| 1 | ABC | OAG Worldwide | IATA: CR, Name changed to UBM Aviation - OAG. Non-airline Org. in airline industry | GB | AVCODES |
| 2 | ABC | ATLANTA, BIRMINGHAM AND COAST RAILROAD | | | PWRC |
| 3 | ABCA | ABC MOVING & STORAGE | | | SCAC3 |
| 4 | ABCA | AMERICAN BEST CARE TRANSPORTATION L | | | SCAC4 |
| 5 | ABCAR | AB Prijevoz d.o.o. | | HR | VKM |
| 6 | ABCB | ABC BONDED WAREHOUSES | | | SCAC3 |
| 7 | ABCE | ABC FREIGHT INC | | | SCAC3 |
| 8 | ABCF | ABC DISCOUNT AUTO TRANSPORT INC | | | SCAC3 |
| 9 | ABCF | ABC/FRY-WAGNER INC | | | SCAC4 |
| 10 | ABCH | A B C MOVING AND STORAGE INC | | | SCAC3 |
| 11 | ABCH | A B C MOVING AND STORAGE INC | | | SCAC4 |
| 12 | ABCI | ABC MOVING & STORAGE | | | SCAC3 |
| 13 | ABCI | ATLANTIC BULK CARRIERS MANAGEMENT L | | | SCAC4 |
| 14 | ABCK | Alaska British Columbia Transportation Co. | 1/1980-1/1994 | | NAKINA |
| 15 | ABCK | Alaska British Columbia Transportation Co. | 1/80-1/94 | | NRHS |
| 16 | ABCK | RETIRED 01-26-94 (017) ATP [ALASKA BRITISH COLUMBIA TRANSPORTATION] | | | PWRC |
| 17 | ABCK | Alaska British Columbia Transportation | | | RSRV |
| 18 | ABCL | ATLANTIC BULK CARRIERS INC | | | SCAC4 |
| 19 | ABCM | ABC TRANSPORTATION COMPANY | | | SCAC3 |
| 20 | ABCN | A B C INC | | | SCAC3 |
| 21 | ABCO | Abermain Coal Company | | AUS | TRAFFIC |
| 22 | ABCP | ALUMI-BUNK CORPORATION | | | SCAC4 |
| 23 | ABCQ | ABC TRANSFER CO | | | SCAC3 |
| 24 | ABCQ | AUTO BODY COMPLETE INC | | | SCAC4 |
| 25 | ABCR | AKRON BARBERTON CLUSTER RAILWAY (ABC RAILWAY) | | | PWRC |
| 26 | ABCR | ABLE CARTAGE, INC | | | SCAC3 |
| 27 | ABCR | ABSOLUTE COURIER & TRUCKING INC | | | SCAC4 |
| 28 | ABCS | A B C TRANSFER & STORAGE CO | | | SCAC3 |
| 29 | ABCS | ABCO LOGISTICS | | | SCAC4 |
| 30 | ABCT | ABC MOVING & STORAGE COMPANY OF PEN | | | SCAC3 |
| 31 | ABCT | ABC AUTOTRANSPORTES | | | SCAC4 |
| 32 | ABCU | ABC MOBILE STORAGE | | USA | BIC |
| 33 | ABCU | ABC Mobile Storage | | | RSRV |
| 34 | ABCV | ATLANTIC BULK CARRIER CORPORATION | | | SCAC4 |
| 35 | ABCX | Tennessee Valley Authority | 1/1994 | | NAKINA |
| 36 | ABCX | Falcon Coal Co. | added 10/1978; 1/1980-1/1985; eliminated 10/1985 | | NAKINA |
| 37 | ABCX | Merchants Despatch Transportation Corp | added 7/1966; 10/1966-4/1970; eliminated 1/1973 | | NAKINA |
| 38 | ABCX | American Bitumuls Co. | 1/1943-4/1961 (not listed) | | NAKINA |
| 39 | ABCX | American Bitumuls Co. | 1/52-4/61 | | NRHS |
| 40 | ABCX | Merchants Despatch Transportation Corp | added 7/66; 10/66-4/70; eliminated 1/73 | | NRHS |
| 41 | ABCX | Falcon Coal Co. | added 10/78; 1/80 | | NRHS |
| 42 | ABCX | Tennessee Valley Authority | Jan-94 | | NRHS |
| 43 | ABCX | *AMERICAN BITUMULS CO. | | | PWRC |
| 44 | ABCX | *MERCHANTS DISPATCH TRANSPORTATION CORP. | | | PWRC |
| 45 | ABCX | *FALCON COAL CO. | | | PWRC |
| 46 | ABCX | *(TVAX) TENNESSEE VALLEY AUTHORITY | | | PWRC |
| 47 | ABCX | *ABC RAILWAY, INC. | | | PWRC |
| 48 | ABCX | American Bitumuls (Tennessee Valley Authority) | | | RSRV |
| 49 | ABCX | ABC RECYCLING INC | | | SCAC4 |
| 50 | ABCY | ABC TRAILER TOWING | | | SCAC3 |
| 51 | ABCY | ABC TRANSFER & DELIVERY INC | | | SCAC4 |
