Eric Kowalewski

Cornerstone Building Brands, Inc. engages in the design, engineer and manufacture of external building products. It operates through the following segments: Aperture, Surface and Shelter Solutions. The Aperture solutions offers windows and doors at multiple price tiers for residential new construction and residential repair and remodel end markets primarily in the United States and Canada. The Surface solutions includes Siding and accessories, Cellular PVC trim, Vinyl fencing and railing, Stone veneer & Gutter protection. The Shelter solutions designs, engineers, manufactures and distributes an extensive line of building products for the low-rise commercial construction market under multiple brand names and through a nationwide network of manufacturing plants and distribution centers. The company was founded by Johnie Schulte in 1984 and is headquartered in Cary, NC.

Knauf Insulation GmbH engages in the manufacture and sale of insulation products for for residential, commercial, industrial, marine, original equipment manufacturer, and metal building applications. Its products include glass mineral wool, rock mineral wool, expanded polystyrene, and extruded polystyrene. The company was founded on January 11, 1978 and is headquartered in Shelbyville, IN.

CGI Windows & Doors, Inc. manufactures aluminum windows and doors. It offers security and impact products such as bomb blast resistant products for new construction, retrofit, and historical renovation, including casement, project-out/awning, single hung, fixed, and horizontal rolling windows, as well as swing and sliding glass doors and pre-glazed blast resistant storefront window walls and commercial swing doors. The company was founded by Flavio Quesada in 1992 and is headquartered in Miami, FL.