Larry D. McVay

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.

Linde, Inc. engages in design, engineering, manufacturing, and building of equipment that produces and distributes industrial gases. The company was founded in 1907 and is headquartered in Danbury, CT.

RN Holding OJSC engages in the exploration and production of oil, gas, and petroleum products. Its activities include developing and production of crude oil and gas reserves; processing of crude oil into refined products; and purchasing, sale, and transportation of crude oil and refined petroleum products. The company is headquartered in Uvat, Russian Federation.

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.

TNK-BP Ltd. provides exploration services for the oil and gas industry. The company's services include exploration and production, refining, marketing, sales and trading, oilfield, and technology services. TNK-BP was founded in 2003 and is headquartered in Moscow, Russia

Linde plc engages in the production and distribution of industrial gases. It operates through the following segments: Americas; Europe, Middle East, and Africa (EMEA); Asia and South Pacific (APAC); Engineering; and Other. The America segment operates production facilities in the U.S., Canada, Mexico, and Brazil. The EMEA segment comprises of production facilities in Germany, France, Sweden, the Republic of South Africa, and the United Kingdom. The APAC segment consists production facilities located primarily in China, Australia, India, South Korea, and Thailand The Engineering segment designs and manufactures equipment for air separation and other industrial gas applications. The company was founded in 1879 and is headquartered in Guildford, the United Kingdom.