DuBois & King, Inc.
Civil EngineeringVermont, United States51-200 Employees
DuBois & King, Inc. is a mid-sized civil engineering and planning firm founded in 1962 and based in Randolph, Vermont. It offers planning, permitting, and technical design services to a diverse set of clients, including municipalities, federal and state agencies, architecture firms, health care facilities, and private developers across New England. The firm brings together licensed professionals across civil, environmental, mechanical, electrical, and structural disciplines, organized to work both independently and as part of multidisciplinary teams to fit the needs of each project. Its portfolio covers transportation planning and infrastructure such as roads, bridges, and pedestrian facilities, as well as survey, site development, water resources, wetlands, drinking water, wastewater, waste management, environmental planning, and building systems and construction administration. In May 2026, the firm expanded through the acquisition of Dirtsteel and DeWolfe Engineering Associates, signaling growth in its multidisciplinary capabilities and regional footprint.