NPG Corporation also owns GoldStar Asphalt Products, wich is the 3rd largest slurry seal coat manufacturer on the West Coast. GoldStar can offer a mix design with no comparison to others for seal coat materials and crack fillers. For more information on our plant please feel to visit our web-site at www.goldstarasphalt.com or give us a call at 951-940-1610 for a tour of our plant.