DUPONT PIT
ABOUT
Dupont Pit, operated by CalPortland Company (a Taiheiyo Cement Corp subsidiary), provides high-quality construction sand and gravel for diverse applications. Located 3 miles west of Dupont, WA, in Pierce County, the surface quarry strategically serves the Puget Sound region with a dedicated team of 57 employees, ensuring reliable supply and consistent product quality.
MATERIALS PRODUCED
COMPANY INFORMATION
Operator
CalPortland Company
Parent Company
Taiheiyo Cement Corp
Company Type
Corporation
DIRECTIONS
50
CONTACT
Contact information not available for unclaimed listings.
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Data Source
Mine Safety and Health Administration (MSHA)
Last updated: 1/30/2026
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