Versar, Inc. operates as a project management company worldwide. The company operates through three segments: Engineering and Construction Management (ECM); Environmental Services Group (ESG); and Professional Services Group (PSG). The ECM segment provides engineering design, construction, construction management, and security systems installation and support services. This segment’s primary markets include a range of infrastructure and engineering designs for facilities, transportation, and resource management, as well as local, regional, and international development. The ESG segment offers environmental consulting services, including compliance, cultural resource, natural resource, remediation, and unexploded ordnance/military munitions response programs. The PSG segment provides onsite environmental, engineering, construction management, and logistics services. The company serves federal, state, and local governments, as well as commercial clients. Versar, Inc. was founded in 1969 and is headquartered in Springfield, Virginia. As of November 13, 2017, Versar, Inc. was taken private.