Hawaiian Rock Products Corporation (HRP) presently does business on the islands of Guam and two Islands of the Northern Marianas, Saipan and Tinian. HRP was formed in 1958 by Dillingham Corporation. It was purchased by Mitsubishi Cement Corporation Development (MCCD) in 1990. HRP is the leading producer of aggregates, Ready Mix Concrete, Concrete Blocks, concrete pipe, and Asphalt Pavement on the three islands.
For additional information about Hawaiian Rock Products Corporation, please visit: http://hawaiianrockguam.com/
