Founded in 1920, The United Oil Company manufactures Duralene heavy-duty lubricants in Baltimore, where it is the region’s only independent full-line heavy-duty lubricant manufacturer. Its documented chain of custody and product testing support consistent quality, while an in-house equipment department and experienced sales team provide practical help beyond supplying fluids.
ISO/IEC 17025
certification
U.S. LubricantsFounded in 1976 as an oil-blending operation, U.S. Lubricants has grown from its original Wisconsin facility into a family-owned national manufacturer and distributor. Its in-house lab helped build a lasting specialty in custom formulations, while four U.S. blending facilities now support customers across automotive and industrial markets.MIDDLE RIVER, MD
Alpha Lubricants LLCFounded in the 1970s by president and owner James Silvestros Sr., Alpha Lubricants LLC grew out of close work with mining companies facing severe operating conditions. The company now formulates lubricants for heavy-duty machinery and other industrial users, with its late-1980s Performance Booster additive remaining a distinctive part of its Premium Oils. Alpha ships its products throughout the United States and around the world.324191CANONSBURG, PA
Sunoco LubricantsSunoco Lubricants is the global brand of Advanced Lubrication Specialties, a U.S. manufacturer whose Bensalem headquarters has grown from a 24,000-square-foot plant opened in 1997 to a 128,000-square-foot operation. Across five U.S. facilities, ALS makes lubricants for customers ranging from passenger-vehicle owners to industrial operations, with a particularly distinctive presence in racing oils.BENSALEM, PA
Engineered LubricantsSince 1967, St. Louis-based Engineered Lubricants has independently manufactured lubricants and metalworking fluids, pairing custom formulations with preventative-maintenance support for industrial customers. Its in-house laboratory handles lubricant design, quality control, used-fluid monitoring and investigative analysis, while a team of 10 lubrication specialists brings more than 200 combined years of industry experience to difficult applications. The company also provides regional delivery and programs designed to extend fluid life, reduce waste and prevent equipment downtime.BANGOR, PA