Carlos Ernesto Gálvez Pinillos

Part of SalfaCorp SA, HV Contratistas SA provides construction services. The company is based in Lima, Peru. HV Contratistas was acquired by Salfa Peru SA on January 29, 2008 for $2.80 million.

Buenaventura Ingenieros SA provides consulting, engineering, project management, and construction services for the mining, infrastructure, and industrial sectors. It develops projects in various areas such as geology, mining, metallurgy, engineering, environment, and social and infrastructure and civil works. The company was founded by Alberto Benavides de la Quintana in 1977 and is headquartered in Lima, Peru.

Part of Compañía de Minas Buenaventura SAA, Inversiones Colquijirca SA is a holding Peruvian company with interest in mining services. The company is based in Lima, Peru.

Sociedad Nacional de Minería, Petróleo y Energía (SNMPE) is a non-profit business organization based in Lima, Peru. The organization represents legal entities related to mining, hydrocarbon, and electric activities. SNMPE publishes a calendar of festivities and is registered in the Association Book of the Registry of Legal Entities of Lima.

Part of Compañía de Minas Buenaventura SAA, Empresa de Generación Huanza SA is a Peruvian company that engages in generation, hydroelectric generation, and power station services. The company is based in Lima, Peru.