Associations Unlimited contains information on international, national, regional, state and local nonprofit membership organizations in all fields. It includes IRS data on U.S. 501(c) nonprofit organizations.
Index to trade, industry, and professional association Web sites.
Sample Trade Associatons
The trade associations, below, include a combination of industry resources and data available on their websites. To find a trade association for your industry use databases above or google industry keyword with word "association":