Today, H & A Developers  is one of the leading home building businesses in Middlesex County, responsible for many of the beautifully built homes in Edison, Colonia, Iselin, Woodbridge Township. With their professional office staff – including dedicated project managers and in-house designers – H & A Developers  will coordinate with the homeowner and architect to build any size home, addition, room renovation, or add-a-level to an existing home.