SHINGLES-
 http://www.certainteed.com/certainteed/undefined/roofing

CertainTeed is a leading U.S. manufacturer of low slope and steep slope roofing products for commercial, industrial, institutional, and residential roofing and waterproofing applications.  CertainTeed has served the roofing industry for 100 years, establishing a solid reputation for quality, reliability, and technical innovation.

http://www.tamko.com/HomeownerHomeLandingPage/tabid/117/Default.aspx?audience=homeowner
The Heritage® Series is TAMKO’s premier line of laminated asphalt shingles. Striking color palettes and superior performance under the elements have established the brand as the preferred choice among both contractors and homeowners. The many available styles and cuts of Heritage products assure the right look for your roof.

http://www.gaf.com/General/GAFIntro_MAIN.asp
GAF Materials Corporation has grown to become North America’s largest manufacturer of residential roofing (sold under the GAF-Elk brand) and commercial roofing (sold under the GAF brand). 

• Awarded #1 visual brand by Life Magazine
• Fireshield® brand roof restoration system named "Best Product" by the editors of Buildings magazine 
• Rated #1 in shingle quality by home builders 
• Winner of the Builder’s Choice award 
• Cobra® brand ridge vents rated #1 in quality by home builders
• Featured regularly in leading home and garden publications and on home improvement networks such as HGTV 
• Premium designer roofing shingles have twice received the Architects Choice For Excellence Award 
• Freedom™ TPO self-adhering roofing systems chosen Product Of The Year by Commercial Building Products magazine 
• Named most-used brand of shingles and roof vents by remodeling contractors 
• Named #1 in innovation for shingles and ridge ventilation by home builders 
• Named most-recommended brand by upscale remodelers