Founded in 1917, Trumbull-Nelson Construction Company, Inc., has been serving northern New England clients for the past 90 years. Our company has grown from its beginnings as a builder of fine homes in the Hanover area to become the Upper Valley's largest General Contractor, specializing in all types of institutional, commercial, industrial, and residential construction. Through the time-honored approach of delivering personal and professional service with integrity, we have become one of northern New England's most respected construction firms. At the foundation of our service are four critical Commitments to our clients and the community: