As one of the largest manufacturers of premium vinyl and aluminum windows and doors in North America, we have facilities strategically located throughout the continent. With headquarters and our largest campus located in Welcome, NC, our national reach also includes our window producing location Dallas, TX. This national footprint allows us to provide the right style for the right market at the right value!

There are seemingly limitless reasons why VELUX skylights can help you create a living space that will not only impress you and your family, but that will also lower your energy costs. Watch our newest commercial to witness how light and fresh air can change your indoor environment.

At Ply Gem, we make it possible for the nation's residential builders, remodelers and architects to design, build and update beautiful, low-maintenance and energy-efficient homes.

Family owned Larson Manufacturing has grown from a one-man shop into the largest manufacturer of storm doors and storm windows in the United States. Our factories and our Customer Care call center are and have always been, based in America, with manufacturing plants in Brookings, SD; Lake Mills, IA; and Mocksville, NC. At LARSON, we put people first. We’re devoted to our employees and their families, our customers, and our communities. ​Larson Manufacturing was founded with a strong commitment to quality, integrity, and service. These principles are the foundation of our company and living these core values is as essential to our success today as it was in the beginning.

Since the day we opened our doors in 1912 as a family-owned and -operated cedar and lumber company, we’ve looked for ways to help people live better. We continue to evolve by raising the bar, building quality, beauty and simplicity into people’s everyday lives.

Duo-Corp. manufactures hopper and slider style vinyl basement windows and egress windows for new construction and replacement applications for both concrete block and poured concrete foundations. Our vinyl utility and barn sash windows are perfect compliments to our family of quality basement and egress products and include features that are ideal for garage, shed, barn or utility building packages. Our Place-N-Pour (PNP) automactic foundation vent completes our poured foundation product offerings.

Sun-Tek Skylights is one of the leading skylight manufacturers in the United States. For over 30 years we have provided an affordable, easy way to let the sunshine into your home. Sun-Tek has been providing the home building industry with quality natural lighting products and accessories for over thirty years. A privately owned American corporation, Sun-Tek offers its customers – service before, during and after the sale. We provide all needed support to achieve the customers' stated goals for total satisfaction.