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Our discipline categories are derived from the National Standard for Arts Information Exchange.

For more information, see the National Assembly of State Arts Agencies website.

Our institutional type categories are derived from the National Standard for Arts Information Exchange.

For more information, see the National Assembly of State Arts Agencies website.

NTEE (National Taxonomy of Exempt Entities) codes classify nonprofits on the basis of primary mission.

For more information, see National Center for Charitable Statistics website.

NAICS (North American Industry Classification System) codes are the current business classification system.

For more information, see the US Census Bureau website.

SIC (Standard Industrial Classification) codes are the older business classification system, replaced by NAICS.

For more information, see the US Census Bureau website.