Business.gov
This site " implements a "no wrong door" approach for small businesses and exporters by using technology to quickly connect businesses to the services and information relevant to them, regardless of where the information is located or which agency's website, call center, or office they go to for help".

Steps to Registering a Business (from Business.gov)
Step-by-step guide from the U.S. government on the basics of starting a business, including Determining the Legal Structure of Your Business, Registering Your Business Name, Obtaining Your Federal Tax ID, Registering with Your State Revenue Agency, and Obtaining Licenses and Permits.

North Carolina Department of Commerce
Comprehensive guide to starting a business in North Carolina. Includes a useful "Startup Checklist" with information on choosing a legal structure, registering a business name, and finding licensing information and tax information for your business.

State of North Carolina
"A Better Place to Do Business." Comprehensive resource from the State of North Carolina with a great deal of information including business climate, green business practices etc

CCH Business Owner's Toolkit: Small Business Guide
Thousands of pages of information and tools to help you start, run and grow a successful small business created by well-established publishing company CCH Incorporated. Includes: business plans, marketing, managing and winning government contracts. Includes forms and templates.