With over 400,000,000 members, LinkedIn is one way to find industry stakeholders. The Premium membership offers access to the personal profiles of LinkedIn members that are blocked in the free membership. There is a free trial available which you will see linked at the top right of the landing page, http://www.linkedin.com.
With a bit of work, you may be able to find more information on the people whose profiles are behind the pay wall without paying.
To search for industry professionals:
Some profiles will be available for viewing and others will be behind a pay wall. You can try a couple of different methods to find more information.
Trade associations, trade journals, and consultants may be able to provide names of people to interview or be willing to talk. You can use two resources via the Libraries, NetAdvantage and IBISWorld. Reference Solutions is available via Daniel Boone Regional Library (Columbia Public). You will need a library card from them to access it.
NetAdvantage provides information on companies, industries, stocks, mutual funds and the economy. Sources include Industry Surveys, Stock Reports, Bond Reports and Corporation Records.
Date Coverage: Current
Maximum Users: Unlimited
Provides reports for U.S. industries as categorized by NAICS. It also includes reports on industries in Australia, Canada, China, Germany, Ireland, Mexico, New Zealand, and the U.K. For the U.S., includes state industry reports and economic profiles.
Research reports contain trends, statistics and analysis on market size, market share of competitors, and industry growth rates. Performance analysis includes emerging industry trends as well as recent production performance and 5 year forecasts. Each comprehensive study also examines details such as; the barriers to entry, operating cost structure (industry averages), technology & systems, and domestic & international markets. Tables and statistics include: Industry revenue, exports, imports, wages, and number of companies in the industry.
Maximum Users: Unlimited
Tutorial: http://proxy.mul.missouri.edu/login?url=https://clients1.ibisworld.com/about/us/videos/