Since 1840. The Cortés family is one of the oldest and most important mezcal families in Oaxaca. The Agave de Cortés brand honors the family’s heritage and tradition. Now in their 6th generation, Casa Cortés has produced artisanal mezcal since 1840. Casa Cortés is proud to be one of the few mezcal companies that is 100% Oaxacan-owned.