CEI

CEI may refer to:

Companies and organizations[edit]

Competitive Enterprise Institute, a libertarian think-tank
Council of Engineering Institutions, later the Engineering Council
Cycle Engineers' Institute, a screw thread pattern, see British Standard Whitworth
Episcopal Conference of Italy or Conferenza Episcopale Italiana

Other uses[edit]

Central European Initiative, a forum of regional cooperation in Central and Eastern Europe
Chicago and Eastern Illinois Railroad
Common Electrical I/O, Interoperability Agreements
Corporate Equality Index of US businesses regarding LGBT people
IATA code for Chiang Rai International Airport, Thailand
Child Exploitation Imagery, a category of illegal or harmful online content

See also[edit]

Cei (surname)

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