OA Systems Corporation, based in Amarillo, TX, is an environmental science and engineering consulting firm. Established in 1991, OAS provides professional consulting, engineering, administration, and field services. OAS specializes in environmental management, contamination assessment & remediation, natural resource assessment & management, and dredging, navigation, & sediment management/treatment. The firm has served clients including the U.S. Army Corps of Engineers, Department of Interior, Bureau of Indian Affairs, Tribal and Pueblo Governments, the Department of Energy, the Department of Defense, the Department of Agriculture, Fortune 500 companies, smaller industrial operations, municipalities, state agencies, and other public entities. OAS is a Small, Disadvantaged Business, Native American-owned.
