| 4101 | BGCL | BOUGAINVILLE COPPER LTD PAPUA NGUIN | | | SCAC3 |
| 4102 | BGCL | BERGER OHIO INC (BERGER CLEVELAND) | | | SCAC4 |
| 4103 | BGCM | BG & CM RAILROAD (BOUNTIFUL GRAIN & CRAIG MOUNTAIN RAILROAD) | | | PWRC |
| 4104 | BGCM | Bountiful Grain and Craig Mountain Railroad | | | RSRV |
| 4105 | BGCM | BG & CM RAILROAD | | | SCAC4 |
| 4106 | BGCM | Bountiful Grain and Craig Mountain Railroad | | USA | TRAFFIC |
| 4107 | BGCN | BELGRADE COOP ASSOCIATION | | | SCAC4 |
| 4108 | BGCO | BEGGS & COBB CORP | | | SCAC3 |
| 4109 | BGCP | B E D LOGISTICS CORP | | | SCAC4 |
| 4110 | BGCQ | BENNETTS GARNETT C & SONS | | | SCAC3 |
| 4111 | BGCR | B & G CRANE SERVICE INC | | | SCAC3 |
| 4112 | BGCS | BRIDGE CARRIERS INC | | | SCAC4 |
| 4113 | BGCT | BORING TRANSPORT INC | | | SCAC3 |
| 4114 | BGCT | BERGER OHIO INC (BERGER CINCINNATI) | | | SCAC4 |
| 4115 | BGCX | Badger Grain Co. | added 10/2003; eliminated 1/2004; 7/2005 (not listed) | | NAKINA |
| 4116 | BGCX | Belleville Gas Corp. | 4/1970-1/1980 | | NAKINA |
| 4117 | BGCX | Belleville Gas Corp., Inc. | added 1/1966; 10/1966; eliminated 7/1968 | | NAKINA |
| 4118 | BGCX | BGCX (The Akin Gasoline Co.) | 8/1920 | | NAKINA |
| 4119 | BGCX | Belleville Gas Corp., Inc. | added 1/66; 10/66; eliminated 7/68 | | NRHS |
| 4120 | BGCX | Belleville Gas Corp. | 4/70-1/80 | | NRHS |
| 4121 | BGCX | *BGCX (AKIN GASOLINE CO.) | | | PWRC |
| 4122 | BGCX | *BELLEVILLE GAS CORP. | | | PWRC |
| 4123 | BGCX | +BADGER GRAIN CO. | | | PWRC |
| 4124 | BGCX | BELLEVILLE GAS CORP INC | | | SCAC3 |
| 4125 | BGCX | BADGER GRAIN COMPANY INC | | | SCAC4 |
| 4126 | BGCY | BALES TRUCKING COMPANY | | | SCAC3 |
| 4127 | BGCY | BEST AMERICAN FORWARDING | | | SCAC4 |
| 4128 | BGD | Air Bangladesh (Pvt.) Limited | IATA: B9, Callsign: Air Bangla, Founded in 1997. | BD | AVCODES |
| 4129 | BGD | Air Bangladesh | IATA: B9 | | ICAO1 |
| 4130 | BGDC | BIG DOG TRUCKING | | | SCAC4 |
| 4131 | BGDE | BENGE, DOUG ENTERPRISES | | | SCAC3 |
| 4132 | BGDG | BIG DAWGS INC | | | SCAC4 |
| 4133 | BGDI | BGD TRUCKING CO LLC | | | SCAC4 |
| 4134 | BGDL | BERGER-DALLAS INC | | | SCAC3 |
| 4135 | BGDL | BERGER TEXAS INC (BERGER DALLAS) | | | SCAC4 |
| 4136 | BGDO | BIG D TRANSPORTATION INC | | | SCAC4 |
| 4137 | BGDQ | BARRETT, GERALD A INC | | | SCAC4 |
| 4138 | BGDS | B & G DELIVERY SYSTEMS INC | | | SCAC3 |
| 4139 | BGDS | B & G DELIVERY SYSTEM INC | | | SCAC4 |
| 4140 | BGDU | VK TRADING LIMITED | | M | BIC |
| 4141 | BGDW | BIG DAWG TRANSPORT | | | SCAC4 |
| 4142 | BGDY | BERGESEN D.Y. A/S | | | SCAC3 |
| 4143 | BGDY | BW GAS ASA | | | SCAC4 |
| 4144 | BGE | Bridge Airlines | Callsign: Bridge Air, | LB | AVCODES |
| 4145 | BGE | Aerobridge | Callsign: Aerobridge, | USA | AVCODES |
| 4146 | BGEA | BIG EASY TRANSPORTATION INC | | | SCAC3 |
| 4147 | BGEB | BRADY TRUCKING CO LLC | | | SCAC4 |
| 4148 | BGEC | BLUE EAGLE COACHES | | | SCAC3 |
| 4149 | BGED | BIG G EXPRESS INC | | | SCAC4 |
| 4150 | BGEE | BERGMAN, ELDRED E | | | SCAC3 |
| 4151 | BGEF | BIGELOWS TRANSPORT | | | SCAC4 |
| 4152 | BGEH | BENGE, H L TRUCKING | | | SCAC3 |
| 4153 | BGEI | BUDGET TRANSPORTATION INC | | | SCAC3 |
| 4154 | BGEJ | BOSTON & GLOUCESTER EXPRESS INC | | | SCAC4 |
