Established in 1956, Dewberry is one of the leading engineering and design firms in the United States. Headquartered in Fairfax, Va., it maintains more than 30 offices throughout the United States. The firm provides architecture, design, program and emergency management, mapping and infrastructure services. Dewberry offers mechanical, electrical and structural engineering, water supply and wastewater treatment services. Its environmental services include site assessment, brownfield redevelopment, demolition and asbestos remediation. The firm also provides various land development services, including feasibility analysis, planning, landscape architecture, surveying, cost estimation and construction administration. Dewberry serves a range of clients, such as government agencies, military communities, school districts, corporations, real estate developers, municipalities and industries. Additionally, it offers database development, consulting, telecommunications, transportation, stormwater management, restoration and geographic information services. The firm is a member of the U.S. Green Building Council. It has a staff of more than 1,900 employees and maintains a location in Danville, Va.