The U.S. Small Business Administration (SBA) defines a "small business" as one with fewer than 500 employess and less than $7 million in sales. That seems pretty big to me! There is a federal office in Fresno, and information specific to the region.
Small business training, counceling, tools, and other helpful resources are available in:
And, don't forget your permits!
Business Plans Handbook (vol.12)
Business Plans Handbook (vol.13 to most current) through Gale eBooks
Mergent Intellect (database) - Business plan templates are available in the "Learning Center" section
Business Plans Handbook Online (vol. 1-11)
SBDCNet: Business Plan (sample business plans available)