Kaycan Ltd. - manufacturer of vinyl and aluminum siding, soffit, fascia, and accessories.

Mastic - offers vinyl siding, soffits, and accessories.

Mitten Vinyl Inc. - manufacturer of vinyl siding and accessories.

Napco Building Specialties - manufactures vinyl and aluminum siding, windows, trimcoil, and rainware products.

Norandex Inc. - manufacturer and distributor of siding, windows, doors and other related exterior building products for the new construction and remodeling industries.

Reynolds Building Products - offering a total line of siding, windows, shutters, raincarrier systems, accents, and accessories.