Find the IBISWorld Industry report for your industry, look at the "About the industry" tab for listing of professional associations which often have job boards. Look at Major Companies and Competitive Landscape tabs to find organizations to work for.
Try the Custom Jobs Search
Or look for businesses/organizations you can work for.
Follow these steps
1. Click on US Businesses
2. Click on Custom Search
3. Search by Business Type & Geographical location
4. Search keyword/SIC/NAICS
i.e. concert- choose concert bureaus, concert promotions & production
5. Select a geographical location
6. Update Count/View Results
7. Explore the companies that might hire you.
The ReferenceUSA database contains, in module format, detailed information on more than 12 million U.S. businesses; 102 million U.S. residents; 683,000 U.S. health care providers; 1 million Canadian businesses; and 11 million Canadian residents.
From the Bureau of Labor Statistics: "The profiles featured here cover hundreds of occupations and describe What They Do, Work Environment, How to Become One, Pay, and more. Each profile also includes BLS employment projections for the 2010–20 decade."