ESI's Engineered Systems are The Recognized Leader in the Fuel Polishing Market

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Our Mission

To protect our customers and their assets by eliminating all internal and external fuel-related threats to diesel engines and stand-by critical power operations.




Our Values

ESI demonstrated its commitment to customer oriented risk solutions during the aftermath of Hurricane Katrina.

We are committed to our customers and to crafting the most reliable diesel fuel polishing systems in the world by continually evolving our products through engineered innovation and ongoing training of end-users, dealers and installers. Because of their guaranteed ability to prevent diesel engine failure due to fuel-related contamination, our products are leveraged widely throughout the marine yachting and trawling markets. Because of our commitment to ongoing innovation, ESI has also become the specified choice of consulting engineers on such critical power infrastructure deployments as data center construction, Homeland Security, and municipal infrastructures.


In short, wherever a diesel fuel-related failure threatens assets, lives, operations or commerce, ESI systems are the engineered choice. Because of our impeccable track record of zero fuel-related failures in over 15 years, we are the go-to industry leaders in reliability, caring for customers and the environment so that life can continue uninterrupted. We treat our customers the way we ourselves would like to be treated and incorporate the love an guidance of Christ into every aspect of our products and our business operations.




The ESI Story

Through our relentless focus on standby power reliability, we have committed ourselves to be the innovative leaders and responsible industry experts in proven, engineered diesel fuel filtration systems for standby diesel power generators and marine diesel power. Our patented Clean Fuel Systems™ boast unprecedented N+3 reliability and are the only 100% leak-proof systems guaranteed by a third party. As such, ESI have become industry experts, eliminating diesel engine and generator failure through comprehensive diesel fuel management.


ESI’s Clean Fuel System™ prevents diesel generator failure by cleanly and reliably filtering stored diesel fuels -- eliminating water, sediment and microbial build-up continuously through an engineered process that has no market equal. Clean Fuel System™ is the preferred diesel fuel polishing system of critical power applications such as large data centers, corporate assets, government facilities and municipal infrastructures where single-point failures in system reliability must be eliminated. Clean Fuel System™ has also become the most sought-after standard for reliability for owners and operators of larger marine pleasure yachts and expeditionary diesel-powered trawlers.


ESI's Clean Fuel System™ is the first and most reliable diesel fuel polishing system on the market. For over 15 years, this comprehensive, engineered fuel filtration system has protected the stored diesel fuel in standby power systems and has never failed to prevent generator shutdown due to fuel contamination. In addition to its platform Clean Fuel System™, ESI has become the preferred, specified provider in critical power applications that require N+3 reliability, offering end-to-end fuel management solutions that guarantee the quality of fuel entering the system; the maintenance of diesel fuel in the system; and the clean and green (no chemical biocides) removal of fuel water and contaminants at the end of the filtration process. By perfecting the science of fuel/water separation (as opposed to water "absorption") and ensuring the contaminants are not released into the environment, ESI has deployed the first green-data-center-friendly filtration systems that also dramatically reduce total ownership costs.


ESI’s Clean Fuel System™ is the only third-party-certified diesel fuel polishing system that is guaranteed 100% not to leak. Each system is tailored for a specific application and Clean Fuel Systems™ today are found throughout the world in marine and critical power applications.




For Further Information


If you have any questions, comments, or to discuss your fuel system needs or problems with a fuel management engineer, please contact ESI Total Fuel Management:
USA:1-800-411-3284, Internationally: +1-703-263-7600, email:


ESI Total Fuel Managment

Ashburn, VA * Hannover, Germany


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Corporate Headquarters:

20099 Ashbrook Place, Suite 170
Ashburn, VA 20147



Toll Free: 800-411-3284
International: 703-263-7600
Fax: 703-817-7776


Why ESI is the Leader in the Fuel Polishing Industry



  • Over 400 Million Gallons of Fuel Polished Worldwide
  • 15+ Years of Field Tested Equipment with No Fuel Failures
  • Industry Defining Patented Technology
  • Philosophy of Customer-Driven Innovation & Improvement
  • Complete End to End Solutions with Value Added Services

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