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California Portland Cement CalPortland is the largest building materials company producing cement and construction material products in the western United States. CalPortland has operations in Alaska, Washington, Oregon, California, Nevada and Arizona as well as in British Columbia and Alberta. Since 1891, CalPortland has been producing Quality Unsurpassed cement based products and delivering material on time and uninterrupted with integrity, reliability and consistency.

CalPortland's commitment to environmental leadership has made the organization stronger and is the primary choice of contractors.
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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.
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.
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.
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.
Reviews (7)
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Loki S.
Jun 17, 2022
Number listed is not in even service so no one answers the phone so zero stars. What else to say
Brandi Burchett-Dunning
Apr 10, 2020
So unnecessarily rude, unprofessional and nasty. This morning I walked out to my car, parked in my driveway and realized I was blocked in by one of their concrete trucks, I asked the driver from truck 5059 to move and her exact response was "No, I'm not moving" then proceeded to make some hand gesture and told me to pull out around her truck. Which means I would have had to drive into my front yard, to angle enough that I was backing up between her truck, the other vehicles in my driveway and the 8 vehicles parked along the street. After several exchanges, and me taking her picture blocking me into my driveway and refusing to move, she finally backed her truck up enough that at least I didn.
K. B.
Jul 18, 2019
Worst company ever to work with! They file pre-liens after jobs are already closed for work that wasn't even done on the project site and then they wont send out waiver releases.
Ron Afferino
Mar 24, 2019
I Myself Worked For Cal Portland For 21 Years. Started In Sun Valley May 1985 To June 2006 West L.A. Great Company To Work For. And Sure Miss It Now That I Am Retired.
Chad R.
Jan 30, 2019
Prey for your life if you see one of these trucks coming down the road! I think they hired Ricky Bobby as a driver.
Stephanie Weiss Gendron
Nov 03, 2018
I love my job at CalPortland! Great benefits, great people, and the best boss ever. I'm proud to work for a company that is progressive and forward moving.
Stephanie B.
Jun 13, 2015
This concrete company saved the day! After we had a bad experience with Baja Ready Mix, we called Calportland and they were able to squeeze us in on a Saturday! The other company we called left us hanging this morning (even though we ordered the concrete 2 weeks ago.don't use them) and Calportland had no problem helping us out. They were at our house in a timely manner. Extremely professional and helpful. Thanks guys!