Alcal Specialty Contracting, Inc. (Alcal) is a subsidiary of Pacific Coast Building Products, Inc. a family owned business since 1953. Alcal is a large specialty contractor, privately held and diversified that has operated continuously since 1971. It employs over 800 people and has branches in California, Colorado, Idaho, Nevada, Arizona, and Hawaii. Installed products include roofing, waterproofing, insulation, firestop, windows, and garage doors for both commercial and residential construction. The company is signatory to several unions including the Roofers, Glaziers and Carpenters Union.