About Mitten Building Products 
 
For 60 years, Mitten has been an industry leader in manufacturing and distributing premium vinyl siding and accessories. Today, Mitten boasts an extensive distribution portfolio of superior products including siding, shake, stone, architectural accents and many other exterior products.
 
 
About Cornerstone Building Brands
Cornerstone Building Brands is the largest manufacturer of exterior building products in North America. Headquartered in Cary, North Carolina, the organization serves residential and commercial customers across new construction and repair & remodel market. As the #1 manufacturer of windows, vinyl siding, insulated metal panels, metal roofing and wall systems and metal accessories, Cornerstone Building Brands combines a comprehensive portfolio of products with an expansive national footprint that includes more than 21,000 employees at manufacturing, distribution and office locations throughout North America.