COLUMBUS, Ohio--(BUSINESS WIRE)--Installed Building Products, Inc. (the “Company” or “IBP”) (NYSE: IBP), an industry-leading installer of insulation and complementary building products, announced today the acquisition of Eastern Contractor Services (“Eastern”) based in New Jersey and operating as Parker Insulation and Building Products (“Parker”) in Nederland, Texas. Eastern is a well-established 41 year old company with locations in Flanders and Tuckerton, New Jersey, with a primary focus on f