Naperville Roofing Company, Opal Enterprises, Now a GAF Certified Green Roofer

NAPERVILLE, Ill., March 16, 2012 /PRNewswire/ -- Opal Enterprises, a Naperville roofing company, has recently received its certification as a 'Certified Green Roofer,' from GAF. GAF is the largest roofing ...

Source: http://finance.yahoo.com/news/naperville-roofing-company-opal-enterprises-185300238.html

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