For over 70 years, Diamond W has proudly served as a trusted distribution partner for the retail and floor covering trade in the West. Our success is driven by a strong focus on the customer from a passionate team that is dedicated to exceptional service. In 2006, Diamond W was acquired by Tarkett, a global leader in transformative and sustainable flooring solutions. In addition to the City of Industry, CA headquarters, Diamond W has locations in Hayward, CA, San Diego, CA, and Phoenix, AZ.