en CEI

CEI may refer to:

Organizations

Central European Initiative, a forum of regional cooperation in Central and Eastern Europe
Clean Energy Institute, a renewable energy research institute at the University of Washington, in Seattle, Washington, US
Cleveland Electric Illuminating Company, a defunct American utility company
College of Eastern Idaho, a public community college in Idaho Falls, Idaho, US
Commission électorale indépendante (Democratic Republic of the Congo) or Independent Electoral Commission, former name of the Independent National Electoral Commission
Commission électorale indépendante (Ivory Coast) [de; fr] or Independent Electoral Commission, body that oversees elections in Ivory Coast
Competitive Enterprise Institute, an American libertarian think tank
Conferenza Episcopale Italiana or Episcopal Conference of Italy, conference of Roman Catholic bishops
Council of Engineering Institutions, later the Engineering Council, a British regulatory authority
Creative Engineering, Inc., American company
Cycle Engineers' Institute, a screw thread pattern, see British Standard Whitworth