CIG could stand for:

Organizations

* Cambridge Information Group, a privately held global investment firm focusing on information services, education and technology *

Confederación Intersindical Galega The Galician Unions Confederacy ( gl, italic=yes, Confederación Intersindical Galega, CIG) is a trade union in that was created after the merge of two previous unions: the INTG and the CXTG. It has a Galician nationalist and socialist ideology ...

(''Galician InterTrade Union Confederation'') is a Galician Trade union with the legal status of ''more representative trade union'' in Spain *

Columbia Insurance Group Columbia Mutual Insurance Company is the parent company of a group of five property and casualty insurance companies operating as the Columbia Insurance Group. The group of companies primarily focus on insuring businesses but, also, insure farms, ...

, a private US insurance company * Central Intelligence Group, the predecessor to the Central Intelligence Agency, active between 1946 and 1947 * Cloud Imperium Games, a PC game software developer * CIG, New York Stock Exchange stock symbol for Companhia Energetica de Minas Gerais S.A.

Others

* The

IEEE Conference on Computational Intelligence and Games The Institute of Electrical and Electronics Engineers (IEEE) is a 501(c)(3) professional association for electronic engineering and electrical engineering (and associated disciplines) with its corporate office in New York City and its operati ...

, an annual conference on computational intelligence research related to game applications * Cig, a colloquial term for a

cigarette A cigarette is a narrow cylinder containing a combustible material, typically tobacco, that is rolled into thin paper for smoking. The cigarette is ignited at one end, causing it to smolder; the resulting smoke is orally inhaled via the opp ...

* The

Canadian Improv Games The Canadian Improv Games (CIG) is an education based format of improvisational theatre for Canadian high schools. To participate in the games, high school students form teams of up to 8 players and are required to pay a registration fee (if t ...

, an annual nationwide Improvisation competition for high school students in Canada * '' Corpus Inscriptionum Graecarum'' (Berlin, 1825–1877), the first attempt at a standard corpus of the Greek inscriptions of Antiquity *

Computational Infrastructure for Geodynamics The Computational Infrastructure for Geodynamics (CIG) is a community-driven organization that advances Earth science by developing and disseminating software for geophysics and related fields. It is a National Science Foundation-sponsored collab ...

, an organization that develops and maintains open-source software for computational geophysics * IATA airport code for Craig-Moffat Airport * Cig, a village in Tăşnad Town, Satu Mare County, Romania *

Copper indium gallium selenide solar cells A copper indium gallium selenide solar cell (or CIGS cell, sometimes CI(G)S or CIS cell) is a thin-film solar cell used to convert sunlight into electric power. It is manufactured by depositing a thin layer of copper indium gallium selenide soluti ...

, a kind of a flexible, thin film solar cell * Career Integration Grants, part of Marie Curie Actions European research grants * Converter interfaced generation * ''CIG'', an abbreviation for the '' Corpus Inscriptionum Graecarum'' a collection of ancient Greek inscriptions. {{disambig