SCORE The Service Corps of Retired Executives, a national non-profit network of retired business executives, offering business planning advice.  North Carolina has 17 offices.)

Small Business Center Network (Small Business Centers at area Community Colleges, assisting entrepreneurs in small business development)

Small Business and Technology Development Center (North Carolina State University, Raleigh campus)

Agricultural Business Planning Templates and Resources (National Sustainable Agriculture Information Service)

Virginia FAIRS (Foundation for Agriculture, Innovation, and Rural Sustainability).  This site out of Virginia has some cool tools on business planning and loan calculation.