Founded in 1984, Bartelt. The Remodeling Resource is a premier, family-owned remodeling firm located in Delafield, Wis. With in-house designers, production staff, and expert carpenters, Bartelt specializes in residential and commercial design and construction. Whether renovating an existing home or building a new one, we take your ideas for your home, create a workable design, and make it a reality. The company has won local, regional, and national industry awards, including a 2019 National Contractor of the Year (CotY) award presented by the National Association of the Remodeling Industry (NARI). Bartelt is a member of the NARI Milwaukee and Metropolitan Builders Association.