Luis Giusti

Frontera Resources Corp. operates as an oil & gas exploration and production company. It focuses on the exploration and development of oilfields within the Republic of Georgia, Ukraine and Moldova. The company was founded by Steve C. Nicandros and Zaza Mamulaishvili in 1996 and is headquartered in Houston, TX.

Petróleos de Venezuela SA is a gas and oil company. It is engaged in exploring, extracting, transporting, manufacturing, refining, storing, and marketing crude oil and other hydrocarbons. The company was founded in 1975 and is headquartered in Caracas, Venezuela.

International Energy Agency provides data, analysis, and solutions on all fuels and technologies. The company was founded in 1974 and is headquartered in Paris, France.

Petromagdalena Energy Corp. operates as an oil and gas exploration and development company. Its properties include Llanos Basin, Catatumbo Basin, Putumayo Basin and Middle Magdalena Basin. The company was founded on May 3, 1966 and is headquartered in Toronto, Canada.

CITGO Petroleum Corp. engages in refining, transporting, and marketing of transportation fuels, lubricants, and petrochemicals products. It offers retail gasoline, diesel fuel, jet fuel, lubricants, petrochemicals, and other petroleum-based industrial products. The company was founded by Henry L. Doherty in 1910 and is headquartered in Houston, TX.