Posted on January 15, 2019 January 15, 2019 by WebsiteYellowPages.com Underwriters Laboratories Inc 1 2 3 4 50.000 CategoriesLaboratories-Testing LocationsPennsylvania Bookmark Contact Information Business Name Underwriters Laboratories Inc Address 359 S Mountain Blvd # A3, Pennsylvania 18707-1984 Phone Number 9782505093 Fax Number 5708683552 Website http://www.ul.com CategoriesLaboratories-Testing Post navigationPrevious post: Planned ParenthoodNext post: Psychological Services Ctr