| 1 | CHH | Hainan Airlines Company Limited | IATA: HU, Callsign: Hainan, IATA Prefix: 880, Name changed to Hainan Airlines Holding Company Limited. IATA designator changed from HX | PRC | AVCODES |
| 2 | CHH | Hainan Airlines Company Limited | IATA: H4, Callsign: Hainan, IATA designator changed to HX | PRC | AVCODES |
| 3 | CHH | Hainan Airlines Company Limited | IATA: HX, Callsign: Hainan, IATA designator changed from H4. IATA changed to HU | PRC | AVCODES |
| 4 | CHH | Hainan Airlines Holding Company Limited | IATA: HU, Callsign: Hainan, IATA Prefix: 880, Name changed from Hainan Airlines Company Limited. IATA designator changed from HX | PRC | AVCODES |
| 5 | CHH | Hainan Airlines | IATA: HU | | ICAO1 |
| 6 | CHH | Cheswick & Harmar | 1/1975-1/1980 | | NAKINA |
| 7 | CHH | Cheswick & Harmar | 1/75-1/80 | | NRHS |
| 8 | CHH | CHESWICK & HARMAR RAILROAD | | | PWRC |
| 9 | CHH | Cheswick and Harmar | | | RSRV |
| 10 | CHHA | CAWARD HEAVY HAUL LLC | | | SCAC4 |
| 11 | CHHB | CHAPPELL HILL SAUSAGE COMPANY | | | SCAC4 |
| 12 | CHHC | CHANNEL HOME CENTERS INC | | | SCAC3 |
| 13 | CHHD | C & H HEAVY DUTY SPECIALISTS INC | | | SCAC3 |
| 14 | CHHE | CHARTERHOUSE | | | SCAC3 |
| 15 | CHHE | CANCHOLA ESCALANTE, JUAN ANTONIO | | | SCAC4 |
| 16 | CHHG | CHURCHILL TRUCKING INC | | | SCAC3 |
| 17 | CHHG | CHAUDHARY TRUCKING INC | | | SCAC4 |
| 18 | CHHH | CROSSROAD HIGHWAY HAULERS LLC | | | SCAC4 |
| 19 | CHHI | CHATTAHOOCHEE INDUSTRIAL SERVICES I | | | SCAC3 |
| 20 | CHHJ | CHERRY HILL MOVING & STORAGE | | | SCAC3 |
| 21 | CHHJ | CHERRY HILL MOVING & STORAGE | | | SCAC4 |
| 22 | CHHK | CHEROKEE TRANSPORTATION INC | | | SCAC3 |
| 23 | CHHK | CHINA SHIPPING CONTAINER LINES (HON | | | SCAC4 |
| 24 | CHHM | CHEMCENTRAL CORP | | | SCAC3 |
| 25 | CHHM | CMA HEAVY HAUL INC | | | SCAC4 |
| 26 | CHHN | CHRISTIANSEN, HARLIN TRUCKING INC | | | SCAC3 |
| 27 | CHHN | CHOHAN CARRIER LTD | | | SCAC4 |
| 28 | CHHO | CHA-CO TRAILS | | | SCAC3 |
| 29 | CHHP | CHURCHILL LOGISTICS INC | | | SCAC4 |
| 30 | CHHQ | CHERRY HILL CLUB LIMITED | | | SCAC4 |
| 31 | CHHR | CHATTANOOGA RUNNERS INC | | | SCAC3 |
| 32 | CHHS | CHRISTIANSON TRUCKING CO | | | SCAC3 |
| 33 | CHHT | CHRISTIANSEN TRUCKING | | | SCAC3 |
| 34 | CHHU | CLH CONTAINER LOGISTIC HAMBURG GMBH & CO KG | | D | BIC |
| 35 | CHHU | CLH CONTAINER LOGISTIC HAMBURG GMBH | | | SCAC4 |
| 36 | CHHV | CHENAULT, HARVEY | | | SCAC3 |
| 37 | CHHV | CLAIBORNE HEAVY HAULING LLC | | | SCAC4 |
| 38 | CHHW | CONTINENTAL HOME HARDWARE AND CABIN | | | SCAC4 |
| 39 | CHHY | CHERAMIE, HUEY L INC | | | SCAC3 |
| 40 | CHHY | COMERCIALIZADORA HERMANOS HAYASHI | | | SCAC4 |