Barton & Affiliates, located in Andover, NH, offers full service, highest quality and fully insured residential and commercia ... l custom building services. We are committed to delivering quality projects, from custom homes and renovations to office spaces and commercial buildings, on time and within your budget. arton & Affiliates provides construction services to residential and commercial clients. Using the best materials and practices, we take pride in the variety of services our skilled professionals can provide to create the highest quality and value in your individual project. read more