Carlos Alberto Alfonsi

Compañía de Inversiones Mineras SA is a sand mining company based in Buenos Aires, Argentina. Compañía de Inversiones Mineras SA engages in sand mining. The Argentinean company was founded in 2013.

Astra Evangelista SA operates as an engineering, construction, and services company. It manufactures equipment, such as process modules, air coolers, process columns and towers, separators and filters, heaters and furnaces, exchangers, reactors, vessels, and atmospheric storage tanks. The firm also engages in the operation and maintenance of generating plants, treatment plants, refinement plants, injection plants, tanking batteries, oilfields, and gas pipelines. The company was founded by Alfredo Envangelista in 1948 and is headquartered in Canning Ezeiza, Argentina.