BUSINESS OWNERS WANT A ROOFER THAT THEY CAN TRUST WHEN REPAIRING OR INSTALLING A NEW ROOF. IN JULY 2015, THE OKLAHOMA CONSTRUCTION INDUSTRY BOARD SET IN MOTION NEW BYLAWS THAT REQUIRES COMMERCIAL ROOFERS IN THE STATE TO HAVE AN EXTRA COMMERCIAL ENDORSEMENT AND TESTING TO PERFORM ANY COMMERCIAL ROOFING. ADVANCED COMMERCIAL SYSTEMS HAS MET ALL THE REQUIREMENTS TO COMPLETE THIS ENDORSEMENT AND IS IN GOOD STANDING IN THE STATE FOR COMMERCIAL ROOFING. OK LICENSE #80003257