Until sometime in the mid 1970s the majority of industrial jobsites used asbestos as part of the industrial process. This included construction sites, refineries, powerplants, chemical factories and pharmaceutical companies. For a listing of some of the sites click on the following link.

http://www.mesotheliomalegalblog.com/mesothelioma-litigation/North-East-Asbestos-Job-Sites–1-31368.html