Dalton Builders, founded in 1994, serves the commercial wood frame construction market. It offers rough framing, roofing, siding, exterior trim and interior partition services and employs more than 100 carpenters. The company has completed a variety of large commercial projects in Massachusetts, New Hampshire, Rhode Island and Connecticut. Located in Milford, Mass., Dalton Builders is a subsidiary of Plumb House, which has been building and rehabilitating multifamily houses since 1973. Plumb House is one of the largest framing contractors in the United States. It offers comprehensive development, design and construction services for subsidized apartment, assisted living facility, military housing and extended stay hotel projects.