National Association for the Self Employed (NASE)
Provides a broad range of benefits and support for self-employed and micro-businesses (up to ten employees).

Service Corps of Retired Executives (SCORE)
Nonprofit association funded by the SBA and dedicated to providing entrepreneurs with free, confidential face-to-face and e-mail business counseling.

U.S. Small Business Administration
Its mission is to maintain and strengthen the nation's economy by aiding, counseling, assisting, and protecting the interests of small businesses and by helping families and businesses recover from national disasters.