BURNCO ROCK PRODUCTS LTD IS A FOURTH GENERATION FAMILY BUSINESS ESTABLISHED IN CALGARY IN 1912 BY JAMES F. BURNS. Today, BURNCO is a 110 years old, fourth generation aggregate construction materials company with nearly 80 locations in Alberta, British Columbia, Saskatchewan, Colorado and Texas. A family business head quartered in Calgary, BURNCO produces high quality aggregates, paving asphalt and ready-mix concrete. SAFETY | TEAMWORK | CLARITY