David King

Willbros Group, Inc. engages in the provision of engineering and construction services to the oil, gas, refinery, petrochemical, and power industries. The company was founded by Miller Williams and David Williams in 1908 and is headquartered in Houston, TX.

Chicago Bridge & Iron Co. NV provides services, including conceptual design, technology, engineering, procurement, fabrication, modularization, construction, commissioning, maintenance, program management and environmental services to customers in the energy infrastructure market throughout the world, and is a provider of diversified government services. It operates through the following segments: Engineering and Construction; Fabrication Services; Technology; and Capital Services. The Engineering and Construction segment provides engineering, procurement, and construction for energy infrastructure facilities, as well as integrated maintenance service. The Fabrication Services segment provides fabrication of piping systems, process and nuclear modules, and fabrication and erection of storage tanks and pressure vessels. The Technology segment provides licensed process technologies, catalysts, specialized equipment, and engineered products. The Capital Services segment provides maintenance services, environmental engineering and remediation, infrastructure EPC services, program management, and disaster response and recovery for private-sector customers and governments. The company was founded in 1889 and is headquartered in The Hague, Netherlands.

ARB, Inc. provides construction services to power and wastewater treatment plants. It also provides engineering, construction, fabrication, maintenance and replacement services to the energy, petrochemical, refining and mining companies, as well as to developers, utilities, and public agencies worldwide. The company was founded in 1946 and is headquartered in Lake Forest, CA.

Cardinal Contractors, Inc. operates as a general contractor. The company is headquartered in Lakewood Ranch, FL.