Mastellone Hermanos

Mastellone Hermanos S.A. (mostly known for its trade name: La Serenísima) is an Argentine dairy company headquartered in the city of General Rodríguez in Buenos Aires Province. The company, founded by Antonino Mastellone in 1929, is partially owned (47,98%) by Grupo Arcor, Starting as a small firm to produce cheese, the company expanded until becoming the leader in the Argentine dairy market and one of the largest companies in the country. The name La Serenísima was taken from an Italian aviation squadron that fought in the World War I. Pascual Mastellone, son of founder Antonio, had a long tenure of chairman of the company taking over La Serenísima for more than 50 years from 1952 until 2013, when he retired due to health problems. Mastellone died in 2014. By 2018, the company had sales for US$900 million, processing more than 3,2 million milk per day.