The initialism IES may refer to:

Government organizations

Indian Economic Service The Indian Economic Service (abbreviated as IES, I.E.S.) is an inter-ministerial and inter-departmental central civil service under Group A of the executive branch of the Government of India. The unique aspect of the service is that the cadre ...

* Indian Education Service, in British India *

Institute for Environment and Sustainability The Institute for Environment and Sustainability (IES) used to be a specialised institute of the Joint Research Centre (JRC) directorate of the European Commission, based in Ispra, Italy. Its mission was to provide scientific and technical support ...

of the European Commission *

Institute of Education Sciences The Institute of Education Sciences (IES) is the independent, non-partisan statistics, research, and evaluation arm of the U.S. Department of Education. IES' stated mission is to provide scientific evidence on which to ground education practice ...

of the U.S. Department of Education

Non-profit organizations

* Institute for the International Education of Students *

Illuminating Engineering Society The Illuminating Engineering Society (IES), formerly the Illuminating Engineering Society of North America (IESNA), is an industry-backed, not-for-profit, learned society that was founded in New York City on January 10, 1906. The IES's stated ...

International Enterprise Singapore International Enterprise Singapore (abbreviation: IE Singapore) was a statutory board under the Ministry of Trade and Industry of the Government of Singapore that facilitated the growth of Singapore-based companies overseas and promoted interna ...

* International Society of Endocrinology * Israel Endocrine Society * Israel Exploration Society *

Institution of Environmental Sciences The Institution of Environmental Sciences (IES) is a professional body (professional association) in the United Kingdom. The organisation is a registered charity with the object of "to advance environmental protection and improvement by promoting ...

Companies

* IES Ltd (Integrated Export Systems), a transportation software company * Integrated Electrical Services *

Internationella Engelska Skolan Internationella Engelska Skolan (IES), or the International English School, is a Swedish corporation which operates independent schools (or “free schools”). IES was founded in 1993 by the American teacher Barbara Bergström who moved to Sweden ...

Other

* Indian Engineering Services *

Integrated Encryption Scheme Integrated Encryption Scheme (IES) is a hybrid encryption scheme which provides semantic security against an adversary who is able to use chosen-plaintext or chosen-ciphertext attacks. The security of the scheme is based on the computational Dif ...

, in cryptography, a public key cryptosystem *

Intertemporal elasticity of substitution Elasticity of intertemporal substitution (or intertemporal elasticity of substitution, EIS, IES) is a measure of responsiveness of the growth rate of consumption to the real interest rate. If the real interest rate rises, current consumption may ...

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