| 3801 | BFGX | *GEON COMPANY | | | PWRC |
| 3802 | BFGX | +OXY VINYLS, LP | | | PWRC |
| 3803 | BFGX | B. F. Goodrich (Chemical Group) | | | RSRV |
| 3804 | BFGX | OXY VINYLS LP | | | SCAC4 |
| 3805 | BFHA | BA FREIGHT HANDLERS INCORPORATED | | | SCAC4 |
| 3806 | BFHD | BELLE FASHION S DE RL DE CV | | | SCAC4 |
| 3807 | BFHL | BUMERANG FREIGHT LLC | | | SCAC4 |
| 3808 | BFHU | BAILEE FREIGHT SERVICES LTD | | | PWRC |
| 3809 | BFHU | Bailee Freight Services | | | RSRV |
| 3810 | BFIF | Big Fork & International Falls Ry. | 4/1938-1/1941 | | NAKINA |
| 3811 | BFIF | Big Fork & International Falls Ry. | Apr-38 | | NRHS |
| 3812 | BFIF | BIG FORK & INTERNATIONAL FALLS RWY. | | | PWRC |
| 3813 | BFIF | B-FIFTY TWO (B-52) EXPRESS LINES IN | | | SCAC3 |
| 3814 | BFII | BROWNING-FERRIS INDUSTRIES INC | | | SCAC3 |
| 3815 | BFIJ | BY FREIGHT INCORPORATED | | | SCAC4 |
| 3816 | BFIK | BASIN FARMING INC | | | SCAC4 |
| 3817 | BFIL | BOONES FARM INK LLC | | | SCAC4 |
| 3818 | BFIN | B-FOUR (B-4) TRANSPORT CO INC - JB | | | SCAC4 |
| 3819 | BFIQ | BASIC FIBRES INC | | | SCAC4 |
| 3820 | BFIR | BFI TRANSPORTATION INC | | | SCAC3 |
| 3821 | BFIR | BUSH FIRE SERVICES | | | SCAC4 |
| 3822 | BFIU | BAILEE FREIGHT HOLLAND B.V. | | | SCAC3 |
| 3823 | BFIV | B FIVE (B5) INC | | | SCAC4 |
| 3824 | BFIX | Bethlehem Steel Corp. | added 7/1995; eliminated 1/1999; 7/2000-7/2005 (not listed) | | NAKINA |
| 3825 | BFIX | Brown Forest Industries Ltd., a Division of Brown Co. | added 1/1969 (reporting marks changed from KVPX); 4/1970-1/1980; eliminated 4/1981 | | NAKINA |
| 3826 | BFIX | Borden's Farm Products Co., Inc. | 7/1930-7/1935 | | NAKINA |
| 3827 | BFIX | Borden's Farm Products Division of the Borden Co. | 7/1937-7/1954; eliminated 7/1957 | | NAKINA |
| 3828 | BFIX | Borden's Farm Products Division of the Borden Co. | 4/38-1/52 | | NRHS |
| 3829 | BFIX | Brown Forest Industries Ltd., a Division of Brown Co. | added 1/69 (reporting marks changed from KVPX); 4/70-1/80; eliminated 4/81 | | NRHS |
| 3830 | BFIX | Bethlehem Steel Corp. | added 7/95; eliminated 1/99; 7/2000 | | NRHS |
| 3831 | BFIX | *BORDEN'S FARM PRODUCTS DIV. BORDON CO. | | | PWRC |
| 3832 | BFIX | *BROWN FOREST INDUSTRIES LTD., DIV. BROWN CO. | | | PWRC |
| 3833 | BFIX | +BETHLEHEM STEEL CORPORATION | | | PWRC |
| 3834 | BFIX | Bethlehem Steel Corporation | | | RSRV |
| 3835 | BFIY | BRYANS FARM AND INDUSTRIAL SUPPLY L | | | SCAC4 |
| 3836 | BFJ | BRILLION & FOREST JUNCTION RR | | | PWRC |
| 3837 | BFJR | Brillon & Forest Junction R.R. Co. | added 4/1979; 1/1980; eliminated 1/1985 | | NAKINA |
| 3838 | BFJR | Brillon & Forest Junction R.R. Co. | added 4/79; 1/80; eliminated 1/85 | | NRHS |
| 3839 | BFJR | BRILLION & FOREST JUNCTION RR | | | PWRC |
| 3840 | BFJR | Brillion and Forest Junction Railroad | | | RSRV |
| 3841 | BFJT | BENNETT, F J TRUCKING INC | | | SCAC3 |
| 3842 | BFK | Inner Mongolia Northern Express General Aviation Co., Ltd. | Callsign: Northern Express, | PRC | AVCODES |
| 3843 | BFKJ | BURKHART, FRANK J | | | SCAC4 |
| 3844 | BFKS | BEECHFORK SERVICES LLC | | | SCAC4 |
| 3845 | BFKT | BIG FORK TRANSFER | | | SCAC3 |
