Moss Supply Company is a vinyl window and patio door manufacturer. We produce windows and doors for both new construction and replacement applications. A full line of high-performance replacement windows fills out the product offerings. From the knockout good-looking Series 3300 single hung to the industry-envied double hung series 3600, Moss truly has a window for every home and light commercial application.

Our Purpose is our reason for being. At JELD-WEN, we do much more than manufacture windows and doors. Our products and services afford us the opportunity to enter peoples’ workplaces, homes and daily lives. With this privilege comes great responsibility to ensure that the products we deliver are reliable and enrich the places and lives that they touch.

ProVia is nestled within the rolling hills of Sugarcreek, Ohio, the heart of the nation's largest Amish population. The company was started in a garage by Bill Mullet more than 40 years ago and has grown into a nationally known manufacturer of high quality entry door systems, energy-efficient windows, super polymer vinyl siding and artfully-crafted, manufactured stone. ProVia has built a reputation in the building products industry for quality, old-world craftsmanship and personal care for customers, which extends to every part of our culture. The company has been through many changes to accommodate its growth, including expansions, acquisitions, and the implementation of state-of-the-art production equipment. Today, ProVia remains privately owned by the Mullet family and continues to invest in its facilities, employees, customers and research & development. The company continues to manufacture outstanding replacement door, window, vinyl siding and manufactured stone products with a de

For 70 years Ply Gem has been an industry pioneer and we continue to lead and innovate through our unique ability to create The Designed Exterior. This complete solution combines materials, colors and textures -- all intended to work together to create dramatic curb appeal and allow you to spend time enjoying your home, instead of fixing it. Our comprehensive range of building products includes nearly everything on the outside of your house from windows, doors and siding to designer accents, stone veneer, fence and rail.

Rocco maintains an extensive fleet to provide consistent reliable service to our customers. The company is committed to the principles of Lean Manufacturing to improve our operational performance and maximize our customer service. Our sales territory extends throughout Virginia, the Baltimore metropolitan and surrounding areas, and adjacent territories in West Virginia, Pennsylvania, and Tennessee.

The key to our success over these many years comes from our belief that this is a people business that relies on attention to details and unparalleled customer service. If you need us, all you have to do is call. We are here to help. We answer our phones - no automated recordings that funnel you to a messaging system that leaves you with that lost feeling.

RJT Industries builds a carefully-manufactured product line of windows and doors for contractors, commercial builders and remodelers. Our company produces high- quality, energy-efficient custom vinyl windows and doors for professionals who serve the Virginia, North Carolina, Maryland and Washington, D.C. area.