Britanteros - Society of Manufacturing and Marketing of Aggregates, S. A., has its headquarters in Chaves, and its production center in Sabroso de Aguiar, Vila Pouca de Aguiar.It was established on July 28, 1987 with the NIPC 501.884.130, having started business on 7 October of the same year. This is a limited company established by eight shareholders.The company produces various products, granite derived (CAE: 08 992), which are divided into five groups (categories): Powder Stone, Sand, gravel, Crushed Stone and Tout-Venant, destined to all types of buildings.