Quality Block Co., Inc. in Phoenix, AZ, is a local manufacturer of concrete block. We serve a diverse mix of customers, including commercial, residential & walk-in customers. We specialize in many sizes & colors of construction, fence, scored & split block. Our hours of operation are: Mon - Fri 5:00 AM - 3:00 PM, Sat & Sun closed. Customer Service is our #1 priority. We are proud members of the BBB.