Westport Builder Group - Design-Build - Westport Builder Group is an integrated design-build organization that offers clients a single source for a complete range of architectural, engineering, interior design and construction services. Through our custom design division, we also provide fine cabinetry, millwork and handcrafted specialties. We are a network of close to thirty people including licensed architects, designers, construction supervisors, cabinetmakers, and field personnel, and work collaboratively with an extensive group of professional consultants and sub-contractors.