Eulogio Antonio del Pino Diaz

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.

The Society of Exploration Geophysicists operates as an association of exploration geophysicists. The non-profit company is based in Tulsa, OK and has subsidiaries in the United States.

Corporación Venezolana del Petróleo SA is a company based in Caracas, Venezuela. The Venezuelan company wholesales petroleum products. The company is ultimately controlled by the Government of Venezuela.

PDVSA Intevep explores for and extracts natural gas and is ultimately controlled by the Government of Venezuela.

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.

PDV America, Inc. explores and markets petroleum products. It transports gasoline, diesel, jet fuel, petrochemicals, lubricants, asphalt and waxes through its subsidiary CITGO. The company was founded in 1986 and is headquartered in Tulsa, OK.

PDV Holding, Inc. operates as a holding company and provides investments services. The company is headquartered in Houston, TX.