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China Advanced Construction Materials Group, Inc., through its subsidiaries, produces and sells construction materials for large scale infrastructure, commercial, and residential developments primarily in the People's Republic of China. Its products include ready-mixed concrete blends, controlled low-strength materials, high-strength concrete products with customized fibers, and soil cement and foundation concretes; and compound admixture, lightweight aggregate, thermostat, and C100 high performance concrete products. The company sells its products to construction companies. It serves subcontractors, general contractors, property owners and developers, governmental agencies, and home builders. The company was founded in 2002 and is based in Beijing, China.

ENGlobal Corporation provides engineering and professional project execution services primarily to the energy sector in the United States and internationally. It operates in two segments, Commercial and Government Services. The Commercial segment provides multi-disciplined engineering services and fabrication relating to the development, management, and execution of projects requiring professional engineering and related project management services. It offers conceptual studies, project definition, cost estimating, engineering design, environmental compliance, material procurement, project management, construction management, and fabrication services. The Government Services segment provides design, integration and implementation of process distributed control and analyzer systems, advanced automated data gathering systems, information technology, and the maintenance of these systems; and electrical and instrument installation, technical services, ongoing maintenance, calibration, and repair services. It also provides services related to the engineering, design, installation, and maintenance of automated fuel handling and tank gauging systems for the United States military. The company serves Fortune 500 companies in the energy industry and the United States government. The company was formerly known as Industrial Data Systems Corporation and changed its name to ENGlobal Corporation in June 2002. ENGlobal Corporation was founded in 1985 and is headquartered in Houston, Texas.

Ossen Innovation Co., Ltd. manufactures coated steel materials. It engages in the design, engineering, manufacture and sale of customized pre-stressed steel materials used in the construction of bridges, highways, and other infrastructure projects in China. The company was founded in 2004 and is headquartered in Shanghai, China.

ReTo Eco-Solutions, Inc., together with its subsidiaries, manufactures and distributes construction materials primarily in China. Its products include aggregates, bricks, pavers, and tiles. The company's construction materials are used for water absorption, flood control, and water retention; for gardens, roads, bridges, city squares, retaining walls, and slope construction; for hydraulic ecological projects, such as slope protection and river transformation; and for insulation, decoration, and building walls. It also offers construction materials manufacturing equipment, such as automated production equipment with hydraulic integration in China, South Asia, North America, the Middle East, North Africa, and Southeast Asia. In addition, the company undertakes municipal construction projects, including sponge city projects. Further, it offers roadside assistance services, including towing, jump start, tire change, automobile repair services, and other services; and provision of designs, develops, and sells customized software solutions, such as logistics management system, retail management system, fleet management system, and vehicle rental management system. Additionally, the company provides parts, engineering support, consulting, technical advice and service, and other project-related solutions for environmental protection projects. ReTo Eco-Solutions, Inc. was founded in 1999 and is headquartered in Beijing, the People's Republic of China.

Williams Industrial Services Group Inc. provides construction, maintenance, and support services to customers in the energy, power, and industrial end markets primarily in the United States. It offers maintenance, modification, repair, and other capital project services to extend life cycles of nuclear, paper, chemical, fossil fuel, industrial gas, hydro power, natural gas, and other facilities. The company also provides cleaning, surface preparation, coatings application, quality control, and inspection testing services for nuclear and fossil fuel power plants, industrial facilities, and petrochemical plants; industrial insulation services, primarily in power generation installations; and abatement services for the removal of asbestos and heavy metal-based coatings, such as lead paint. In addition, it offers services to convert analog control systems to digital control systems of operating plants; fossil power plants decommissioning services; and nuclear power plant construction services. Further, the company installs, maintains, and modifies water and wastewater systems, including piping, pumping, storage tanks, and other related facilities; and replaces, repairs, and upgrades industrial facility roofing systems, principally at pulp and paper manufacturing facilities and nuclear power plant locations. It markets its services through sales and marketing personnel, as well as its on-site operations personnel. The company was formerly known as Global Power Equipment Group Inc. and changed its name to Williams Industrial Services Group Inc. in June 2018. Williams Industrial Services Group Inc. was founded in 1958 and is headquartered in Atlanta, Georgia.