TRIMCO began its door hardware business in 1949 as TRIANGLE BRASS.Now a full-spectrum manufacture TRIMCO specializes in top-quality hardware for public buildings,offices,schools,hospitals and retail store.An industry leader, TRIMCO offers the broadest array of heavy duty and functional trim products in the industry.Our philosophy is based on three principles:
  1. Produce supreme quality functional hardware.
  2. Produce creative and attractive products.
  3. Produce our quality products in the United States.