Adler is a Western Canadian passive fire protection and insulation contractor operating from Calgary with further branches at Saskatoon and Vancouver. Its three named service lines are fireproofing, firestopping and insulation. The firm states that it is recognised by Underwriters’ Laboratories of Canada under the Qualified Firestop Contractor’s Program and holds a Certificate of Recognition from AASP in both Alberta and British Columbia. It is also a member of the Firestop Contractors International Association.