| 1 | CAH | Command Airways | | ZA | AVCODES |
| 2 | CAH | Chari Aviation Services | IATA: S8, Callsign: Charlan, ceased operations on 26 May 2006. Designator S8* recalled by IATA | ZA | AVCODES |
| 3 | CAH | Siam Global Air Co., Ltd. | Callsign: Air Chaba, | T | AVCODES |
| 4 | CAH | E+S Air S.r.l. | Callsign: Smartair, | I | AVCODES |
| 5 | CAH | Charlan Air Charter | | | ICAO1 |
| 6 | CAHB | CAHOONS TRANSPORTATION INC | | | SCAC3 |
| 7 | CAHC | CAL HONO FREIGHT FORWARDERS INC | | | SCAC3 |
| 8 | CAHD | CARMITH ENTERPRISES INC | | | SCAC4 |
| 9 | CAHE | CATTANACH, ROBBIE TRUCKING | | | SCAC3 |
| 10 | CAHF | CAMPBELL, H F & SON, INC | | | SCAC3 |
| 11 | CAHG | CALIFORNIA HIGHWAY EXPRESS INC | | | SCAC3 |
| 12 | CAHG | COASTAL AIR HANDLING & CONSOLIDATIO | | | SCAC4 |
| 13 | CAHJ | CAHILL TRUCKING | | | SCAC3 |
| 14 | CAHJ | CASTILLO HERNANDEZ, JAVIER | | | SCAC4 |
| 15 | CAHL | CAHILL & SONS TRANSPORT INC | | | SCAC3 |
| 16 | CAHM | CATTELL FREIGHT SYSTEMS INC | | | SCAC3 |
| 17 | CAHN | CAHOON FARMS TRUCKING INC | | | SCAC3 |
| 18 | CAHO | CORNEILS, AUGUST H | | | SCAC3 |
| 19 | CAHP | CALHOUN TRANSPORTATION SERVICE INC | | | SCAC3 |
| 20 | CAHQ | CAPITOL HILL TRANSFER & STORAGE CO | | | SCAC3 |
| 21 | CAHQ | CALLAHAN TRUCKING LLC | | | SCAC4 |
| 22 | CAHR | CACHE ENTERPRISES INC | | | SCAC3 |
| 23 | CAHS | CAMHILL SERVICES INC | | | SCAC3 |
| 24 | CAHT | CHEETAH TRANSPORTATION COMPANY | | | SCAC3 |
| 25 | CAHT | CATCORP LOGISTICS INC | | | SCAC4 |
| 26 | CAHV | CARROLL HEAVY HAULING INC | | | SCAC3 |
| 27 | CAHX | General American Tank Car Corp. | 7/1923 | | NAKINA |
| 28 | CAHX | GENERAL AMERICAN TANK CAR CORP. | | | PWRC |
