Use of global lubricant technologies allows us to formulate industry leading Duralene Heavy Duty lubricants.More
From the moment our team answers the phone to the delivery of your product, no one beats our customer service.More
Customers of The United Oil Company have benefitted from superior quality Duralene® Heavy Duty Lubricants since 1920. As the Baltimore, Maryland region's only independent heavy duty lubricant manufacturer, as well as one of the oldest in the United States, our founding principles guide our every move. Stability and consistency, coupled with word-of-mouth, fuel our continued growth.
Formulated to be sustainable and environmentally-friendly
Fully staffed and stocked inhouse equipment department
A full inventory of Bel-Ray Total Performance Lubricants
Engine oils, hydraulic and transmission fluids, and more