| 3001 | BECX | FMC Corp., Inorganic Chemicals Division | Jul-65 | | NRHS |
| 3002 | BECX | FMC Corp. | Oct-66 | | NRHS |
| 3003 | BECX | FMC Corp., Inorganic Chemicals Division | 4/70-1/80 | | NRHS |
| 3004 | BECX | FMC Corp. | eliminated 7/93; 1/94; eliminated 10/97; 7/2000; added 10/2000 | | NRHS |
| 3005 | BECX | *BEAUFORD EAST COAST RAILROAD | | | PWRC |
| 3006 | BECX | +FMC CORP., INORGANIC CHEMICALS DIV. {BUFFALO ELECTRO-CHEMICAL CO. INC.; BECCO CHEMICAL DIV, FOOD MACHINERY & CHEMICAL CORP.] | | | PWRC |
| 3007 | BECX | Beauford East Coast Railroad (FMC Corporation) | | | RSRV |
| 3008 | BECX | FMC CORPORATION | | | SCAC4 |
| 3009 | BECY | BEACH OIL COMPANY INC | | | SCAC4 |
| 3010 | BED | Belgorod State Aviation Enterprise | Callsign: Belogorye, Name changed to Belgorod Aviation Enterprise, Joint-Stock Company | RUS | AVCODES |
| 3011 | BED | Belgorod Aviation Enterprise, Joint-Stock Company | Callsign: Belogorye, Name changed from Belgorod State Aviation Enterprise | RUS | AVCODES |
| 3012 | BED | Belgorod Aviation Enterprise | | | ICAO1 |
| 3013 | BEDA | BIDDLE EXPRESS DELIVERY INC | | | SCAC4 |
| 3014 | BEDB | BEL-DENCO INC | | | SCAC3 |
| 3015 | BEDC | BEATTIE & SANGER INCORPORATED | | | SCAC3 |
| 3016 | BEDC | BERTRAM DRILLING CORP | | | SCAC4 |
| 3017 | BEDD | BEDDES EQUIPMENT TRUCKING | | | SCAC3 |
| 3018 | BEDD | BARNES AND BERRY TRUCKING COMPANY I | | | SCAC4 |
| 3019 | BEDE | BEDFORD EXPRESS INC | | | SCAC3 |
| 3020 | BEDF | BEDFORD, C W | | | SCAC3 |
| 3021 | BEDF | BEDFORD TRANSPORTATION LTD | | | SCAC4 |
| 3022 | BEDH | B E D A ENTERPRISE INC | | | SCAC3 |
| 3023 | BEDI | B E DELIVERY SERVICE | | | SCAC4 |
| 3024 | BEDJ | BETTENDORF TRANSFER, INC | | | SCAC3 |
| 3025 | BEDJ | BETTENDORF TRANSFER & EXCAVATING IN | | | SCAC4 |
| 3026 | BEDL | BEST-AIRE COMPRESSOR SERVICES | | | SCAC4 |
| 3027 | BEDM | BEDFORD, M L TRUCKING | | | SCAC3 |
| 3028 | BEDM | BERRY FARMS | | | SCAC4 |
| 3029 | BEDN | BEDNOR TRUCKING | | | SCAC3 |
| 3030 | BEDN | BEDNAR TRUCKING SERVICE INC | | | SCAC4 |
| 3031 | BEDO | BEDWELLS DELIVERY SERVICE | | | SCAC3 |
| 3032 | BEDO | BEDARD EXCAVATION LLC | | | SCAC4 |
| 3033 | BEDP | BEDFORD TRANSPORT | | | SCAC4 |
| 3034 | BEDQ | BEDFORD FREIGHT LINES, INC | | | SCAC3 |
| 3035 | BEDQ | BEDFORD FREIGHT LINES INC | | | SCAC4 |
| 3036 | BEDR | BENDER, CLARE L TRUCKING CO | | | SCAC3 |
| 3037 | BEDS | BEDA INTERSTATE TRANSIT INC | | | SCAC3 |
| 3038 | BEDT | Brooklyn Eastern District Terminal | 1/1975-1/1980; eliminated 10/1983 | | NAKINA |
| 3039 | BEDT | Brooklyn Eastern District Terminal | 1/75-1/80; eliminated 10/83 | | NRHS |
| 3040 | BEDT | BROOKLYN EASTERN DISTRICT TERMINAL RR | | | PWRC |
| 3041 | BEDT | BROWN EVANS DISTRIBUTING CO | | | SCAC4 |
| 3042 | BEDV | BEAR DELIVERY SERVICE | | | SCAC3 |
| 3043 | BEDV | BIG DADDYS SPEED CENTER INC | | | SCAC4 |
| 3044 | BEDW | BEDWAY PRODUCE INC | | | SCAC4 |
| 3045 | BEDY | BERTS DELIVERY SERVICE | | | SCAC3 |
| 3046 | BEDY | BLUE EXPRESS | | | SCAC4 |
| 3047 | BEDZ | PKM Będzin | | PL | TRAFFIC |
| 3048 | BEDZIN | Przedsiębiorstwo Komunikacji Samochodowej w Będzinie | | PL | TRAFFIC |
| 3049 | BEE | Busy Bee Of Norway A/S | IATA: BS, Callsign: Busybee, Ceased operations | N | AVCODES |
