Roberto Urquizo Martins

Empresa Nacional del Petróleo SA explores and extracts petroleum. Its activities include refining, commercializing and distribution of hydrocarbons under the brand name Primax. The company has two subsidiaries, Enap Sipetrol SA and Enap Refinerías SA. The company was founded on June 19, 1950 and is headquartered in Las Condes, Chile.

ENAP Refinerías SA refines and distributes petroleum products. It engages in activities related to the production of fuel and other oil by-products, such as solvents, bases for asphalt manufacture, ethylene and other petro-chemical products. The company is headquartered in Las Condes, Chile.

Corporación del Patrimonio Cultural de Chile is a private company based in Santiago, Chile that was founded in 1994. The Chilean company's focus is on preserving and promoting Chile's cultural heritage. The company's description states that it contains content related to Chile's cultural heritage, and emphasizes the importance of preserving and promoting this heritage.

Sociedad Boliviana de Cemento SA manufactures cement, concrete and aggregate products. It markets its products under such brands as Cemento Viacha, Emisa, Cemento El Puente, Cemento Warnes, and Aridos San Roque. It also produces, distributes and sells building and construction materials. The company was founded on September 24, 1925 and is headquartered in La Paz, Bolivia.