L. Flury

Dominion Energy Questar Corp. engages in the manufacturing and trade of natural gas. Its activities include gas development and production; interstate gas transportation and storage; and retail distribution of gas. The company was founded in 1922 and is headquartered in Salt Lake City, UT.

Callon Petroleum Co. engages in the exploration, development, acquisition, and production of oil and natural gas properties in the United States. It focuses on unconventional oil and natural gas reserves in the Permian Basin. The company was founded by Sim C. Callon and John S. Callon in 1950 and is headquartered in Houston, TX.

QEP Resources, Inc. engages in the exploration and production of oil and natural gas properties. It focuses in the Northern Region primarily in North Dakota, Wyoming and Utah, and the Southern Region primarily in Texas and Louisiana geographical regions. The company was founded in 1922 and is headquartered in Denver, CO.

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.

McDermott International, Inc. engages in the provision of technology, engineering, construction, and installation solutions to the energy industry. It operates through the following segments: North, Central, and South America (NCSA); Europe, Africa, Russia and Caspian (EARC); the Middle East and North Africa (MENA); Asia Pacific (APAC); and Technology. The NCSA segment designs, engineers, and constructs upstream offshore oil and gas facilities, downstream oil and gas facilities and pipelines, gas-fired power plants, LNG import and export terminals, atmospheric and refrigerated storage vessels and terminals, water storage and treatment facilities and pipe and module fabrication. The EARC segment focuses in the upstream offshore oil and gas facilities, downstream oil and gas facilities, LNG import and export terminals, and atmospheric and refrigerated storage vessels and terminals. The MENA segment comprises upstream offshore oil and gas facilities and pipelines, downstream oil and gas facilities, hydrocarbon processing facilities, atmospheric and refrigerated storage vessels and terminals, and performs pipe fabrication and manufacturing. The APAC segment involves in the upstream offshore oil and gas facilities and pipelines, refining and petrochemical facilities, hydrocarbon processing facilities, LNG import and export terminals and atmospheric and refrigerated storage vessels and terminals. The Technology segment consists technology licensor of proprietary gas processing, refining, petrochemical and coal gasification technologies as well as a supplier of proprietary catalysts, equipment and related engineering services. The company was founded in 1923 and is headquartered in Houston, TX.