Roberto Nesta Brero

FIMA SA engages in the design, construction and manufacture of general machinery, project turnkey, process design, and construction of steel structures. It specializes in engineering services and manufactures, installs and operates equipment and metallic components for the following productive sectors: mining, energy, gas and oil, hydrocarbons, fishing, agri-industry, metallurgy, and construction. The firm's services include processing equipment, material handling, fish discharge, slurry pumps, and material crushing, sorting, manipulation, and handling systems. The company was founded in 1969 and is headquartered in Callao, Peru.

Part of Volkswagen AG, Scania del Perú SA is a company based in Lima, Peru. The Peruvian company's description is "market".

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.

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.