| 1 | CHS | Challenge Aviation Pty. Ltd. | Callsign: Challenge Aviation, | AUS | AVCODES |
| 2 | CHS | Chinggis Airways LLC | IATA: CW, Established in August 2011. Operations not started. | MGL | AVCODES |
| 3 | CHS | Challenge Aviation | | | ICAO1 |
| 4 | CHS | Charlotte Southern R.R. Co. | added 1/2004; eliminated 4/2004; 7/2005 | | NAKINA |
| 5 | CHS | CHARLOTTE SOUTHERN RAILROAD | | | PWRC |
| 6 | CHS | Charlotte Southern Railroad | | | RSRV |
| 7 | CHS | CHARLOTTE SOUTHERN RAILROAD COMPANY | | | SCAC4 |
| 8 | CHSA | CHARISMA SHIPPING LTD. OF MALTA | | | SCAC3 |
| 9 | CHSA | CHARISMA SHIPPING LTD. OF MALTA | | | SCAC4 |
| 10 | CHSB | CHASE, ALLEN C | | | SCAC3 |
| 11 | CHSC | CHASE CARRIERS | | | SCAC3 |
| 12 | CHSC | CHASE CARRIERS | | | SCAC4 |
| 13 | CHSD | CHESAPEAKE INDUSTRIES | | | SCAC3 |
| 14 | CHSE | CHEESE HAULING INC | | | SCAC3 |
| 15 | CHSF | CHRISTIE TRANSFER & STORAGE INC | | | SCAC3 |
| 16 | CHSG | CHRIS & SONS DELIVERY SERVICE | | | SCAC3 |
| 17 | CHSG | CHASE LTD | | | SCAC4 |
| 18 | CHSI | CHULA VISTA SANITARY SERVICES INC | | | SCAC3 |
| 19 | CHSI | CHULA VISTA SANITARY SERVICES INC | | | SCAC4 |
| 20 | CHSJ | CHASE TRANSFER CORPORATION | | | SCAC3 |
| 21 | CHSK | CHESAPEAKE LIMOUSINE SERVICE INC | | | SCAC3 |
| 22 | CHSK | CHESAPEAK | | | SCAC4 |
| 23 | CHSL | CHRISTAL LINES | | | SCAC4 |
| 24 | CHSM | CHASE MOVING & STORAGE | | | SCAC3 |
| 25 | CHSN | CHAN-SHELL INC | | | SCAC3 |
| 26 | CHSN | CHEMICAL ASSOCIATES TRANSPORTATION | | | SCAC4 |
| 27 | CHSO | CHIPMAN MOVING & STORAGE CO | | | SCAC3 |
| 28 | CHSP | CHRISTIAN TRANSPORT INC | | | SCAC4 |
| 29 | CHSQ | CHESSOR WAREHOUSE & DRAYAGE INC | | | SCAC3 |
| 30 | CHSQ | CHINA STEEL INC | | | SCAC4 |
| 31 | CHSR | Chillicothe Southern R.R. Co. | added 4/1986; eliminated 10/1987 | | NAKINA |
| 32 | CHSR | Chillicothe Southern R.R. Co. | added 4/86; eliminated 10/87 | | NRHS |
| 33 | CHSR | CHILLICOTHE SOUTHERN RAILROAD | | | PWRC |
| 34 | CHSS | CHASE TRUCKING | | | SCAC3 |
| 35 | CHST | CHESTER CARRIERS INC | | | SCAC3 |
| 36 | CHST | CHESTER CARRIERS INC | | | SCAC4 |
| 37 | CHSU | CHS CONTAINER HANDEL GMBH | | D | BIC |
| 38 | CHSU | BRAMBLES CONTAINER SERVICES | | | SCAC3 |
| 39 | CHSU | GUP CHAO CHUKTOSNAB | | | SCAC4 |
| 40 | CHSW | CHELSEA STORAGE WAREHOUSE CORP | | | SCAC3 |
| 41 | CHSX | CHS Inc. | added 4/2007 | | NAKINA |
| 42 | CHSX | Cenex Harvest States Cooperative | added 4/1999; 7/2000-7/2005; eliminated 4/2007 | | NAKINA |
| 43 | CHSX | Thomas Chestnut | 7/1923 | | NAKINA |
| 44 | CHSX | Cenex Harvest States Cooperative | added 4/99; 7/2000 | | NRHS |
| 45 | CHSX | *THOMAS CHESTNUT | | | PWRC |
| 46 | CHSX | *CARBON SCHUYKILL | | | PWRC |
| 47 | CHSX | +CHS INC. [CENEX HARVEST STATES COOPERATIVE] | | | PWRC |
| 48 | CHSX | Cenex Harvest States Cooperative | | | RSRV |
| 49 | CHSX | CHASE LEASING CO | | | SCAC3 |
| 50 | CHSX | CHS INC | | | SCAC4 |
| 51 | CHSX | Cenex Harvest States Cooperative | | USA | TRAFFIC |
| 52 | CHSY | CHAMSY TRANSFER INC | | | SCAC3 |
| 53 | CHSZ | *CITY OF HOT SPRINGS | | | PWRC |
| 54 | CHSZ | *INTERMODAL SERVICES, INC. | | | PWRC |
| 55 | CHSZ | City of Hot Springs (Intermodal Services Inc.) | | | RSRV |
| 56 | CHSZ | INTERMODAL SERVICES, INC. | | | SCAC4 |
