US Department of Labor – Employment Standards Administration Wage and Hour Division
http://www.dol.gov/ESA/REGS/COMPLIANCE/WHD/FAIRPAY/MAIN.HTM

Social Security Online - Employer Reporting Instructions and Information
http://www.ssa.gov/employer/ssnv.htm

Society for Human Resource Management
http://www.shrm.org/

The AJC Wage Finder - Compare median Atlanta salaries for more than 800 job classifications.  Click here to begin your comparison.
http://www.ajc.com/business/content/business/wages/search.html