| 1 | CEP | Chipola Aviation, Inc. | Callsign: Chipola, | USA | AVCODES |
| 2 | CEP | Chipola Aviation | | | ICAO1 |
| 3 | CEP | Cerpini Costruzioni S.r.l. | | IT | VKM |
| 4 | CEPA | CONTINENTAL EXPRESS INC | | | SCAC3 |
| 5 | CEPB | CHARTER ENTERPRISES INC | | | SCAC3 |
| 6 | CEPB | C & M ENTERPRISES | | | SCAC4 |
| 7 | CEPC | CAMPBELL EXPRESS COMPANY | | | SCAC3 |
| 8 | CEPC | CHEVRON N | | | SCAC4 |
| 9 | CEPE | CEPEDA MORENO, FRANCISCO | | | SCAC4 |
| 10 | CEPF | CALE ENTERPRISES INC | | | SCAC3 |
| 11 | CEPG | CARLYLE ENTERPRISES S A | | | SCAC3 |
| 12 | CEPG | CARLYLE ENTERPRISES S A | | | SCAC4 |
| 13 | CEPH | CARLILE ENTERPRISES | | | SCAC3 |
| 14 | CEPH | CARLILE TRANSPORTATION SYSTEMS INC | | | SCAC4 |
| 15 | CEPI | CHERMON EXPRESS CORP | | | SCAC3 |
| 16 | CEPJ | C&E TRANSPORTATION, INC. | | | SCAC3 |
| 17 | CEPK | COAST EXPRESS INC | | | SCAC3 |
| 18 | CEPK | COPERNICUS EDUCATIONAL PRODUCTS INC | | | SCAC4 |
| 19 | CEPL | CEPEDA, SERGIO | | | SCAC4 |
| 20 | CEPM | CENTRAL EXPRESS INC | | | SCAC3 |
| 21 | CEPN | CARRIER EXPRESS INC | | | SCAC3 |
| 22 | CEPO | CENTROPORT DRAYAGE INC | | | SCAC3 |
| 23 | CEPP | COMET EXPRESS INC | | | SCAC3 |
| 24 | CEPP | CEPEDA MORENO, HERIBERTO | | | SCAC4 |
| 25 | CEPQ | CENTRAL PETROLEUM TRANSPORT INC | | | SCAC3 |
| 26 | CEPR | C E P | | | SCAC4 |
| 27 | CEPS | CHX EXPRESS LLC | | | SCAC4 |
| 28 | CEPT | CEDAR POINT TRUCKING INC | | | SCAC3 |
| 29 | CEPT | CEPHEUS TRANSPORT LTD | | | SCAC4 |
| 30 | CEPU | C.E.P S.R.L | | I | BIC |
| 31 | CEPV | CHEMICAL PROVISIONERS | | | SCAC3 |
| 32 | CEPW | COTTON ENTERPRISES | | | SCAC3 |
| 33 | CEPX | Trinity Industries Leasing Co. | added 10/2000; 7/2005 | | NAKINA |
| 34 | CEPX | Cajun Electric Power Cooperative, Inc. | added 1/1979; 1/1980-1/1994; eliminated 4/1995; 7/2000 (not listed) | | NAKINA |
| 35 | CEPX | Certain-teed Products Corp. | 8/1920-1/1941 | | NAKINA |
| 36 | CEPX | Certain-teed Products Corp. | Apr-38 | | NRHS |
| 37 | CEPX | Cajun Electric Power Cooperative, Inc. | added 1/79; 1/80-1/94; eliminated 4/95; 7/2000 | | NRHS |
| 38 | CEPX | Trinity Industries Leasing Co. | added 10/2000 | | NRHS |
| 39 | CEPX | *CERTAIN-TEED PRODUCTS CORP. | | | PWRC |
| 40 | CEPX | *CAJUN ELECTRIC POWER COOPERATIVE, INC. | | | PWRC |
| 41 | CEPX | *CENTRAL PLATEAU | | | PWRC |
| 42 | CEPX | +TRINITY INDUSTRIES LEASING CO. | | | PWRC |
| 43 | CEPX | Cajun Electric Power Cooperative (Trinity Industries Leasing) | | | RSRV |
| 44 | CEPX | TRINITY INDUSTRIES LEASING COMPANY | | | SCAC4 |
| 45 | CEPZ | CONTENENTAL EXPRESS INC | | | SCAC4 |
