| 3701 | BFC | BELLEFONTE CENTRAL RR | | | PWRC |
| 3702 | BFC | Bellefonte Central Railroad | | | RSRV |
| 3703 | BFCA | BEST OF FRANCE ANTIQUES | | | SCAC4 |
| 3704 | BFCC | BELCO FUEL COMPANY INC | | | SCAC4 |
| 3705 | BFCD | BURGESS FREIGHT CARRIERS INC | | | SCAC4 |
| 3706 | BFCF | Bremerton Freight Car Ferry | 1/1975-1/1980 | | NAKINA |
| 3707 | BFCF | Bremerton Freight Car Ferry | 1/75-1/80 | | NRHS |
| 3708 | BFCF | BREMERTON FREIGHT CAR FERRY | | | PWRC |
| 3709 | BFCF | Bremerton Freight Car Ferry | | | RSRV |
| 3710 | BFCF | BLOOMFIELD COLONY FARMS LTD | | | SCAC4 |
| 3711 | BFCI | BACKES FEED COMPANY INC | | | SCAC3 |
| 3712 | BFCK | BFC TRUCKING | | | SCAC3 |
| 3713 | BFCL | BUCKBOARD FREIGHT CO LLC | | | SCAC4 |
| 3714 | BFCM | BERGER FREIGHT COMPANY LLC | | | SCAC4 |
| 3715 | BFCN | BOLEN, F C OIL INC | | | SCAC4 |
| 3716 | BFCO | BEATTY FREIGHT CO | | | SCAC3 |
| 3717 | BFCO | B E COURIER SERVICE INC | | | SCAC4 |
| 3718 | BFCQ | B. F. CARTAGE COMPANY | | | SCAC3 |
| 3719 | BFCS | BUTTERFIELD FOODS COMPANY | | | SCAC4 |
| 3720 | BFCU | BENNINGER & FÖLL LIQUID LOGISTICS GMBH | | D | BIC |
| 3721 | BFCU | BUDD LEASING CORPORATION | | | SCAC3 |
| 3722 | BFCU | BENNINGER & FOELL LIQUID LOGISTICS | | | SCAC4 |
| 3723 | BFCX | Berwick Freight Car Co. | 1/1994-7/2005 (not listed) | | NAKINA |
| 3724 | BFCX | Berger Foods Co. | 7/1937 (not listed); 4/1938-1/1952; eliminated 4/1954; 7/1954 | | NAKINA |
| 3725 | BFCX | Berger Foods Co. | 4/38-1/52; eliminated 4/54 | | NRHS |
| 3726 | BFCX | Berwick Freight Car Co. | 1/94-7/2000 | | NRHS |
| 3727 | BFCX | *BERGER FOODS INC. | | | PWRC |
| 3728 | BFCX | +BERWICK FREIGHT CAR COMPANY | | | PWRC |
| 3729 | BFCX | Berwick Freight Car | | | RSRV |
| 3730 | BFCX | BERWICK FREIGHT CAR COMPANY | | | SCAC4 |
| 3731 | BFCY | BLUFF CITY TOURS INC | | | SCAC3 |
| 3732 | BFCZ | BATESVILLE FEDERAL COMPRESS | | | PWRC |
| 3733 | BFD | Bertelsmann AG | Callsign: Media Jet, | D | AVCODES |
| 3734 | BFD | Brig - Furka - Disentis | The ancestor of the Furka-Oberalp Bahn. | CH | TRAFFIC |
| 3735 | BFDA | BEST FREIGHT DEL PERU SAC | | | SCAC4 |
| 3736 | BFDC | BRADFORD, DEAN | | | SCAC4 |
| 3737 | BFDD | BARFIELD DELIVERY SERVICE | | | SCAC3 |
| 3738 | BFDG | BFD LOGISTICS LLC | | | SCAC4 |
| 3739 | BFDI | BABCOCK FREIGHT DELIVERY INC | | | SCAC3 |
| 3740 | BFDO | BUFORD OIL CO INC | | | SCAC4 |
| 3741 | BFDP | BELLEVILLE FIRE DEPARTMENT | | | SCAC4 |
| 3742 | BFDQ | BRANSFORD W | | | SCAC3 |
| 3743 | BFDS | BIG FREIGHT DISTRIBUTION | | | SCAC4 |
| 3744 | BFDW | BRENFORD FINANCE SA | | | SCAC4 |
| 3745 | BFE | BIO FUEL ENERGY S.R.L. | | RO | VKM |
| 3746 | BFED | BARFF, ED TRUCKING | | | SCAC3 |
| 3747 | BFED | BREMOND FEED INC | | | SCAC4 |
| 3748 | BFEI | BLATCHLEY, F E INC | | | SCAC3 |
| 3749 | BFEL | BUTTERFIELD TRUCKING | | | SCAC3 |
| 3750 | BFEN | BLACK, FRED ENTERPRISES | | | SCAC3 |
| 3751 | BFEO | BRAINARDS FUEL OIL | | | SCAC4 |
| 3752 | BFEQ | BULTMAN, FREDERICK | | | SCAC3 |
| 3753 | BFES | BADGER FEDERAL SERVICES INC | | | SCAC3 |
| 3754 | BFES | BADGER FEDERAL SERVICES INC | | | SCAC4 |
| 3755 | BFF | Air Baffin | Callsign: Air Baffin, Name changed to Air Nunavut. | CDN | AVCODES |
