| 1 | CHL | Cohlmia Aviation | Callsign: Cohlmia, | USA | AVCODES |
| 2 | CHL | Cranfield Helicopters Ltd. | | GB | AVCODES |
| 3 | CHL | Cohlmia Aviation | | | ICAO1 |
| 4 | CHL | C & H BUS LINES INC | | | SCAC4 |
| 5 | CHLA | CHARRON TRANSPORT LIMITED | | | SCAC3 |
| 6 | CHLA | CHARRON TRANSPORT LIMITED | | | SCAC4 |
| 7 | CHLB | CHALLY BROS TRUCK SERVICE | | | SCAC3 |
| 8 | CHLC | CHEM-LINK CO, | | | SCAC3 |
| 9 | CHLC | CHELL TRUCKING | | | SCAC4 |
| 10 | CHLD | CHL TRUCKING | | | SCAC3 |
| 11 | CHLE | CHARLEVOIX EXPRESS INC | | | SCAC3 |
| 12 | CHLE | CHARLEVOIX EXPRESS INC | | | SCAC4 |
| 13 | CHLF | CHL TRANSPORTING & HAULING CO | | | SCAC4 |
| 14 | CHLG | CHALLENGE TRANSPORT INC | | | SCAC3 |
| 15 | CHLG | CHILDS TRUCKIN | | | SCAC4 |
| 16 | CHLH | CHESTERTON LIMOUSINE SERVICE | | | SCAC3 |
| 17 | CHLH | CHASE TRANSPORTATION & LOGISTICS LL | | | SCAC4 |
| 18 | CHLI | CHAMPION LABORATORIES INC | | | SCAC4 |
| 19 | CHLJ | CHANCELLOR, LARRY JOE | | | SCAC3 |
| 20 | CHLJ | CHI LOGISTICS LLC | | | SCAC4 |
| 21 | CHLL | CHALLENGER TRANSPORTATION INC | | | SCAC4 |
| 22 | CHLM | CHISHOLM TRANSPORTATION COMPANY | | | SCAC3 |
| 23 | CHLM | CHISHOLM TRUCKING LLC | | | SCAC4 |
| 24 | CHLN | CHELAN TRANSFER COMPANY, INC | | | SCAC3 |
| 25 | CHLN | CHELAN TRANSFER COMPANY INC | | | SCAC4 |
| 26 | CHLO | CHAMPLAIN OIL COMPANY INC | | | SCAC4 |
| 27 | CHLQ | CAROLINA HAULERS INC | | | SCAC3 |
| 28 | CHLR | CHEM LAB PRODUCTS INC | | | SCAC3 |
| 29 | CHLR | CHATEAU LINGERIE MFG INC | | | SCAC4 |
| 30 | CHLS | CHAMPAGNE LIMOUSINES | | | SCAC3 |
| 31 | CHLT | CHALLENGE AIR INTERNATIONAL INC. | | | SCAC3 |
| 32 | CHLU | MARGUISA SHIPPING LINES | | E | BIC |
| 33 | CHLU | CONSORTIUM HISPANA LINES SA | | | SCAC4 |
| 34 | CHLV | CHRISTIE-LAMBERT VAN & STORAGE CO I | | | SCAC3 |
| 35 | CHLW | CRAIG'S HAULING LLC | | | SCAC4 |
| 36 | CHLX | Chemleco, Inc. | added 7/1981; 1/1994-7/2000; eliminated 4/2001; 7/2005 (not listed) | | NAKINA |
| 37 | CHLX | Cutler-Hammer Inc. | added 7/1958; 4/1961-4/1970; eliminated 7/1972 | | NAKINA |
| 38 | CHLX | Cutler-Hammer Inc. | added 7/58; 4/61-4/70 | | NRHS |
| 39 | CHLX | Chemleco, Inc. | added 7/81; 1/94-7/2000; eliminated 4/2001 | | NRHS |
| 40 | CHLX | *CUTLER-HAMMER INC. | | | PWRC |
| 41 | CHLX | *COMO-HARRIET STREETCAR LINE | | | PWRC |
| 42 | CHLX | +CHEMLECO, INC. | | | PWRC |
| 43 | CHLX | Chemleco | | | RSRV |
| 44 | CHLX | CUTLER-HAMMER INC | | | SCAC3 |
| 45 | CHLX | CHEMLECO INC | | | SCAC4 |
| 46 | CHLY | CHAR LYN TRUCKING | | | SCAC3 |
