Primoris Services Corporation is a publicly traded specialty construction and infrastructure company based in the United States, with a particular focus on pipelines for natural gas, wastewater and water.

The company was founded as ARB, Inc. in Bakersfield, California in 1960,[4] and was organized as Primoris in Nevada in 2003.

In 2008, it was incorporated as a public company in Delaware.

Since then, it has expanded significantly through a number of significant acquisitions, including:

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