Refined Fuels

When it comes to fuel supply, it has to be where you need it – every time. You need a trusted partner that gives you that peace of mind. With 90 years’ experience in the fuel distribution industry, Mansfield Service Partners delivers over 3 billion gallons of diesel and gasoline annually to our customers across North America. Operating in over 900 fuel terminal supply points and processing over 30,000 prices daily, MSP customers benefit from our supply reliability and optimized prices.

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The Mansfield Difference
  • Secure Fuel Supply
  • Expert Logistics
  • Flexible Pricing Options

DEF (Diesel Exhaust Fluid)

To protect your fleet assets, Mansfield Service Partners ensures you have a reliable supply of high-quality DEF that consistently meets ISO standards. Whether your organization needs bulk DEF delivered or smaller retail quantities, you can count on MSP to deliver DEF when and where it’s needed.

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The Mansfield Difference
  • Guaranteed Quality Supply
  • US and Canadian Terminal Network
  • 175 North American Supply Points
  • Extensive DeliveryONE Network

Your Lubricants Partner

Mansfield Service Partners teams with you to provide proactive, tailored programs and products. From our range of high-quality lubricants and fluids to our nationwide delivery, equipment, services and expertise, you can rely on MSP to manage your comprehensive lubricants program.

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The Mansfield Difference
  • Reliable Supply
  • Competitive Prices
  • Dedicated Customer Service
  • Deeply Experienced Energy Partner


Sustainability has become a high priority for many businesses, which is why Mansfield Service Partners provides our customers a wide variety of renewable energy solutions. Biofuels are cleaner-burning and can be blended with traditional fuel to offset the carbon production without sacrificing power and performance.

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The Mansfield Difference
  • Blends to Meet Varied Needs
  • B5 (5% Bio-blend)
  • B10 (10% Bio-blend)
  • B20 (20% Bio-blend)

Customer Forms

Mansfield Service Partners offers advanced additive treatments to keep your engines at peak performance all year long. We track the details so you don’t have to – delivering the right blends to your specifications when and where you need them.

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The Mansfield Difference
  • Optimize Fuel Economy
  • Maintain Engine Cleanliness, Lubricity
  • Guard Against Microbial Contamination
  • Disperse Water
  • Improve Cold Weather Operability
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