GBR Corporation is the premiere roofing contractor in southern Wisconsin. For over 30 years we have worked with general contractors and building owners to install and maintain commercial and industrial roofing systems. GBR Corporation is an elite Firestone Master Contractor and uses only the highest quality products. Our employees pride themselves on expert craftsmanship, efficient application, punctual service, integrity and a commitment to safety. These client centered values have allowed us to grow to offer our customers a full suite of services including: - Emergency Services - Repair Services - Portfolio Management Programs - Roofing Installations - Roof Replacements GBR Corporation understands that each client and roof is unique. We are fortunate to work with clients from many industries and organizations including: - Commercial - Industrial - Health Care - Restaurants - Schools - Government - Spiritual - Non-Profit