PetersenDean is the largest privately held roofing and solar contractor in the United States. Headquartered in Newark, California, and operating in 15 regional offices across the United States, PetersenDean offers something few other companies can: the ability to guarantee all products and installations above the roofline. Our commitment to safety, superior quality customer service, and the environment has earned us an industry-wide reputation for excellence. Learn more at http://www.petersendean.com.