Granite Rock Company

MiningCalifornia, United States11-50 Employees

Granite Rock Company is a mining enterprise based in South San Francisco, California. The firm operates within the mining and metals sector, offering materials and related services that support construction and infrastructure projects. With a long-standing presence in the region, the company has a history of expanding its asset base and facilities, including developments in Redwood City, reflecting ongoing investment in its operations. The business serves a customer base connected to quarrying and aggregate production, addressing needs for materials and plant operations essential to construction activity. In recent years, Granite Rock has been recognized for environmental and community engagement, including awards related to environmental stewardship and workforce support, while also participating in local events such as Quarry-focused activities. The company’s activities and recognitions situate it as a regional player within a broader mining and construction materials industry, with a footprint in Northern California.

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