The following Web sites can help you research salary data and negotiate from a position of strength. You should also research company salary grades through employees and human resources.

Use this site to find more than 300 industry-specific and general salary surveys. Test your salary savvy with the "Salary I.Q." test, and find tips and strategies for salary negotiation.

Under "Find Occupations," type in a career and scroll to bottom of the page to the "Wages & Employment" link, then choose a state for state and national wages and employment trends

Devoted to all aspects of salary and compensation, this site offers a "Salary Wizard" that provides a benchmark for salaries by industry and zip code. The site also offers substantive advice on compensation and negotiation, current news affecting the labor market as well as a job and resume database.

Browse salary reports, salary forecasts, and cost of living comparisons

The Office of Personnel Management provides policy leadership and expertise on a variety of Government wide pay programs for Federal employees, including the General Schedule (GS), Law Enforcement Officer Pay Schedules, and the Federal Wage System (FWS).