| 1 | CHW | Charter Air GES.m.b.H. & Co. Kg | Callsign: Charter Wien, | A | AVCODES |
| 2 | CHW | Capitol Helicopters | Callsign: Capitol Shuttle, | USA | AVCODES |
| 3 | CHW | Charter Air | | | ICAO1 |
| 4 | CHW | Norfolk Southern Ry. Co. | added 1/1991; 1/1994-7/2005 | | NAKINA |
| 5 | CHW | Chesapeake Western Ry. | 1/1975; added 1/1980; 1/1980; eliminated 1/1991 | | NAKINA |
| 6 | CHW | Chesapeake Western Ry. | 1/75; added 1/80; 1/80; eliminated 1/91 | | NRHS |
| 7 | CHW | Norfolk Southern Ry. Co. | added 1/91; 1/94-7/2000 | | NRHS |
| 8 | CHW | NORFOLK SOUTHERN [CHESAPEAKE WESTERN RY] | | | PWRC |
| 9 | CHW | Chesapeake Western Railway (Norfolk Southern) | | | RSRV |
| 10 | CHW | CHESAPEAKE WESTERN RAILWAY | | | SCAC4 |
| 11 | CHW | Chesapeake Western Ry. | | USA | TRAFFIC |
| 12 | CHWC | CHILD WORLD INC | | | SCAC3 |
| 13 | CHWC | CHOCTAW LOGISTICS | | | SCAC4 |
| 14 | CHWD | CALIFORNIA HARDWARE COMPANY | | | SCAC3 |
| 15 | CHWD | CHERRYWOOD CABINETS | | | SCAC4 |
| 16 | CHWE | CHEHALIS WESTERN | | | PWRC |
| 17 | CHWE | Chehalis Western | | USA | TRAFFIC |
| 18 | CHWF | CAL-HAWAIIAN FREIGHT INC | | | SCAC3 |
| 19 | CHWF | CHASE FARMS LLC | | | SCAC4 |
| 20 | CHWG | CHARITY WAGON | | | SCAC3 |
| 21 | CHWG | CHESROWN TRUCKING | | | SCAC4 |
| 22 | CHWH | CHAFFEE WAREHOUSE&TRUCKING CO | | | SCAC3 |
| 23 | CHWI | CHELSEA WAREHOUSE INC | | | SCAC3 |
| 24 | CHWI | CHELSEA WAREHOUSE INC | | | SCAC4 |
| 25 | CHWJ | CHOW, JOSEPH S LTD | | | SCAC3 |
| 26 | CHWJ | CHOW, JOSEPH S LTD | | | SCAC4 |
| 27 | CHWM | CHADWICK, MEL TRUCKING | | | SCAC3 |
| 28 | CHWM | CHAMBERS MOTORS INC | | | SCAC4 |
| 29 | CHWN | COVICH WILLIAMS CO INC | | | SCAC4 |
| 30 | CHWO | CHASE WAREHOUSE CORP | | | SCAC3 |
| 31 | CHWP | CHICAGO WALLPAPER | | | SCAC3 |
| 32 | CHWP | CHARTWORLD MARITIME MANAGEMENT CORP | | | SCAC4 |
| 33 | CHWQ | CHIPPEWA FARMERS UNION CO-OPERATIVE | | | SCAC3 |
| 34 | CHWQ | CHIPPEWA TRANSPORTATION INC | | | SCAC4 |
| 35 | CHWR | CHEW CARTAGE CO INC | | | SCAC3 |
| 36 | CHWR | C H W TRANSPORT CORP | | | SCAC4 |
| 37 | CHWS | CHEWTERS CHOCOLATES | | | SCAC4 |
| 38 | CHWT | CHAWEL PRODUCTS | | | SCAC4 |
| 39 | CHWU | CHUNG HWA CHEMICAL INDUSTRIAL WORKS, LTD. | | RC | BIC |
| 40 | CHWU | CHEROKEE WEST ENTERPRISES | | | SCAC4 |
| 41 | CHWV | CATCH THE WIND INC | | | SCAC4 |
| 42 | CHWY | CENTRAL HIGHWAY OIL CO INC | | | SCAC4 |
