Diamond Certified Expands Roofing Ratings to Colorado Market
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Petaluma, Calif. – September 19, 2026 -- American Ratings Corporation is expanding its Diamond Certified Resource rating system into Colorado, targeting roofing contractors in Denver, Arapahoe, Boulder and Jefferson Counties as the initial trade category for the new market.
Colorado roofers face a September 23 application deadline for early market entry
Roofing companies in the four Colorado counties can apply for Diamond Certified status until September 23, with a limited number of "Founder" positions available per county on a first-applied basis. Founders receive five years of free top placement, a locked-in rate, and a money-back guarantee tied to the certification.