| 11001 | BSRK | BIG STAR TRUCKING | | | SCAC4 |
| 11002 | BSRL | BEST ROUTE LEASING INC | | | SCAC3 |
| 11003 | BSRM | BEST/ROUTE | | | SCAC3 |
| 11004 | BSRN | BASRAN FREIGHT & LUMBER (DIV OF BAS | | | SCAC3 |
| 11005 | BSRO | BROWN, SHARON INC | | | SCAC3 |
| 11006 | BSRP | BUDS TRAILER REPAIR INC | | | SCAC3 |
| 11007 | BSRP | BUDS TRAILER REPAIR INC | | | SCAC4 |
| 11008 | BSRQ | BEST REFRIGERATED DELIVERY SERVICES | | | SCAC3 |
| 11009 | BSRQ | BLAISE, ROBERT H TRUCKING | | | SCAC4 |
| 11010 | BSRR | BLOOMSBURG & SULLIVAN RR | | | PWRC |
| 11011 | BSRR | B & S TRANSPORTATION SERVICE INC | | | SCAC4 |
| 11012 | BSRS | BELLIS, RUSSELL TRUCKING INC | | | SCAC3 |
| 11013 | BSRU | BAL CONTAINER LINE CO LIMITED | | HK | BIC |
| 11014 | BSRV | BLUE STAR TRANSPORTATION | | | SCAC3 |
| 11015 | BSRV | BSR TRANSPORT INC | | | SCAC4 |
| 11016 | BSRW | BESTRAN INC | | | SCAC3 |
| 11017 | BSRW | BS ROAD TRUCKLINE INC | | | SCAC4 |
| 11018 | BSRX | Branson Scenic Ry., Inc. | 7/2000-7/2005 (not listed) | | NAKINA |
| 11019 | BSRX | Branson Scenic Ry., Inc. | Jul-00 | | NRHS |
| 11020 | BSRX | *BRANDYWINE SCENIC RAILROAD COMPANY | | | PWRC |
| 11021 | BSRX | +BRANSON SCENIC RAILWAY INC | | | PWRC |
| 11022 | BSRX | Branson Scenic Railway | | | RSRV |
| 11023 | BSRX | BRANSON SCENIC RAILWAY INC | | | SCAC4 |
| 11024 | BSRX | Branson Scenic Railway | | USA | TRAFFIC |
| 11025 | BSRY | BLUM STATIONERY | | | SCAC3 |
| 11026 | BSRY | BEST RATES | | | SCAC4 |
| 11027 | BSRZ | BTL SPECIALIST RESINS CORP. | | | PWRC |
| 11028 | BSS | Air Business, S.L. | Callsign: Aero Negocios, | E | AVCODES |
| 11029 | BSS | Bissau Aero Transporte | | | ICAO1 |
| 11030 | BSS | BETHLEHEM STEEL CORP. | | | PWRC |
| 11031 | BSS | BSS 2000 Kft. | | HU | VKM |
| 11032 | BSSB | BASSI, GEORGE, DISTRIBUTING COMPANY | | | SCAC3 |
| 11033 | BSSB | BLOOMINGTON SHUTTLE SERVICE INC | | | SCAC4 |
| 11034 | BSSC | BLETSCH STEAMSHIP COMPANY | | | SCAC4 |
| 11035 | BSSD | BASS, DON TRUCKING INC | | | SCAC3 |
| 11036 | BSSD | BOS SOD FARMS INC | | | SCAC4 |
| 11037 | BSSF | BORNS TRANSFER LTD | | | SCAC3 |
| 11038 | BSSG | BI-STATE STORAGE | | | SCAC3 |
| 11039 | BSSG | BESSINGER PICKLE CO INC | | | SCAC4 |
| 11040 | BSSH | BLETSCH STEAMSHIP COMPANY | | | SCAC3 |
| 11041 | BSSH | BLETSCH STEAMSHIP COMPANY | | | SCAC4 |
| 11042 | BSSI | BASS TRANSPORTATION CO INC | | | SCAC3 |
| 11043 | BSSJ | BUTCHS TRAFFIC SOLUTIONS INC | | | SCAC4 |
| 11044 | BSSK | BASSETT TRUCKING LLC | | | SCAC4 |
| 11045 | BSSL | BARBER STEAMSHIP CO | | | PWRC |
| 11046 | BSSL | BARBER STEAMSHIP LINES INC | | | SCAC3 |
| 11047 | BSSL | BARBER STEAMSHIP LINES INC | | | SCAC4 |
| 11048 | BSSM | BASSETT MIRROR COMPANY INC | | | SCAC3 |
| 11049 | BSSN | BRILLIANT SEAS OVERSEAS INC | | | SCAC3 |
| 11050 | BSSN | BASSAN ENTERPRISE LTD | | | SCAC4 |
| 11051 | BSSO | BENNYS SERVICE STATION | | | SCAC3 |
| 11052 | BSSP | BUS SUPPLY CHARTERS INC | | | SCAC3 |
