In business since 2006, Holzer Resnick Contracting s founding members have over 75 years of combined experience in the roofing and window industries in Pittsburgh Western PA. We are committed to excellence in delivering the best products, the best installation, and the best warranties. Holzer Resnick Contracting is a GAF Master Elite Contractor specializing in residential and commercial roofing, a Beechworth Fiberglass Select Window Installer,