One Stop Shop For Your Fuel Related Needs

Fluids for your Fleet

What sets Fleet Core apart from our competitors is that we are not just an aggregator or middleman. We are a full-service provider that owns and operates our own fleet of delivery vehicles and equipment.

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Fluids for your Fleet

[email protected](302) 228-2162

Experience the Fleet Core Difference

What sets Fleet Core apart from our competitors is that we are not just an aggregator or middleman. We are a full-service provider that owns and operates our own fleet of delivery vehicles and equipment. This means that when you work with us, you can expcet a direct and personalized service experience.

We have been serving the Denver region for many years, and have built a reputation for excellence in the industry. Our team of experienced professionals is dedicated to ensuring that you receive the highest level of science and support, every step of the way.

We take pride in being one of the few companies in the region that provides the full range of fuel services. Our commitment to quality, reliability, and customer statisfaction has earned us the trust and loyalty of many businesses in the Denver region.

Our Services

On-Site Fuel Delivery

Ensuring a consistent, reliable fuel supply is critical to keeping your operations running smoothly and efficiently

Bulk Oil Delivery

Offering a diverse selection of motor oils and lubricants to suit your business’s every need

Fuel Polishing

Discover the benefits of fuel polishing, why it’s essential for your business, and why Fleetocre is the right choice for your fuel maintenance needs.

Diesel Tank Cleaning

We help businesses in Denver and the surrounding areas maintain the cleanliness and integrity of their diesel storage tanks.

Fuel Tank Leasing

You can gain access to high-quality fuel storage tanks and equipment, complete with pump, filter, hose, and remote monitoring, without the upfront cost of purchasing them outright.

Diesel Fuel Testing

Learn more about the importance of diesel fuel testing, the regulatory compliance requirements, and the types of facilities that can benefit from our services.

Certifications and Accreditations

Airport Concessions Disadvantaged Business Enterprise

ACDBE is an acronym for Airport Concessions Disadvantaged Business Enterprise. The ACDBE Program is similar to the DBE program in that it is a Department of Transportation (DOT) program designed to level the playing field for small businesses who wish to participate in contracting opportunities at airports.

Emerging Business Enterprise

The Emerging Business Enterprise (EBE) Certification Program works to ensure that businesses owned, operated, and controlled by individuals who are socially and economically disadvantaged receive preference for contracting opportunities. The program is designed to promote fairness and equity in city contracting and to level the playing field for these business owners.

Minority and Women-Owned Business Enterprise

commonly referred to as a WBE, is an independent business concern that is at least 51% owned and controlled by one or more women who are U.S. citizens or Legal Resident Aliens; whose business formation and principal place of business are in the U.S. or its territories; and whose management and daily operation is controlled by a woman with industry expertise. The minority business must obtain certification by an affiliate council of the Women’s Business Enterprise National Council

Disadvantaged Business Enterprise

Designed to remedy ongoing discrimination and the continuing effects of past discrimination in federally-assisted highway, transit, airport, and highway safety financial assistance transportation contracting markets nationwide.

Small Business Enterprise

Company level diversity certification. Eligibility for certification as a Small Business Enterprise varies depending on the issuer; requirements may relate to number of employees, length of time the company has been in business and the net worth of the company’s owner, etc.


Great company and great service!! Employees are well trained and very professional!!


Fleet Core offers excellent customer service. They complete the commitments they make and take care of their clients.


Great Diesel and Service. Extremely low temps and Core Power didn't let me down. I would recommend Fleet Core and Core Power diesel to anyone in the Denver area.


Quick and efficient on-site fuel delivery.