We take pride in ensuring that we produce the highest quality products on island that will consistently meet or exceed customer specifications. Our quality control staff continually monitors the quality levels of all materials used to produce our concrete and asphalt. Hawaiian Rock Product’s state-of-the-art automated batch plants that produce concrete conforming to the most demanding specifications. In our more than 55 years of experience in the ready mix concrete industry. We have provided concrete for Guam, Saipan, and Tinian. Our staff are certified by the American Concrete Institute and the National Ready Mixed Concrete Association. No job is too big or too small.