If you know the NAICS code for an industry, you can modify your results by changing from Keyword to NAICs in the dropdown menu beside the search boxes.
Trade associations often collect industry statistics, maintain directories, publish white papers, research reports, and newsletters, organize conferences, and trade shows. Business databases include articles and statistics from the publications of trade associations. Internet searches can help you find the web sites of trade associations.
Access to statistics collected by trade associations varies from freely available to members-only. Be sure to check press releases, which may include some statistics.