The Roof Center is a leading distributor of residential & commercial roofing, siding, windows, doors, accessories and tools in the Washington DC, Baltimore and Eastern Shore areas. The Roof Center's 13 locations offer roof-top loading, delivery and pick-up. The Roof Center is the largest supplier of domestic and foreign slate and tile; and specializes in matching color and style.

The Concrete Masonry Promotions Council (CMPC) is an educational organization dedicated to increasing the knowledge and awareness of design professionals and the general public to the benefits of concrete masonry systems. CMPC is focused on teaching construction industry best practices related to masonry design and installation.