| 3050 | BEE | Jersey European Airways Limited d/b/a British European | IATA: BE, Callsign: Jersey, IATA Prefix: 267, Name changed to Jersey European Airways Limited d/b/a Flybe w.e.f. 18 July 2002. IATA desigantor changed from JY w.e.f. 28 October 2001. ICAO desigantor changed from JEA | GB | AVCODES |
| 3051 | BEE | Flybe Limited | IATA: BE, Callsign: Jersey, IATA Prefix: 267, Ceased operations on 05 March 2020. Name change from Jersey European Airways Limited d/b/a British European w.e.f. 18 July 2002. IATA desigantor changed from JY w.e.f. 28 October 2001. ICAO desigantor changed from JEA | GB | AVCODES |
| 3052 | BEE | Flybe Limited | IATA: BE, Callsign: Jersey, Name changed from Thyme OpCo Limited on 13 April 2021. Ceased operations on 28 January 2023. | GB | AVCODES |
| 3053 | BEE | Flybe | IATA: BE | | ICAO1 |
| 3054 | BEE | Bentheimer Eisenbahn AG | Real: BE | D | TRAFFIC |
| 3055 | BEEB | BEETS TRUCKING | | | SCAC3 |
| 3056 | BEED | BEACH, ED INC | | | SCAC3 |
| 3057 | BEED | BEECROFT, DIANE M | | | SCAC4 |
| 3058 | BEEE | BEELER INC | | | SCAC3 |
| 3059 | BEEE | BEE EXCELLENT | | | SCAC4 |
| 3060 | BEEF | BEEF TRANSPORT INC | | | SCAC3 |
| 3061 | BEEF | BOWEN ENTERPRISES | | | SCAC4 |
| 3062 | BEEG | BEECHER, GEORGE | | | SCAC3 |
| 3063 | BEEG | BEE TRUCKING | | | SCAC4 |
| 3064 | BEEH | BEECH TRUCKING CO INC | | | SCAC3 |
| 3065 | BEEH | BEETS HANDMADE KNIVES | | | SCAC4 |
| 3066 | BEEI | BEEHIVE STATE AGRICULTURICAL COOPER | | | SCAC3 |
| 3067 | BEEI | BEELMAN LOGISTICS LLC | | | SCAC4 |
| 3068 | BEEJ | BEE-JAY TRANSPORTATION INC | | | SCAC3 |
| 3069 | BEEL | BEE LINE FREIGHT SERVICE | | | SCAC3 |
| 3070 | BEEL | BEELINE DISTRIBUTORS INC | | | SCAC4 |
| 3071 | BEELINE | Bee-Line | | USA | TRAFFIC |
| 3072 | BEEM | Beech Mountain R.R. Co. | 1/1975-7/2005 | | NAKINA |
| 3073 | BEEM | Beech Mountain R.R. Co. | 1/75-7/2000 | | NRHS |
| 3074 | BEEM | BEECH MOUNTAIN RAILROAD COMPANY | | | PWRC |
| 3075 | BEEM | Beech Mountain Railroad | | | RSRV |
| 3076 | BEEM | BEECH MOUNTAIN RAILROAD COMPANY | | | SCAC3 |
| 3077 | BEEN | BERRY ENTERPRISES | | | SCAC3 |
| 3078 | BEEN | BELLOTTI, GREGORY | | | SCAC4 |
| 3079 | BEEO | BELINE TRUCKING INC | | | SCAC3 |
| 3080 | BEEO | BENNETT, K P TRUCKING | | | SCAC4 |
| 3081 | BEEP | BELLEMARE EXPRESS INC | | | SCAC3 |
| 3082 | BEEP | BEEBOP & WALLY | | | SCAC4 |
| 3083 | BEER | BEELMAN RIVER TERMINALS INC | | | SCAC3 |
| 3084 | BEES | BEERS TRUCKING | | | SCAC3 |
| 3085 | BEES | BEE LINE TRANSPORT INC | | | SCAC4 |
| 3086 | BEET | BEE LINE TRUCKING INC | | | SCAC4 |
| 3087 | BEEV | BEVILL EXPRESS LLC | | | SCAC4 |
| 3088 | BEF | Balear Express, S.L. | Callsign: Balear Express, | E | AVCODES |
| 3089 | BEF | Balear Express | | | ICAO1 |
| 3090 | BEF | Berliner Eisenbahnfreunde e.V. | Berlin | D | privat-bahn.de |
| 3091 | BEF | Berliner Eisenbahnfreunde | | D | TRAFFIC |
| 3092 | BEF | Berliner Eisenbahnfreunde e.V. | | DE | VKM |
| 3093 | BEFA | BANDIT EXPRESS INC | | | SCAC4 |
| 3094 | BEFB | BELMONT FIBERS INC | | | SCAC4 |
| 3095 | BEFC | BURRILL, EUGENE F LUMBER CO | | | SCAC3 |
| 3096 | BEFD | B2B EXPRESS LLC | | | SCAC4 |
| 3097 | BEFE | B E F ENTERPRISES INC | | | SCAC4 |
| 3098 | BEFG | BEACON FREIGHT SYSTEMS | | | SCAC3 |
| 3099 | BEFH | BEAR FORWARDING, | | | SCAC3 |
| 3100 | BEFI | BEATRICE FREIGHT LINE INC | | | SCAC3 |
