 was founded as a coppersmith's workshop in the old city of Vienna in 1738 and is today operating in the fields of gas heating and professional kitchens as well as real estate development.The headquarters is in Vienna.Founded on August 20, 1738 by the coppersmith Josef Krottenthaller and taken over by Leopold Loeblich on July 20, 1823, the company-ownership and management have since then remained in the hands of the Loeblich family.