
CalPortland's commitment to environmental leadership has made the organization stronger and is the primary choice of contractors.
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Our History
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CalPortland (CPC) is the oldest continually producing portland cement company west of the Rocky Mountains. It was founded in 1891 with the opening of the Colton, California cement plant. From its early years, CPC has remained a leader in the industry through its commitment to quality unsurpassed, technical superiority, and customer service.
Our Values
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Building value through people, quality, service with integrity, technical expertise, and commitment to our relationships, reliability, and environmental leadership. This is our pledge toward building a company that drives our success, nurtures our people and their families and protects the planet for generations.
Products
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CalPortland has produced and distributed the highest quality building materials in the Western United States and Canada since being established in 1891. These products are used all around us as the foundation of our society providing the roads and highways, airports, buildings, dams and levees, homes, and the required infrastructure to support social development.
Cement
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CalPortland manufactures portland cement in three cement plants located in Mojave, CA; Oro Grande, CA; and Rillito, AZ. Our state of the art distribution system also features the operation of five deep water international import terminals located in Wilmington, CA; Stockton, CA; Portland, OR; Seattle, WA; and Anchorage, AK.
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