Small Business Administration
Programs and services to help you start, grow and succeed
http://www.sba.gov

Small Business Development Center National Information Clearinghouse 
Meeting the information needs of the SBDC community in the United States and its territories
http://www.sbdcnet.org

Small Business Resource Center
Find a wealth of information about many subjects that affect your small business, from planning and financing to marketing and insurance
http://www.sbrcbaltimore.com

Business.gov
Business.gov helps small businesses understand their legal requirements, and locate government services supporting the nation’s small business community.
http://www.Business.gov

Internal Revenue Service
Applying for an employer identification number [EIN]
http://www.irs.gov/businesses/small/article/0,,id=98350,00.html

United States Department of Labour
http://www.dol.gov/