Double O Engineering

Granite Construction Company is one of the largest heavy civil contractors and construction materials producers. The company produces sand, gravel, ready-mix and asphalt concrete and other construction materials. Located in Watsonville, Calif., it offers a range of construction services, such as paving, building, land development and designing. The company has worked on various projects, which include roads, highways, tunnels, bridges mass transit facilities and airports. It serves both public and private sectors. The company has association with Granite Land Company and Granite Construction Northeast.