMPANY | | | SCAC3 |
| 19 | APCK | ATLANTIC & PACIFIC CONTAINER SERVIC | | | SCAC3 |
| 20 | APCK | AMA PACKING LLC | | | SCAC4 |
| 21 | APCM | A PLUS COOPER INC | | | SCAC4 |
| 22 | APCN | ACE POOL CAR INC | | | SCAC3 |
| 23 | APCN | ASPHALT COWBOY TRUCKING LTD | | | SCAC4 |
| 24 | APCO | APCO PRODUCTS PIPE LINE COMPANY | | | SCAC3 |
| 25 | APCO | APAC-CENTRAL INC | | | SCAC4 |
| 26 | APCP | APC TRUCKING COMPANY | | | SCAC3 |
| 27 | APCP | ANP CAMACHO TRANSPORT | | | SCAC4 |
| 28 | APCQ | ASPHALT PRODUCTS COMPANY INC | | | SCAC3 |
| 29 | APCR | ALPHA CARGO EXPRESS INCORPORATED | | | SCAC3 |
| 30 | APCR | ALLIANCE PETROLEUM CARRIERS | | | SCAC4 |
| 31 | APCS | AMERICAN PARCEL SERVICE | | | SCAC3 |
| 32 | APCS | ASAP CONTAINERS NJ | | | SCAC4 |
| 33 | APCT | APACHE TRANSPORT INC | | | SCAC3 |
| 34 | APCU | AMERICAN PRESIDENT LINES, LTD. | | | PWRC |
| 35 | APCU | American President Lines | | | RSRV |
| 36 | APCU | ARROWPAC INC, | | | SCAC3 |
| 37 | APCU | PACER STACKTRAIN | | | SCAC4 |
| 38 | APCV | APOLLO COURIER EXPRESS | | | SCAC3 |
| 39 | APCW | AIRPORT CARTAGE CO | | | SCAC3 |
| 40 | APCW | ALL PORTS LOGISTICS CARGO WAREHOUSE | | | SCAC4 |
| 41 | APCX | Allied Lime Co. | added 1/1990; 1/1994; eliminated 10/1995; added 10/1996; 7/2000-7/2005; eliminated 4/2006 | | NAKINA |
| 42 | APCX | Allied Products Co. | added 4/1981; 1/1985; eliminated 1/1990 | | NAKINA |
| 43 | APCX | ICI United States Inc. | added 10/1974; 1/1975; eliminated 4/1977; 1/1980 | | NAKINA |
| 44 | APCX | ICI America Inc. | added 4/1972; eliminated 10/1974 | | NAKINA |
| 45 | APCX | Atlas Chemical Industries, Inc. | added 10/1961; 7/1965-4/1970; reporting marks changed to ICIX 4/1972; eliminated 4/1972 | | NAKINA |
| 46 | APCX | Atlas Powder Co. | 8/1920-4/1961; eliminated 10/1961 | | NAKINA |
| 47 | APCX | Atlas Powder Co. | 4/38-4/61 | | NRHS |
| 48 | APCX | Atlas Chemical Industries, Inc. | 7/65-4/70; reporting marks changed to ICIX 4/72; eliminated 4/72 | | NRHS |
| 49 | APCX | ICI America Inc. | added 4/72 | | NRHS |
| 50 | APCX | ICI United States Inc. | 1/75-1/80 | | NRHS |
| 51 | APCX | Allied Products Co. | added 4/81; eliminated 1/90 | | NRHS |
| 52 | APCX | Allied Lime Co. | added 1/90; 1/94; eliminated 10/95; added 10/96; 7/2000 | | NRHS |
| 53 | APCX | *ICI UNITED STATES [ATLAS POWER CO.; ATLAS CHEMICAL INDUSTRIES; ICI AMERICA INC.] | | | PWRC |
| 54 | APCX | *ARIZONA PACIFIC RAILROAD CO. | | | PWRC |
| 55 | APCX | +ALLIED LIME COMPANY [ALLIED PRODUCTS CO.] | | | PWRC |
| 56 | APCX | Allied Products (Allied Lime) | | | RSRV |
| 57 | APCX | ATLAS CHEMICAL INDUSTRIES INC | | | SCAC3 |
| 58 | APCX | CHEMICAL LIME COMPANY OF ALABAMA IN | | | SCAC4 |
| 59 | APCZ | APPLETON PAPER CO. | | | PWRC |
