These are some of the core resources that will let you create a list of companies that match criteria you specify (such as where they are located, their indusries, size, etc.). Additional resources can be found on.
ERI's Salary Accessor allows you to search by occupation, size of company, years of experience, and location. Available on computer 10 in the Management Library.
Salary Wizard, from The Wall Street Journal.
Occupational Outlook Handbook, by the Bureau of Labor Statistics, presents career description for Management, Scientific, and Technical Consulting Services which includes salary overviews.