Encapsulation Technologies

AECOM is an international professional technical services company providing consulting, design, program and construction management and operations and maintenance support to the transportation, environmental and building industries. The company serves both government and private clients. AECOM also provides technical support, international development assistance, and mining and power services. AECOM is headquartered in Los Angeles and operates additional offices throughout the United States., Canada, Asia, the Middle East, Africa, Australia and Europe.

Founded in 1994, Lucas Engineering and Management Services is an engineering and construction corporation that serves environmental, nuclear and homeland security businesses. It provides project and construction management and technical services. The company also offers prime contract and change management, field engineering, acquisition planning, strategy development and disputes mediation services. In addition, Lucas Engineering and Management Services provides engineering remote handling systems and equipment for nuclear materials. It also offers spent fuel and canister handling systems. The company additionally specializes in the process analysis and engineering of nuclear waste treatment technologies, including pretreatment and separation and waste vitrification and grouting. Lucas Engineering and Management Services' clients include Fluor, CH2M Hill, AREVA, Bechtel and Tetra Tech. Lucas Engineering and Management Services is headquartered in Richland, Wash.

Tetra Tech EC Inc. (TtEC) is one of the leading providers of consulting, engineering, remediation and construction services. The company offers a range of services, such as construction, design and engineering, economic, social, and cultural resources and environmental sciences. Based in Richland, Wash., it is a subsidiary of Tetra Tech Inc. The company's projects span industrial and sediments, ports, harbors and waterways, nuclear, energy and Department of Defense. In addition, Tetra Tech EC Inc. serves federal, state, and local government agencies.