| 1 | BH | Hawkair Aviation Services Ltd. | IATA Designator BH* recalled | CDN | AVCODES |
| 2 | BH | TEA Basel AG | ICAO: TSW, Callsign: Topswiss, Name changed to Easyjet Switzerland / ICAO designator changed to EZS. | CH | AVCODES |
| 3 | BH | TEA Switzerland AG | ICAO: TSW, Callsign: Topswiss, Name Changed to TEA Basle. Established on 18 May 1988. Commenced operations on 23 March 1989. | CH | AVCODES |
| 4 | BH | Transtate Airlines | Designator BH recalled by IATA | AUS | AVCODES |
| 5 | BH | Easyjet Switzerland S.A. | ICAO: EZS, Callsign: Topswiss, IATA Designator BH* recalled. Name changed from TEA Basel AG | CH | AVCODES |
| 6 | BH | Bahamasair Holdings Ltd. | ICAO: BHS, Callsign: Bahamas, Name changed to Bahamasair | BS | AVCODES |
| 7 | BH | Bismillah Airlines Ltd. | ICAO: BML, Callsign: Bismillah, IATA Prefix: 256, Designator 5Z recalled by IATA | BD | AVCODES |
| 8 | BH | Bath and Hammondsport R.R. Co. | 1/1975; added 7/1979; 1/1980; eliminated 10/1993; 1/1994 (not listed) | | NAKINA |
| 9 | BH | B&H Rail Corp. | 7/2005 | | NAKINA |
| 10 | BH | Bath and Hammondsport R.R. Co. | 1/75; added 7/79; 1/80; eliminated 10/93; 1/94 | | NRHS |
| 11 | BH | *BATH & HAMMONDSPORT RAILROAD COMPANY (CEASED OPERATIONS 12-93) | | | PWRC |
| 12 | BH | +B & H RAIL CORP. | | | PWRC |
| 13 | BH | Bath and Hammondsport Railroad (B and H Rail Corporation) | | | RSRV |
| 14 | BH | B & H RAIL CORP | | | SCAC4 |
| 15 | BH | | City: Bad Homburg | D | TRAFFIC |
| 16 | BHA | Buddha Air Pvt. Ltd. | IATA: U4, Callsign: Buddha Air, | NEP | AVCODES |
| 17 | BHA | Brennan and Hargreaves, Inc. | Callsign: Brennan, | USA | AVCODES |
| 18 | BHA | Buddha Air | | | ICAO1 |
| 19 | BHAB | BOHN ALUMINUM & BRASS | | | SCAC3 |
| 20 | BHAB | BHANGU BROS TRANSPORTATION LTD | | | SCAC4 |
| 21 | BHAC | BLACKHAWK AIRWAYS INC | | | SCAC3 |
| 22 | BHAC | BHULLAR TRANS INC | | | SCAC4 |
| 23 | BHAG | BHA GROUP INC | | | SCAC3 |
| 24 | BHAH | BECKER HAULING | | | SCAC4 |
| 25 | BHAM | BURNINGHAM, EARL & SONS | | | SCAC3 |
| 26 | BHAP | B H R TRANSPORTATION | | | SCAC4 |
| 27 | BHAQ | BRAID LOGISTICS NORTH AMERICA INC | | | SCAC4 |
| 28 | BHAR | BOSHART TRUCKING INC | | | SCAC3 |
| 29 | BHAR | BOSHART TRUCKING INC | | | SCAC4 |
| 30 | BHAS | BIBBS, HAROLD & SONS TRUCKING INC | | | SCAC3 |
| 31 | BHAT | BRADCO KITCHEN & BATH | | | SCAC4 |
| 32 | BHAW | B H LOGISTICS (BROKERAGE DIV OF BLA | | | SCAC4 |
| 33 | BHAY | BROOKS, H AND COMPANY | | | SCAC4 |
| 34 | BHBB | BUNKHOUSE BRAIDING | | | SCAC4 |
| 35 | BHBL | BEEHIVE BUSINESS & LEISURE TRAVEL | | | SCAC3 |
| 36 | BHBY | BASHORE, BARRY INC | | | SCAC3 |
| 37 | BHBY | BASHORE, BARRY INC | | | SCAC4 |
| 38 | BHBZ | BLACK HILLS BENTONITE | | | PWRC |
| 39 | BHC | Aerotaxis de la Bahia | Callsign: Bahia, | MEX | AVCODES |
| 40 | BHC | Aerotaxis De La Bahia | | | ICAO1 |
| 41 | BHCA | B H TRANSPORTATION COMPANY | | | SCAC4 |
| 42 | BHCB | BLYTHE CONSTRUCTION INC | | | SCAC4 |
| 43 | BHCC | B & H CARRIERS LP | | | SCAC4 |
| 44 | BHCD | BARNHART CONSOLIDATED INDUSTRIES CO | | | SCAC3 |
| 45 | BHCF | BREINHOLT CONTRACTING CO INC | | | SCAC4 |
