You can obtain data for a specific NAICS industry by going to the 2007 Economic Census website. This website provides data at the sector level.
You may also get data by state, or selected metro area by using the pull-down menus in the upper right hand corner of the page. You may also obtain data from the American Fact Finder website.
You can obtain a quick report by either industry or geography by clicking on the links listed. Beginning with the 1998 data year, the annual County Business Patterns reports provide employment, payroll, number of establishments (but not sales/receipts). Click here to view the CBP data.