Neste US, Inc

Occidental Petroleum Corporation, founded in 1920, is one of the leading producers of oil and natural gas in the United States. The company s areas of operation include oil recovery, exploration and oilfield acquisitions. It uses advanced technological equipment for its drilling activities. The company is also a producer of coal and chemical products, including sodium silicates, polyvinyl chloride, caustic soda, and natural gas odorants. It has a marketing division that offers distribution and risk management services to customers. The company provides financial assistance for community services and economic development. Ray R. Irani has been the chief executive officer for Occidental Petroleum for the more than 15 of the 23 years he has been with the company. Irani graduated from the American University Beirut Lebanon with a bachelor s degree and earned a doctorate from the University of Southern California. Occidental Petroleum Corporation has operations in the United States, Latin America, the Middle East and Asia, and is headquartered in Los Angeles.

Plains Marketing is a subsidiary of Plains All American Pipeline, a master limited partnership engaged in interstate and intrastate crude oil transportation. The company also gathers, markets and stores crude oil, as well as markets and stores liquefied petroleum gas and other petroleum products. Plains All American Pipeline has a 50 percent ownership in PAA/Vulcan Gas Storage, which develops and operates a variety of natural gas storage facilities. It is one of the largest independent midstream crude oil companies in North America. The company handles more than 3 million barrels per day of physical crude oil through a network of assets throughout the United States and Canada. Plains Marketing maintains a location in Houston.

Nabors Drilling USA is one of the largest drilling contractors in the United States, with a total fleet of nearly 400 land rigs. Nabors has achieved this position through a continuous program of investment and strategic acquisition, which began more than 10 years ago. The company is a subsidiary of Nabors Industries, which owns and operates nearly 600 land drilling and 970 land workover and well servicing rigs throughout the world. Offshore, Nabors operates more than 40 platforms, 17 jack-ups and three barge rigs in the domestic and international markets. It also markets 30 marine transportation and support vessels, primarily in the Gulf of Mexico. Nabors Drilling USA has a location in Houston.