Grupo GUSI is a Mexican company dedicated to the production , processing and commercialization of meat products . It began as a family business in 1968 , in Tamuin , San Luis Potosi ; and under the leadership of its founder Miguel Gutierrez Mendoza , a visionary with initiative and committed to his country , who since then drove the meat company on a path of corporate growth , integrating the whole value chain , from the purchase of cattle to meat packaging . Nowadays , GUSI has become one of the biggest players and exporters of beef .