Harristone Competitors

Based in Cary, NC, Ply Gem is North America's leading manufacturer of exterior building materials, including windows, siding, stone, and 40 other categories. At Ply Gem, we provide the nation's residential builders, remodelers, and architects with access to a comprehensive range of building products. From new construction to repair, remodel and replacement, our full line of windows, doors, siding, stone veneer, and fencing products provide quality and value for all types of projects. At Ply Gem, we're all about you – finding out what you need; responding to your questions; helping get the job done right. After all, we don't succeed until you succeed. DISCLAIMER Ply Gem's social media channels share information about our company, our products and our people. We welcome commentary expressing all points of view – positive and negative – but reserve the right to remove posts that are off-topic, offensive, promotional or illegal or contain inappropriate language, hate speech, proprietary information, personal data or personal attacks.

Boral Limited is an international building and construction materials group with three strong divisions - Boral Australia, USG Boral in Asia, Australasia and the Middle East and Boral North America.

ProVia is a leading manufacturer of professional-class entry doors, storm doors, patio doors, windows, vinyl siding, manufactured stone and metal roofing. The professional-class designation reflects the company’s high level of quality, service and customization – in fact, remodelers ranked ProVia’s windows #1 in the market for quality. Professionals also appreciate ProVia’s unique ability to customize many products as needed. Equally important is the personalized treatment they receive after an order is placed or the product is installed. While many of ProVia’s manufacturing processes are state-of-the-art, human craftsmanship is also involved, to ensure product quality and high-end aesthetics. ProVia’s mission is “to serve, by caring for details in ways others won’t.” Each employee continually strives to put these words into action by providing unmatched quality and service, every day. ProVia.com