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Business Units

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PSC was formed in 2004 as the parent company of a varied and robust portfolio of related entities. Through internal expansion and a series of strategic acquisitions, PSC diversified its operations and expanded into engineering, industrial, underground, structural, and power generation activities.


PSC’s diversification is defined through our companies below:

Aevenia encompasses electrical and telecommunications construction

ARB has been bringing power and underground pipeline industries to the forefront for over 50 years

ARB Structures introduces parking structure construction throughout Southern California

BW Primoris Development of water resources for municipalities, water districts and industrial customers

Cardinal Contractors covers our southern reach of water and wastewater construction and reverse osmosis plants

James Construction brought heavy highway and bridge construction to our portfolio

OnQuest engineers heaters, furnaces and LNG plants

Primoris Energy Services constructs a variety of heavy industrial projects

Q3 Contracting builds infrastructure throughout the Rockies and Northwest

Rockford Corporation builds pipeline from coast to coast