Certified North America's highly trained sales force develops equipment reliability partnerships with our heavy equipment, heavy industrial, and fleet customers by providing industry-leading lubricants, application equipment, and value added services. We will grow by offering our customers the most innovative and effective solutions with the best ROI. Certified began business in 1948 in Fort Worth, Texas with a store front maintenance supply business. We realized early that the need for exceptional products and service was universal. By the 1950’s Sales Representatives were hired and sales offices were opened outside Texas. Today, Certified is one of the largest manufacturers of lubricants in the world with plants, warehouses and sales Read more