| 1 | CHE | Top Flight Air Service, Inc. | Callsign: Check Air, | USA | AVCODES |
| 2 | CHE | Top Flight Air Service | | | ICAO1 |
| 3 | CHE | Chessie System: Chesapeake & Ohio | Real: CO | USA | TRAFFIC |
| 4 | CHEA | CHESAPEAK | | | SCAC4 |
| 5 | CHEB | CHERNEY COMPANY, A CORPORATION | | | SCAC3 |
| 6 | CHEB | CHERRY CITY TRANSPORTATION SERVICES | | | SCAC4 |
| 7 | CHEC | CHEMICAL EXPRESS CARRIERS INC | | | SCAC3 |
| 8 | CHED | CHERRY HILL TRANSIT, A CORPORATION | | | SCAC3 |
| 9 | CHEE | CHEETAH TRANSPORT LTD | | | SCAC4 |
| 10 | CHEG | CHEMICAL EXPLORER INC, | | | SCAC3 |
| 11 | CHEG | COUNTRY HERBS | | | SCAC4 |
| 12 | CHEH | CHEETAH TRANS | | | SCAC4 |
| 13 | CHEI | CHEROKEE TRANSPORT | | | SCAC3 |
| 14 | CHEJ | CX ROBERSON, INC | | | SCAC3 |
| 15 | CHEJ | CHEYENNE EXPRESS INC | | | SCAC4 |
| 16 | CHEK | CHESAPEAK | | | SCAC4 |
| 17 | CHEL | CHEMLINE INC | | | SCAC3 |
| 18 | CHEL | CHEM-ECOL LTD | | | SCAC4 |
| 19 | CHELY | | City: Chelyabinsk | RUS | TRAFFIC |
| 20 | CHEM | OIL CORPORATION | | | SCAC3 |
| 21 | CHEM | Chemion Logistik GmbH | | D | TRAFFIC |
| 22 | CHEMNITZ | Stadt Chemnitz | | D | TRAFFIC |
| 23 | CHEMS | Chems, a.s. Humenné | | SK | VKM |
| 24 | CHEMUNG | Chemung County Transit | | UAE | TRAFFIC |
| 25 | CHEO | CHESHIRE OIL COMPANY INC | | | SCAC4 |
| 26 | CHEP | CHIPPER EXPRESS INC | | | SCAC3 |
| 27 | CHEP | CHIPPER EXPRESS INC | | | SCAC4 |
| 28 | CHEQ | CHANTLER TRANSPORT | | | SCAC4 |
| 29 | CHER | CHERRY HILL HARDWOODS INC | | | SCAC4 |
| 30 | CHES | C H EXPRESS INC | | | SCAC4 |
| 31 | CHEST | Chestnut Hill | | USA | TRAFFIC |
| 32 | CHET | CHEMICAL TRANSPORT SERVICES INC | | | SCAC3 |
| 33 | CHET | CHEVAL TRANSPORT LTD | | | SCAC4 |
| 34 | CHEU | LLC CHEMRESURS | | RUS | BIC |
| 35 | CHEU | CHEVRON OIL | | | SCAC3 |
| 36 | CHEU | CHEVRON ORONITE PTE LTD | | | SCAC4 |
| 37 | CHEV | Chevrolet | | USA | TRAFFIC |
| 38 | CHEX | Equistar Chemicals, LP | added 4/1998; 7/2000-7/2005 | | NAKINA |
| 39 | CHEX | Quantum Chemical Corporation, USI Division | added 7/1988; 1/1994; eliminated 4/1998 | | NAKINA |
| 40 | CHEX | USI Chemicals Co., Division of National Distillers & Chemical Corp. | added 7/1987; eliminated 7/1988 | | NAKINA |
| 41 | CHEX | U.S. Industrial Chemicals Co., Division of National Distillers and Chemical Corp. | eliminated 7/1987 | | NAKINA |
| 42 | CHEX | USI Chemicals Co., Inc. | added 4/1987 | | NAKINA |
| 43 | CHEX | Enron Chemical Co. | added 10/1986; eliminated 4/1987 | | NAKINA |
| 44 | CHEX | NORCHEM, Inc. | added 1/1986; eliminated 10/1986 | | NAKINA |
| 45 | CHEX | NORCHEM | added 7/1985; eliminated 1/1986 | | NAKINA |
| 46 | CHEX | Northern Petrochemical Co. | added 4/1985; eliminated 7/1985 | | NAKINA |
| 47 | CHEX | Chemplex Co. | added 10/1967; 4/1970-1/1980; eliminated 4/1985 | | NAKINA |
| 48 | CHEX | Chemplex Co. | added 10/67; 4/70-1/80; eliminated 4/85 | | NRHS |
| 49 | CHEX | Northern Petrochemical Co. | added 4/85 | | NRHS |
| 50 | CHEX | NORCHEM | eliminated 1/86 | | NRHS |
| 51 | CHEX | NORCHEM, Inc. | added 1/86; eliminated 10/86 | | NRHS |
| 52 | CHEX | Enron Chemical Co. | added 10/86; eliminated 4/87 | | NRHS |
| 53 | CHEX | USI Chemicals Co., Inc. | added 4/87 | | NRHS |
| 54 | CHEX | U.S. Industrial Chemicals Co., Division of National Distillers and Chemical Corp. | eliminated 7/87 | | NRHS |
| 55 | CHEX | USI Chemicals Co., Division of National Distillers & Chemical Corp. | added 7/87; eliminated 7/88 | | NRHS |
| 56 | CHEX | Quantum Chemical Corporation, USI Division | added 7/88; 1/94; eliminated 4/98 | | NRHS |
| 57 | CHEX | Equistar Chemicals, LP | added 4/98; 7/2000 | | NRHS |
| 58 | CHEX | EQUISTAR CHEMICALS [(USIX) QUANTUM CHEMICAL CORPORATION, USI DIVISION; CHEMPLEX CO.; ENRON; NORCHEM; AND OTHER PREDECESSOR COMPANIES] | | | PWRC |
| 59 | CHEX | Chemplex (Equistar Chemicals) | | | RSRV |
| 60 | CHEX | EQUISTAR CHEMICALS LP | | | SCAC4 |
| 61 | CHEY | CHEETAH TRANSPORTATION SYSTEMS INC | | | SCAC4 |
| 62 | CHEZ | CEDAR HEIGHTS CLAY COMPANY | | | PWRC |
