National Association for the Self-Employed
Pioneered support for micro-businesses and the self-employed, while helping to define this important part of the American economy.
http://www.nase.org/
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SCORE: Service Corps of Retired Executives
nonprofit association dedicated to encouraging the formation, growth, and success of small business nationwide through counseling and mentor programs.
http://www.score.org/
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U.S. Small Business Administration
An electronic gateway of procurement information for and about small businesses. Search engine for contracting officers, marketing tool for small firms.