| 1 | CHB | Airline Chelyabinsk Air Enterprise Joint Stock Company | IATA: H6, Callsign: Cheravia, | RUS | AVCODES |
| 2 | CHB | China West Air Ltd. | IATA: PN, Callsign: West China, IATA Prefix: 847, Designator PN instated by IATA | PRC | AVCODES |
| 3 | CHBA | CHICO, B A MARINE SERVICE INC | | | SCAC3 |
| 4 | CHBB | CHARNER BUS CORP | | | SCAC3 |
| 5 | CHBB | CHAMPLAIN VALLEY PLUMBING & HEATING | | | SCAC4 |
| 6 | CHBC | CHARLES BLUESTONE COMPANY | | | SCAC3 |
| 7 | CHBE | CHAMBERS TRUCKING | | | SCAC3 |
| 8 | CHBF | CHAM BANA TRUCKING | | | SCAC3 |
| 9 | CHBG | CHEMICAL BARGE CO | | | SCAC3 |
| 10 | CHBH | CHINOOK BUS TOURS | | | SCAC3 |
| 11 | CHBH | CHAMBERS, ISAAC CORDILL | | | SCAC4 |
| 12 | CHBI | CHAPP & BUSHEY OIL CO | | | SCAC4 |
| 13 | CHBJ | CHOUINARD, LEON | | | SCAC4 |
| 14 | CHBK | CHICAGO BULK SALES & LEASING CO | | | SCAC3 |
| 15 | CHBK | CBSL TRANSPORTATION SERVICES INC | | | SCAC4 |
| 16 | CHBL | CHAMBERS LEASING SYSTEMS INC | | | SCAC3 |
| 17 | CHBL | CHAMBERS LEASING SYSTEMS INC | | | SCAC4 |
| 18 | CHBM | CHRABOLOWSKI, JOHN MOVING & STORAGE | | | SCAC3 |
| 19 | CHBN | CHALLENGER PETROLEUM TRANSPORTATION | | | SCAC4 |
| 20 | CHBP | CHARLESTON HARBOR XPRESS (CHX) INC | | | SCAC4 |
| 21 | CHBS | CHAMBERS TRANSPORT INC | | | SCAC3 |
| 22 | CHBS | CHAHAL BROTHERS TRUCKING LTD | | | SCAC4 |
| 23 | CHBT | CABLE TRANSPORT INC | | | SCAC3 |
| 24 | CHBT | CABLE TRANSPORT INC | | | SCAC4 |
| 25 | CHBU | LAUENBRUCH GMBH | | | SCAC3 |
| 26 | CHBV | CHAMBLEE VETS TRANSPORT | | | SCAC3 |
| 27 | CHBV | CHAULK MOUND TROUT RANCH | | | SCAC4 |
| 28 | CHBW | CHAFEN BODY WORKS INC | | | SCAC3 |
| 29 | CHBW | CHALLENGER ENT LTD | | | SCAC4 |
| 30 | CHBX | The California Conserving Co., Inc. | 7/1935-1/1946 | | NAKINA |
| 31 | CHBX | The California Conserving Co., Inc. | Apr-38 | | NRHS |
| 32 | CHBX | CALIFORNIA CONSERVING CO., INC. | | | PWRC |
| 33 | CHBY | CHARLOTTE BAY TRADING CO | | | SCAC3 |