| 46 | BHCI | BLACK HORSE CARRIERS INC | | | SCAC3 |
| 47 | BHCK | BIG HORN CO-OPERATIVE MARKETING ASS | | | SCAC4 |
| 48 | BHCL | BIRCH CREEK COLONY INC | | | SCAC4 |
| 49 | BHCM | B & S HAULING COMPANY | | | SCAC3 |
| 50 | BHCN | B & H CARTAGE INC | | | SCAC3 |
| 51 | BHCN | BUTCHER, RODNEY | | | SCAC4 |
| 52 | BHCO | BILLS HAULAGE CO | | | SCAC3 |
| 53 | BHCP | BETHCO TRANSPORTATION INC | | | SCAC3 |
| 54 | BHCQ | B & H CARTAGE INC | | | SCAC3 |
| 55 | BHCR | BLACK HILLS CENTRAL CITY NARROW GAUGE RAILROAD | | | PWRC |
| 56 | BHCR | Black Hills Central Railroad | | | RSRV |
| 57 | BHCR | BUCKHORN CARRIERS INC | | | SCAC3 |
| 58 | BHCS | BRIGHTNESS CO. S.A. | | | SCAC3 |
| 59 | BHCS | BUSCHS AUTO SUPPLIES INC | | | SCAC4 |
| 60 | BHCT | BELL HELICOPTER TEXTRON | | | SCAC4 |
| 61 | BHCU | BRIDGEHEAD CONTAINER SERVICES LTD | | GB | BIC |
| 62 | BHCU | BRIDGEHEAD CONTAINER SERVICE | | | PWRC |
| 63 | BHCU | Bridgehead Container Service | | | RSRV |
| 64 | BHCU | BRIDGEHEAD CONTAINER SERVICE LTD | | | SCAC3 |
| 65 | BHCU | BRIDGEHEAD CONTAINER SERVICES LTD | | | SCAC4 |
| 66 | BHCV | BUCKHEAD COACH | | | SCAC4 |
| 67 | BHCY | B R H CARRIER INC | | | SCAC4 |
| 68 | BHD | Bangkok Helicopter Services Co., Ltd | Callsign: Bangkok Dusit, | T | AVCODES |
| 69 | BHDC | BREITHOFF DRAYAGE & CONSTRUCTION | | | SCAC3 |
| 70 | BHDD | Carl Beutlhauser Baumaschinen GmbH | | DE | VKM |
| 71 | BHDI | BETTER HOME DELIVERIES INC | | | SCAC3 |
| 72 | BHDL | BETTER HOME DELIVERIES | | | SCAC3 |
| 73 | BHDR | BACKHAUL DIRECT | | | SCAC4 |
| 74 | BHDS | B & H DIRECT DELIVERY SERVICE INC | | | SCAC3 |
| 75 | BHDV | B & H DISTRIBUTION SERVICES INC | | | SCAC4 |
| 76 | BHE | Baltic Helicopters | Callsign: Baltic Helicopters, | LV | AVCODES |
| 77 | BHE | Biggen Hill Executive Aviation Ltd. | Callsign: Beeline, Formerly Omega Air | GB | AVCODES |
| 78 | BHE | Buxtehude-Harsefelder Eisenbahn | | D | TRAFFIC |
| 79 | BHE | Bremische Hafeneisenbahn | | DE | VKM |
| 80 | BHEB | BECKHAM EXPRESS | | | SCAC3 |
| 81 | BHEC | BLOHMS EXPRESS CO INC | | | SCAC3 |
| 82 | BHEC | BOWMAN, H ENTERPRISE INC | | | SCAC4 |
| 83 | BHED | B & H EXPRESS LTD | | | SCAC4 |
| 84 | BHEF | Buxtehude-Harsefelder Eisenbahnfreunde e.V. | Buxtehude | D | privat-bahn.de |
| 85 | BHEG | BUHRMASTER ENERGY GROUP | | | SCAC4 |
| 86 | BHEH | B H EXPRESS INC | | | SCAC4 |
| 87 | BHEI | B & H EXPRESS INC | | | SCAC3 |
| 88 | BHEI | BURNINGHAM ENTERPRISES INC | | | SCAC4 |
| 89 | BHEL | BOOTHEEL AREA RAPID TRANSPORTATION | | | SCAC3 |
| 90 | BHEL | BART TRANSPORTATION | | | SCAC4 |
| 91 | BHEP | BEACH EXPRESS INC | | | SCAC3 |
| 92 | BHEP | BROKEN HEART EXPRESS | | | SCAC4 |
| 93 | BHEQ | BULLDOG HIWAY EXPRESS | | | SCAC3 |
| 94 | BHES | BIRD HILL EXPRESS INC | | | SCAC3 |
| 95 | BHET | BAKER, HERMAN TRUCKING INC | | | SCAC3 |
| 96 | BHEV | Budapesti Helyiérdekû Vasút | City: Budapest | H | TRAFFIC |
| 97 | BHEV | Budapesti Helyi Érdekü Vasút | | HU | VKM |
| 98 | BHFD | BURKHART FEED & TRANSPORTATION INC | | | SCAC3 |
| 99 | BHFG | BLUE HORSE FOLK ART | | | SCAC4 |
| 100 | BHFI | BROYHILL FURNITURE INDUSTRIES INC | | | SCAC3 |