Google Search - for "business plans"
Yahoo - Small Business Resources
Yahoo Search - for "business plans"

American Express Small Business Plans
U.S. Small Business Administration

RMA - formerly Robert Morris Associates, now The Risk Management Association

North American Industrial Classification System

Los Angeles Economic Development Corp.

State of California
CA Business Portal
CA Department of Corporations
CA Secretary of State - Business Portal
CA Business, Transportation & Housing Agency

U.S. Department of Commerce