Destefano Associates, 50 Thorpe St, Fairfield, CT 06824, US

Established in 1956, Dewberry is an engineering and surveying firm. Headquartered in Fairfax, Va., it maintains more than 30 offices throughout the United States. The firm offers a range of mechanical, electrical and structural engineering services that include heating, cooling, ventilating and plumbing. Dewberry provides architecture and design/build solutions. Its geographic information services include programming, application development, mapping, data warehousing and integration and remote sensing. The firm also provides various environmental services, such as site assessment, audit, asbestos removal, hazardous waste management and wetland preservation. Dewberry offers land development, security, program and emergency management, sustainable design, telecommunications and transportation services. It serves government agencies, military organizations, municipalities, real estate developers, corporations, school districts and industries. The firm maintains a location in New Haven, Conn.