Established in 1898, Daniel Marr & Son Company provides steel and precast concrete erection services for general contractors and fabricators. It also offers fabrication, project management and preconstruction services. The company has worked for various projects, including Millennium Place, J. Joseph Moakley Federal Courthouse, Boston University Student Village, the Wentworth Institute of Technology, Landmark Center and Mass College of Pharmacy. Daniel Marr & Son Company is a part of Marr Companies, which also operates Marr Equipment Corporation, Marr Scaffolding Company, Marr Rigging Company and Isaac Blair & Company. Marr Companies is affiliated with the Associated Subcontractors of Massachusetts, Construction Industries of Massachusetts and Scaffolding Industry Association.