Established in 1898, Daniel Marr & Son Co. has played a major role in developing Boston’s skyline by providing the highest quality steel and precast concrete erection services to general contractors and fabricators. From single flight staircases to high-rise structures, Daniel Marr & Son's approach to work on a project hasn't changed in over100 years. The professional standards upheld by Daniel Marr & Son have been proven successful time after time: a cooperative team approach, quality performance, effective and timely resolution to project challenges and the maintenance of a safe working environment.