Only local companies independently rated Highest in Quality and Helpful Expertise® earn Diamond Certified®. Each is backed by our Performance Guarantee. Our rigorous certification process starts with the in-depth pass/fail rating of each company's customer satisfaction, license and insurances. Most companies can't pass our rating and earn Diamond Certified, and every Diamond Certified company must continue to deliver on its promises to you, the consumer. That's why we conduct ongoing customer satisfaction research and credential-based ratings and monitor each company's performance. Visit our website for quick access of your Diamond Certified Resource. Get extra benefits by joining us as an always-free Diamond Certified Preferred Member!