Primoris Services Corporation is a holding company. The Company holds various subsidiaries, through which it operates as a specialty contractor and infrastructure company. The Company provides a range of 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. It operates in three segments: the West Construction Services segment (West segment), the East Construction Services segment (East segment) and the Energy segment. The Company installs, replaces, repairs and rehabilitates natural gas, refined product, water and wastewater pipeline systems; large diameter gas and liquid pipeline facilities, and heavy civil projects, earthwork and site development.