Company Profile
CalPortland
Company Overview
Founded in 1891, CalPortland is one of the largest building materials companies in the western United States. Major products include cement, ready-mix concrete, aggregates, asphalt, construction services, and precast products.
We build value through people, quality, service with integrity, technical expertise, and our commitment to safety, the environment, and family.
Company History
CalPortland was established as California Portland Cement Company in 1891. The original cement plant, located at Mount Slover in Colton, California was west of the Mississippi River. In 1917 the company raised an American flag on the top of Mount Slover that flew 24 hours a day – only the third flag in the United States given permission to fly 24 hours a day (after the White House and the Capitol Building in Washington, D.C.).
In the early years, cement was loaded into wood barrels (made on-site) and transported by mule trains all across the west supporting the ongoing expansion of the United States.
Colton Cement was used to build the Hoover Dam, Los Angeles City Hall, the Los Angeles Memorial Coliseum, many of the roads in California, and the foundations for countless homes throughout the west. Eventually shipped to other states, structures using Colton cement can also be found in Nevada and Arizona.
With the demand for cement increasing, the company constructed a cement plant in Rillito, Arizona which began producing cement in 1949 (under the name of Arizona Portland Cement). As California and the surrounding states continued to grow, the company built a third plant in Mojave, California which began producing cement in 1956. Powered partly by wind-generated electricity, Mojave is a model in energy efficiency.
The Colton plant stopped producing cement in the mid-2000's as the cost of modernizing the plant was weighed against the amount of limestone left at the site. To ensure a continuing supply of cement, the Oro Grande cement plant was purchased in 2015. This plant is one of the most modern in the United States, able to produce significant quantities of cement each year.
Pioneer Sand and Gravel was formed in Seattle, Washington in 1910. Pioneer, which eventually became Glacier Northwest, has been a major supplier of construction materials throughout the northwest, producing and delivering ready-mix concrete and other building material supplies (aggregate, sand, gravel, etc.). Glacier’s growth expanded operations from areas near the Canadian border to south of Portland, Oregon. Glacier and the California Portland Cement Company were acquired around 1990 and merged into one company in 2005.
Union Asphalt/Coast Rock Products started in 1956. Originally selling aggregate and rock-related products, the company quickly expanded to road construction and asphalt, later adding ready-mix concrete to the business. Acquired by CalPortland in 2008 and now called the Central Coast region, this group serves communities from Santa Barbara up to Monterey County.
The company has its roots in the building materials operations in the Southern California area since around 1919, dating back to the formation of the Union Rock Company. Over the years the company has merged with, acquired companies, and organically grown its materials business and today is a leading provider of ready-mix concrete under the name Catalina Pacific in the greater Los Angeles area. Chosen to provide the concrete for what is now the Intercontinental Los Angeles Downtown Hotel, the company provided 21,200 cubic yards of concrete in just under 19 hours. This record places the construction team and CalPortland in the Guinness Book of World Records for the largest continuous mat pour of concrete recorded.
Silver State Materials of Las Vegas, Nevada was acquired by CalPortland in 2008. Formed in 1987, Silver State continues to build much of Las Vegas and the surrounding areas, including landmark casinos such as the Mirage Hotel and Casino, Buffalo Bills Hotel and Casino, Whiskey Pete’s Hotel and Casino, and the Gold Strike Hotel and Casino, as well as the spectacular Hoover Dam bypass bridge which is the highest and longest arched concrete bridge in the Western Hemisphere.
Re-entering the Arizona market in 2005, the company has grown to be one of the largest materials companies in Arizona serving the greater Phoenix and Tucson markets. Like its other markets, CalPortland plays a significant role in the building of roads, commercial buildings, sports stadiums, residential, and airports.
CalPortland’s most recent acquisition, Smokey Point Concrete/Skagit Ready-Mix was acquired in 2013. Dating back to 1970, CPC Materials (as it is now known) has provided concrete for roads, harbors, Indian casinos/hotels, commercial buildings, housing projects, and more from the Everett, Washington area up to the Bellingham, Washington area. CPC Materials lays claim to the closest CalPortland facility to the Canadian border (Hamilton Quarry in Hamilton, Washington).
Come make history with us!
Benefits
At CalPortland, we’re proud to offer a comprehensive, competitive benefits package that provides health and financial support to our most important resources: our employees. Your benefits are an important part of your overall compensation at CalPortland. That’s why we give you a wide range of benefits to choose from. All regular full-time employees may enroll in a variety of health and welfare plans including medical, dental, and vision plans. Other benefits include life insurance, disability coverage, an employee assistance program, and a retirement program. The company also has a variety of voluntary benefits for employees to choose from.
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