Another option, especially if you don't find your industry in the above resources, try a GOOGLE or other search engine search with your industry name (Exampe, MUSIC) and the word INDUSTRY or TRENDS or TOP COMPANIES. Evaluate the results by considering who the source of the informaiton is. (For example, FORBES Magazine vs. an unrecognized source with a lot of advertising on the site.)
And if you can't get to the content, contact the Library to see if we have a subscription to the publication in question. Use Ask a Librarian.