For over 76 years, Oscar W. Larson Company has served as a leader in full service petroleum and fluid handling equipment contracting. It's nice to know that when you choose Oscar W. Larson Company, you'll be working with a company that brings decades of expertise to every project. With over 1200 skilled employees across the country, we are uniquely qualified to provide comprehensive solutions for all of your project needs. Our factory trained technicians and licensed mechanical, electrical, E-Mobility and HVAC contractors deliver "one stop" shopping to meet all design, construction, excavation, remodeling, installation, service, building maintenance, product consultation, and sales needs.