| 11053 | BSSP | BUS SUPPLY CHARTERS INC | | | SCAC4 |
| 11054 | BSSQ | BENNETT, RUSSELL M | | | SCAC3 |
| 11055 | BSSR | BARBS SCENIC TOURS | | | SCAC3 |
| 11056 | BSSR | BRUSH, ROSS R | | | SCAC4 |
| 11057 | BSSS | B S SHIPPING SERVICES | | | SCAC3 |
| 11058 | BSST | BASS TRUCKING | | | SCAC3 |
| 11059 | BSST | BESSETTE, DWIGHT | | | SCAC4 |
| 11060 | BSSU | BHAVANI SHIPPING SERVICES (I) PVT LTD | | IND | BIC |
| 11061 | BSSU | USECOM UKRAINIAN STATE SPECIAL EQUI | | | SCAC4 |
| 11062 | BSSV | B & L TRUCK SERVICE INC | | | SCAC3 |
| 11063 | BSSV | BESSE, STEVE TRUCKING INC | | | SCAC4 |
| 11064 | BSSW | BASS, WILLIAM H TRUCKING INC | | | SCAC4 |
| 11065 | BSSY | BELLINGHAM SUMAS STAGES | | | SCAC4 |
| 11066 | BST | Besit Srl | Callsign: Besit, Name changed from Societa' Besit Srl | I | AVCODES |
| 11067 | BST | Sicieta' Besit Srl | Callsign: Besit, Name changed to Besit Srl | I | AVCODES |
| 11068 | BST | Best Airlines, Inc. | Callsign: Bestway, | USA | AVCODES |
| 11069 | BST | Tunca Havacilik A.S. Bestair | IATA: 5F, Callsign: Barbie, IATA Prefix: 759, Ceased operations in October 2009. Started operations on 17 June 2006. | TR | AVCODES |
| 11070 | BST | Best Air | | | ICAO1 |
| 11071 | BST | *BI-STATE TRANSIT - "METROLINK" | | | PWRC |
| 11072 | BST | *BAYSHORE TERMINAL RWY | | | PWRC |
| 11073 | BST | Bi-State Transit (MetroLink) | | | RSRV |
| 11074 | BSTAR | Blue Star Line Ltd. (1920) | | GB | TRAFFIC |
| 11075 | BSTB | BRUSCO TUG & BARGE INC | | | SCAC4 |
| 11076 | BSTC | BEAVER STREET TOWER CO. | | | PWRC |
| 11077 | BSTC | BAL, S TRUCKING SERVICES LTD | | | SCAC3 |
| 11078 | BSTD | BEST DELIVERY SERVICE INC | | | SCAC3 |
| 11079 | BSTE | B & S TIRE SERVICE | | | SCAC4 |
| 11080 | BSTF | BESTWAY TRANSFER & STORAGE INC | | | SCAC4 |
| 11081 | BSTG | BEST, ELLIOTT TRUCKING | | | SCAC4 |
| 11082 | BSTI | BESTLINE TRANSFER INC | | | SCAC3 |
| 11083 | BSTJ | B & S TRUCKING | | | SCAC3 |
| 11084 | BSTJ | BASSET TRANSPORT LLC | | | SCAC4 |
| 11085 | BSTK | BOSTON TRUCK CO, INC | | | SCAC3 |
| 11086 | BSTK | B STREET TRUCKING | | | SCAC4 |
| 11087 | BSTL | BLUE SPRINGS TRUCK LINE | | | SCAC3 |
| 11088 | BSTL | BULK SOLUTIONS TRANSPORTATION GROUP | | | SCAC4 |
| 11089 | BSTM | BEST MOVING & STORAGE CO | | | SCAC3 |
| 11090 | BSTN | BASTIAN TRUCK SERVICE | | | SCAC3 |
| 11091 | BSTO | BEST TRUCKING COMPANY INC | | | SCAC3 |
| 11092 | BSTQ | BESTWAY DISPOSAL CO | | | SCAC3 |
| 11093 | BSTR | BLACK STAR TRANSPORTATION GROUP LLC | | | SCAC4 |
| 11094 | BSTR | Becker-Strelitz Reisen GmbH | | D | TRAFFIC |
| 11095 | BSTS | BRONSTEATTER & SONS INC | | | SCAC4 |
| 11096 | BSTT | BRANSON SHUTTLE & TOUR INC | | | SCAC4 |
| 11097 | BSTU | BEST CONTAINERS | | NL | BIC |
| 11098 | BSTU | BEST CONTAINERS | | | SCAC4 |
| 11099 | BSTW | BARSTOW TRANSFER & STORAGE CO INC | | | SCAC4 |
| 11100 | BSTX | Trinitas Corp. | added 1/1980; 1/1980-1/1994; eliminated 1/1995; 7/2000-7/2005 (not listed) | | NAKINA |
