You can use FinalScout to reveal email address on any Linkedin profile. You can also scrape the search results of regular Linkedin searches.
If you don't have a Linkedin account, you can also search for contacts using the Prospect feature. It has 500 million+ business professionals from 20 million+ businesses. You can filter by location, industry, seniority level and function. Try it: https://finalscout.com/app/prospect/