CEI may refer to:
Companies and organizations
*
Competitive Enterprise Institute
The Competitive Enterprise Institute (CEI) is a non-profit libertarian think tank founded by the political writer Fred L. Smith Jr. on March 9, 1984, in Washington, D.C., to advance principles of limited government, free enterprise, and individ ...
, a libertarian think-tank
* Council of Engineering Institutions, later the
Engineering Council
The Engineering Council (formerly Engineering Council UK; colloquially known as EngC) is the UK's regulatory authority for registration of Chartered and Incorporated engineers and engineering technician, holding a register of these and providin ...
* Cycle Engineers' Institute, a screw thread pattern, see
British Standard Whitworth
*
Episcopal Conference of Italy
The Italian Episcopal Conference ( it, Conferenza Episcopale Italiana) or CEI is the episcopal conference of the Italian bishops of the Catholic Church, the official assembly of the bishops in Italy.
The conference was founded in 1971 and carrie ...
or
Other uses
*
Central European Initiative, a forum of regional cooperation in Central and Eastern Europe
*
Chicago and Eastern Illinois Railroad
The Chicago and Eastern Illinois Railroad was a Class I railroad that linked Chicago to southern Illinois, St. Louis, and Evansville. Founded in 1877, it grew aggressively and stayed relatively strong throughout the Great Depression and two Wor ...
*
Common Electrical I/O The Common Electrical I/O (CEI) refers to a series of influential Interoperability Agreements (IAs) that have been published by the Optical Internetworking Forum (OIF). CEI defines the electrical and jitter requirements for 3.125, 6, 11, 25-28, and ...
, Interoperability Agreements
*
Corporate Equality Index The Corporate Equality Index is a report published by the Human Rights Campaign Foundation as a tool to rate American businesses on their treatment of gay, lesbian, bisexual and transgender employees, consumers and investors. Its primary source o ...
of US businesses regarding LGBT people
* IATA code for
Mae Fah Luang – Chiang Rai International Airport, Thailand
*
Child Exploitation Imagery, a category of illegal or harmful online content
See also
*
Cei (surname)
{{Disambiguation
