Profile: Schaeffer Manufacturing Co. specializes in developing industrial lubricants and fuel additives. We are an ISO 9001:2000 certified company. Our synthetic motor oils and diesel fuel additives improve the engine performance & fuel economy. Our diverse product line includes all types of industrial lubricants, greases, and oils as well as specialty items like chain lubes & degreasers. We specialize in developing lubricants for vehicles used in the construction, trucking, mining, and farming industries. We have specialized lubricants and fluids that can meet the lubrication needs of most industries. We manufacture a variety of synthetic motor oils and natural gas engine oils primarily for heavy-duty diesel & gasoline engines. Our Supreme 9000 full synthetic engine oil is a full synthetic diesel and gasoline engine oils formulated to extend engine life while providing for extended drain capability & improved fuel economy. Our Diesel Treat 2000® is a multi-functional all-season diesel fuel additive formulated to boost fuel economy, improve cetane numbers, reduce emissions, fight fuel deposits, and increase lubricity protection. Our Neutra Plus is a highly concentrated multifunctional fuel stabilizer for diesel fuel that is specially formulated to improve cetane ratings, reduce warmup times, and provide for easier cold weather starting.