Mechanical Expert Witness Business Area Other Tags Expert Witness, Litigation Expert Witness, Plumber Expert Witness, Professional Expert Witness, Witness Consulting Services Contact Person John Harkins Biz Phone 484-461-3000 Website http://mechanicalexpertwitness.com Street Address 884 Briarwood Rd PA Newtown Square United States of America Zip / Pin 19073 Contact listing ownerSend MessagePlease log in to be able to send messages to the listing owner.