The company’s Port Arthur Manufacturing Complex in Port Arthur, TX, is comprised of North America’s largest refinery with a total throughput of 720,000 barrels per day, the largest base oil plant in the western hemisphere, and an integrated chemical plant. At Motiva, our employees’ energy, passion, and dedication to excellence are what make us who we are and what allows us to generate energy that makes a house a home, gets us from point A to point B, and enables our health and wellbeing.