| 3846 | BFL | Buffalo Airways Ltd. | IATA: J4, Callsign: Buffalo, Designator J4* recalled by IATA | CDN | AVCODES |
| 3847 | BFL | Buffalo Airways Ltd. | IATA: J0, Callsign: Buffalo, IATA Prefix: 916, Designator J4* recalled by IATA | CDN | AVCODES |
| 3848 | BFL | Buffalo Airways | IATA: J4 | | ICAO1 |
| 3849 | BFL | BF Logistics s.r.o. | | CZ | VKM |
| 3850 | BFLB | BAMA FREIGHT LLC | | | SCAC4 |
| 3851 | BFLC | BUFFALO CARTAGE COURIER INC | | | SCAC3 |
| 3852 | BFLC | BORDERFREIGHT LOGISTICS LLC | | | SCAC4 |
| 3853 | BFLD | BORDER FARMS LTD | | | SCAC4 |
| 3854 | BFLI | BEKINS MOVING & STORAGE | | | SCAC3 |
| 3855 | BFLJ | BOAS & | | | SCAC4 |
| 3856 | BFLK | BRASFIELD TRUCKING | | | SCAC3 |
| 3857 | BFLL | BESTWAY FREIGHT LINES LTD | | | SCAC3 |
| 3858 | BFLM | BAY FERRIES LIMITED | | | SCAC4 |
| 3859 | BFLO | BUFFALO EXPRESS | | | SCAC3 |
| 3860 | BFLO | BUFFALO EXPRESS | | | SCAC4 |
| 3861 | BFLQ | BROWN FREIGHT LINES | | | SCAC3 |
| 3862 | BFLS | BUFFINGTON LEASING | | | SCAC3 |
| 3863 | BFLSK | Partners 4RAIL, s.r.o. | | SK | VKM |
| 3864 | BFLT | BLINSKY, FLOYD TRUCKING INC | | | SCAC3 |
| 3865 | BFLT | BLINSKY, FLOYD TRUCKING INC | | | SCAC4 |
| 3866 | BFLU | OCEAN TRANSPORT AND TRADING LIMITED | | | SCAC3 |
| 3867 | BFLW | BELFLOWER TRUCKING INC | | | SCAC3 |
| 3868 | BFLW | BELFLOWER TRUCKING INC | | | SCAC4 |
| 3869 | BFM | Beijing Panam International Aviaition Academy Co. Ltd. | Callsign: Fan May, | PRC | AVCODES |
| 3870 | BFMC | BARFIELD MANUFACTURING CO | | | SCAC3 |
| 3871 | BFME | BAGGIE FARMS EXPRESS INC | | | SCAC4 |
| 3872 | BFMF | BLUE FLAME FUEL OIL INC | | | SCAC4 |
| 3873 | BFMP | BFM TRANSPORT | | | SCAC4 |
| 3874 | BFMQ | BUFFALO MERCHANDISE DISTRIBUTION CE | | | SCAC3 |
| 3875 | BFMS | BAUER FARMS INC | | | SCAC3 |
| 3876 | BFMT | BOSTON FISH MARKET INC | | | SCAC4 |
| 3877 | BFMV | BELLINA, FRANK MOVING | | | SCAC3 |
| 3878 | BFN | Compagnie Nationale Naganagani | | BF | AVCODES |
| 3879 | BFN | Compangnie Nationale Naganagani | | | ICAO1 |
| 3880 | BFNA | BRIDGESTONE FIRESTONE NORTH AMERICA | | | SCAC4 |
| 3881 | BFNK | BREIDENBACH, FRANK TRUCKING INC | | | SCAC3 |
| 3882 | BFNL | BFN OPERATIONS LLC | | | SCAC4 |
| 3883 | BFNO | BENSON TRANSFER & STORAGE COMPANY | | | SCAC3 |
| 3884 | BFNS | BLAIR, FRANK & SONS | | | SCAC3 |
| 3885 | BFNT | BUFKIN TRUCKING INC | | | SCAC3 |
| 3886 | BFNT | B FRONT SHIPPING COMPANY LIMITED | | | SCAC4 |
| 3887 | BFO | Bombardier, Inc | | CDN | AVCODES |
| 3888 | BFO | Bakhtar Afghan Airlines | IATA: BM, Callsign: Bakhtar, Founded as Bakhtar Alwatana in 1967. | AFG | AVCODES |
| 3889 | BFO | Bombardier | | | ICAO1 |
| 3890 | BFOC | BROUGHTON FOODS COMPANY | | | SCAC3 |
| 3891 | BFOC | BROUGHTON FOODS COMPANY | | | SCAC4 |
| 3892 | BFOD | BRUCE FOODS CORPORATION | | | SCAC4 |
| 3893 | BFOE | BUFFALO EXPRESS | | | SCAC3 |
| 3894 | BFOG | B FOUR (4) LOGISTICS INC | | | SCAC4 |
| 3895 | BFOI | BUSA FUEL OIL CO INC | | | SCAC4 |
| 3896 | BFON | BRADENTON FUEL OIL INC | | | SCAC4 |
| 3897 | BFOO | BIGFOOT 4X4 INC | | | SCAC4 |
| 3898 | BFOQ | BREDFORD TRADING LTD | | | SCAC3 |
| 3899 | BFOR | BLENTFORD SHIPPING COMPANY | | | SCAC3 |
| 3900 | BFOR | BALFOURS INC | | | SCAC4 |
