Windsor United Industries is a manufacturer of custom store fixtures and architectural millwork. With sales offices in Windsor, N.Y., and Lawrenceville, Ga., it serves the woodworking industry. The company has more than 130,000 square feet of manufacturing space. Windsor United Industries provides services to clients in the drug store, convenience store and apparel store industries. It offers fixture design and installation services. The company is certified by the Architectural Woodwork Institute.