| 4155 | BGEK | BERGERTRUCKING | | | SCAC3 |
| 4156 | BGEK | BIG ELK TRANSPORT | | | SCAC4 |
| 4157 | BGEL | BRIGDEN ENTERPRISES LTD | | | SCAC4 |
| 4158 | BGEN | BATES, GENE TRUCKING | | | SCAC3 |
| 4159 | BGEN | BLACK, GEORGE ENTERPRISES INC | | | SCAC4 |
| 4160 | BGEO | BROCKE, GEORGE F & SONS INC | | | SCAC3 |
| 4161 | BGEO | BROCKE, GEORGE F & SONS INC | | | SCAC4 |
| 4162 | BGEP | BLACK GOLD EXPRESS INC | | | SCAC3 |
| 4163 | BGEQ | BRIDGE TRUCKING | | | SCAC3 |
| 4164 | BGEQ | BOSTON GRANITE EXCHANGE INC | | | SCAC4 |
| 4165 | BGER | BERGER TRUCKING | | | SCAC3 |
| 4166 | BGES | BURGESS TRANSPORT, INC | | | SCAC3 |
| 4167 | BGES | B G EXPRESS INC | | | SCAC4 |
| 4168 | BGET | BIG E TRANSPORTATION LLC | | | SCAC4 |
| 4169 | BGEV | BURLINGTON ENVIRONMENTAL LLC | | | SCAC4 |
| 4170 | BGEX | General American Marks Co. | added 1/2003; 7/2005 | | NAKINA |
| 4171 | BGEX | GATX Financial Corp. | added 1/2002; eliminated 1/2003 | | NAKINA |
| 4172 | BGEX | GATX Capital Corp. | added 10/1996; 7/2000; eliminated 1/2002 | | NAKINA |
| 4173 | BGEX | U.S. Rail Services, Inc. | added 10/1993; 1/1994; eliminated 4/1994 | | NAKINA |
| 4174 | BGEX | USL Capital Rail Services | added 4/1994; eliminated 10/1996 | | NAKINA |
| 4175 | BGEX | General Electric Railcar Services Corp. | added 4/1991; eliminated 10/1993 | | NAKINA |
| 4176 | BGEX | General Electric Railcar BRAE Services Corp. | added 4/1990; eliminated 4/1991 | | NAKINA |
| 4177 | BGEX | General Electric Railcar BRAE Services Corp. | added 4/90; eliminated 4/91 | | NRHS |
| 4178 | BGEX | General Electric Railcar Services Corp. | added 4/91; eliminated 10/93 | | NRHS |
| 4179 | BGEX | U.S. Rail Services, Inc. | added 10/93; 1/94; eliminated 4/94 | | NRHS |
| 4180 | BGEX | USL Capital Rail Services | added 4/94; eliminated 10/96 | | NRHS |
| 4181 | BGEX | GATX Capital Corp. | added 10/96; 7/2000 | | NRHS |
| 4182 | BGEX | *(RUSX) USL CAPTIAL RAIL SERVICES | | | PWRC |
| 4183 | BGEX | +GENERAL AMERICAN MARKS CO. (GATX CAPITAL CORPORATION) [USL RAIL SERVICES, INC.; US RAIL SERVICES; GENERAL ELECTRIC RAILCAR SERVICES] | | | PWRC |
| 4184 | BGEX | General American Marks (GATX Corporation) | | | RSRV |
| 4185 | BGEX | GENERAL AMERICAN MARKS COMPANY | | | SCAC4 |
| 4186 | BGEY | BRAGDON ENERGY SERVICE | | | SCAC4 |
| 4187 | BGEZ | BOWMAN GRAIN ELEVATOR | | | PWRC |
| 4188 | BGF | Aviodetachment-28 | Callsign: Bulgarian, Name changed to Special Purpose Aviation Operator-SAO | BG | AVCODES |
| 4189 | BGF | Special Purpose Aviation Operator-SAO | Callsign: Bulgarian, Name changed from Aviodetachment-28. | BG | AVCODES |
| 4190 | BGF | Aviodetachment-28 | | | ICAO1 |
| 4191 | BGFA | BERGEN FALCON | | | SCAC3 |
| 4192 | BGFC | B G FREIGHT SERVICE | | | SCAC4 |
| 4193 | BGFD | BARRY GRAIN & FEED INCORPORATED | | | SCAC3 |
| 4194 | BGFE | BARGAIN FUELS | | | SCAC4 |
| 4195 | BGFF | BRIDGFORD FOODS CORPORATION | | | SCAC3 |
| 4196 | BGFH | BEIBU GULF SHIPPING LIMITED | | | SCAC4 |
| 4197 | BGFI | BRIDGESTONE AMERICAS TIRE OPERATION | | | SCAC4 |
| 4198 | BGFL | BUDGET FREIGHT LINES | | | SCAC3 |
| 4199 | BGFL | BROWN, GERALD E & SCHAEFER, LIZ | | | SCAC4 |
| 4200 | BGFM | BIG FOUR MOVING & STORAGE CO | | | SCAC3 |
