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Duralene Heavy Duty Lubricants
4405 East Baltimore St, Baltimore, Maryland, United States

Memberships : NA
Industry : Fuel Cells
Basic Member
Since Feb, 2019
About Company

The United Oil Company is proud to be the Baltimore region’s only independent heavy duty lubricant manufacturer, as well as one of the country’s oldest. But while that puts us in an exclusive category, it doesn’t begin to tell the complete story of who we are and what makes us unlike the multi-branded distributors you’re used to.  That’s because our identity is as much about traditional business principles as it is about Duralene® Heavy Duty Lubricants. The principles that inspired our establishment in 1920 and continue to guide our every move are what enable us to remain stable despite market changes.  Since the very beginning, we have put the needs of the customer above everything else. Decisions are made and courses of action taken based on long term benefits to the customer. And to make sure we are continually adapting to customer needs, I am in the field most days as a Duralene Sales Representative for many of our 1,200+ customers. While this may be different than what you are used to, it’s our independence from large corporate shareholders and commitment to the success of our customers, employees, and local communities that are valued the most.

Our Vision

To be the region’s preeminent heavy duty lubricant supplier, growing through customer service excellence and proven product performance.

Our Mission

To be our customers’ best supplier.

Our Values

  • We put the needs of our customers above everything else.
  • We provide high quality, dependable lubricants built for maximum durability and protection.
  • We are passionate about service.
  • We work together to achieve our mission.
  • All of our interactions are conducted with professionalism, integrity, and respect.


For almost 100 years, The United Oil Company has been manufacturing Duralene® Heavy Duty Lubricants that exceed OEM and real world severe duty requirements. During that time, we have learned a great deal about the needs of our customers and their equipment. Our passion fuels our desire to continually formulate new products and expand our services, helping you reach new levels of success by minimizing equipment downtime and extending equipment life.


Service starts when one of our friendly customer service representatives answers the phone and the main office or sales representative answers their cell phone on the road. Both are knowledgeable and empowered to make decisions and take action in support of customer service needs.

Company NameDuralene Heavy Duty Lubricants
Business CategoryFuel Cells
Address4405 East Baltimore St
United States
ZIP: 21224
PresidentTimothy P. Croke
Year Established1920
Hours of OperationNA
Company Services
  • Antifreeze/coolants
  • Biodegradable Lubricants
  • Diesel Exhaust Fluid
  • Engine Oils
  • Food Grade Lubricants
  • Fuel Additives
  • Gear And Compressor Fluids Greases
  • Hydraulic Fluids
  • Transmission Fluids
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