Primoris Services Corp was founded in 1946. The Company operates as an infrastructure company in the United States. The Company provides construction, fabrication, maintenance, replacement, water and wastewater, and engineering services to public utilities, petrochemical companies, energy companies, municipalities, state departments of transportation and other customers. The Company installs, replaces, repair and rehabilitate natural gas, refined product, water and wastewater pipeline systems, large diameter gas and liquid pipeline facilities, heavy civil projects, earthwork and site development and also construct mechanical facilities and other structures, including power plants, petrochemical facilities, refineries and parking structures. It also provides maintenance services, including inspection, overhaul and emergency repair services, to cogeneration plants, refineries and similar mechanical facilities. Its subsidiary Cardinal Contractors, Inc. constructs water and wastewater facilities in Florida and Texas, and the subsidiary OnQuest, Inc., provides engineering and design services for fired heaters and furnaces primarily used in refinery applications. The Company segregates the business into three operating segments: the East Construction Services segment, the West Construction Services segment and the Engineering segment. The East Construction Services segment consists of business located in the southeastern United States and along the Gulf Coast. The segment includes the JCG heavy civil, industrial and infrastructure and maintenance operations; the water and wastewater construction operations of Cardinal, the pipeline construction and maintenance operations of Sprint, the gas plant construction capabilities of Saxon, and the turn-around capabilities of FSSI. The West Construction Services segment consists of businesses headquartered in the western United States. The segment includes the underground and industrial operations of ARB, Inc.; the pipeline construction operations of Rockford; the gas distribution operations of Q3C; the cast-in-place parking structures operations of ARB Structures, Inc. The segment also includes the operations of the Blythe Power Constructors joint venture. The Engineering segment includes the results of OnQuest, Inc. and OnQuest Canada, ULC. The Engineering segment is engaged in designing, supplying, and installing furnaces, heaters, burner management systems, and related combustion and process technologies for clients in the oil refining, petrochemical, and power generation industries. It furnishes turnkey project management with technical expertise and the ability to deliver custom engineering solutions worldwide. The Company faces lcompetition on large construction projects from both regional and national contractors. Competitors on small construction projects range from a few large construction companies to a variety of smaller contractors. Its operations are subject to various federal, state, local and international laws and regulations.