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Trade and industry associations provide a variety of services to their members and often, in addition, data and information about the industry to the public. Many publish trade magazines and/or statistical annuals, both good sources of industry information. Association web sites are often worth exploring.
Search this directory from the American Society of Association Executives for trade/industry associations and links their web sites.
Encyclopedia of Associations
Call number: Ref. HS17 .G3 Available in paper only in Reference. An annual directory of associations of all kinds, including trade and industry.
National Trade and Professional Associations of the United States
Call number: Ref. HD2435.N38 Available in paper in Reference only. Lists professional societies, trade organizations and labor unions with address and contact information, membership, budget and dues, list of publications, and meeting dates.
Formerly known as "The Thomas Register of American Manufacturers" or "Thomas Registry", a multiple volume directory with industrial product information covering 650,000 distributors, manufacturers and service companies within 67,000-plus industrial categories, is now published on ThomasNet.