ABOUT SAFETY & QUALITY INVESTORS CAREERS CONTACT SERVICES MARKETS PROJECTS BUSINESS UNITS PRIMORIS, BUILDING AMERICA’S FUTURE, TODAY. ABOUT PRIMORIS STOCK PRICE STOCK INFORMATION NEWS 11.08.2021 Primoris Services Corporation Reports Third Quarter 2021 Results ALL NEWS EVENTS 11.11.2021 Baird 2021 Global Industrial Virtual Conference ALL EVENTS PRIVACY POLICY TERMS OF SERVICE SITE MAP facebook Twitter Instagram CONTACT ©2021 Primoris Services Corporation. All Rights Reserved.

ABOUT SAFETY & QUALITY INVESTORS CAREERS CONTACT SERVICES MARKETS PROJECTS BUSINESS UNITS ABOUT COMPANY PROFILE HISTORY ETHICS & VALUES Print Email Home / About / History HISTORY After nearly seven decades, Primoris Services Corporation (Primoris) has built a reputation for taking on challenges that others will not – setting the bar ever higher for ourselves and our industry with each project. Our roots go back to 1960 with the founding of ARB, Inc. of Bakersfield, CA a pipeline construction company. ARB met the growing demand for energy infrastructure that accompanied the mid-century oil boom in the west and quickly established the reputation for great quality and reliability. ARB's work and reputation fueled significant growth and laid the foundation for Primoris which is today one of the largest specialty contractors in the country. Primoris was formed in 2004 as the parent company and is traded on NASDAQ under the symbol PRIM. PRIMORIS MILESTONES Slide below to view activities. Sign up for Email Alerts SUBSCRIBE PRIVACY POLICY TERMS OF SERVICE SITE MAP facebook Twitter Instagram CONTACT ©2021 Primoris Services Corporation. All Rights Reserved.

ABOUT SAFETY & QUALITY INVESTORS CAREERS CONTACT SERVICES MARKETS PROJECTS BUSINESS UNITS SITE MAP Print Email Home / Site Services Home About Company Profile History Ethics & Values Safety & Quality Health & Safety Awards Quality Environment Investors Careers Why Work Here Our Culture Benefits & Rewards Employment Opportunities Contact Contact Form Location Map Services Engineering Procurement Fabrication Construction Maintenance Integrity Management Markets Energy/Renewables Pipeline Services Utilities Projects Business Units Site Services Privacy Policy Terms of Service Apply for this job Apply for this job Sign up for Email Alerts SUBSCRIBE PRIVACY POLICY TERMS OF SERVICE SITE MAP facebook Twitter Instagram CONTACT ©2021 Primoris Services Corporation. All Rights Reserved.