| 3756 | BFF | Air Nunavut | Callsign: Air Baffin, Name changed from Air Baffin. | CDN | AVCODES |
| 3757 | BFF | Air Baffin | | | ICAO1 |
| 3758 | BFF | BERWICK FORGE & FABRICATION DIV. WHITTAKER CORP. | | | PWRC |
| 3759 | BFFG | BUFFALO GROUP OF COMPANIES INC, THE | | | SCAC4 |
| 3760 | BFFI | B F F TRUCKING INC | | | SCAC4 |
| 3761 | BFFL | BUFFALO HOME FURNISHINGS | | | SCAC4 |
| 3762 | BFFM | BOS FAMILY FARMS | | | SCAC4 |
| 3763 | BFFN | BECKERS FALLS FARMS INC | | | SCAC4 |
| 3764 | BFFO | BUFFALO EXPRESS | | | SCAC4 |
| 3765 | BFFQ | BAKERSFIELD FAST FREIGHT | | | SCAC3 |
| 3766 | BFFS | BRITT, JOHN, FAST FREIGHT SERVICE, | | | SCAC3 |
| 3767 | BFFT | B F F TRUCKING | | | SCAC3 |
| 3768 | BFFT | BUFFALO TRAIL BEEF | | | SCAC4 |
| 3769 | BFFU | BAHAMAS FERRIES LTD. | | BS | BIC |
| 3770 | BFFX | Berwick Forge and Fabricating Division, Whittaker Corp. | added 1/1983; eliminated 10/1985 | | NAKINA |
| 3771 | BFFX | Greenlease, Inc. | eliminated 10/1987 | | NAKINA |
| 3772 | BFFX | Berwick Forge and Fabricating Division, Whittaker Corp. | added 1/83 | | NRHS |
| 3773 | BFFX | Greenlease, Inc. | eliminated 10/87 | | NRHS |
| 3774 | BFFX | *BERWICK FORGE & FABRICATION DIV. WHITTAKER CORP. | | | PWRC |
| 3775 | BFFX | *RETIRED 03-04-91 FET (1282) [GREENLEASE INC.] | | | PWRC |
| 3776 | BFFX | Berwick Forge and Fabrication Division Whittaker Corporation | | | RSRV |
| 3777 | BFG | Bear Flight | Callsign: Bearflight, | S | AVCODES |
| 3778 | BFG | Bright Flight Ltd | Callsign: Bright Flight, | BG | AVCODES |
| 3779 | BFG | Bear Flight | | | ICAO1 |
| 3780 | BFGC | BRONCO FREIGHT SYSTEMS LLC | | | SCAC4 |
| 3781 | BFGH | BONCHEFF GREENHOUSES INC | | | SCAC4 |
| 3782 | BFGL | BASER FREIGHT LLC | | | SCAC4 |
| 3783 | BFGP | BFG LOGIATICS LLC | | | SCAC4 |
| 3784 | BFGV | BILLINGS FLYING SERVICE INC | | | SCAC4 |
| 3785 | BFGX | Oxy Vinyls L.P. | added 7/1999; 7/2000-7/2005 | | NAKINA |
| 3786 | BFGX | The B.F. Goodrich Co. & Chemical Group | eliminated 10/1995 | | NAKINA |
| 3787 | BFGX | The GEON Co. | added 4/1996 | | NAKINA |
| 3788 | BFGX | B.F. Goodrich Co., Chemical Group | added 7/1981; 1/1994 | | NAKINA |
| 3789 | BFGX | U.S. Rail Services, Inc. | added 4/1978; 1/1980; eliminated 7/1981 | | NAKINA |
| 3790 | BFGX | The B.F. Goodrich Co. | 1/1943-4/1947; added 4/1963; 7/1965-10/1966; eliminated 10/1969 | | NAKINA |
| 3791 | BFGX | Rail-U.S. Leasing, Inc. | added 4/1977; eliminated 4/1978 | | NAKINA |
| 3792 | BFGX | The B.F. Goodrich Co. | 7/65-10/66; eliminated 10/69 | | NRHS |
| 3793 | BFGX | Rail-U.S. Leasing, Inc. | eliminated 4/78 | | NRHS |
| 3794 | BFGX | U.S. Rail Services, Inc. | added 4/78; 1/80; eliminated 7/81 | | NRHS |
| 3795 | BFGX | B.F. Goodrich Co., Chemical Group | added 7/81; 1/94 | | NRHS |
| 3796 | BFGX | The B.F. Goodrich Co. & Chemical Group | eliminated 10/95 | | NRHS |
| 3797 | BFGX | The GEON Co. | added 4/96 | | NRHS |
| 3798 | BFGX | Oxy Vinyls L.P. | added 7/99; 7/2000 | | NRHS |
| 3799 | BFGX | *B. F. GOODRICH COMPANY | | | PWRC |
| 3800 | BFGX | *U. S. RAIL SERVICES, INC. [RAIL U.S. LEASING, INC.] | | | PWRC |
