CITY OIL CO. INC.

Bulk DEF delivery

OR FILL OUT THIS QUICK REQUEST FORM

OR FILL OUT THIS QUICK REQUEST FORM

Bulk DEF delivery

ON-SITE D.E.F SPECIALIZED DELIVERY SYSTEM

DIRECTLY FROM OUR FLEET TO YOURS!

At City Oil, we understand how important it is to keep your fleet vehicles running at full capacity. That’s why we offer high-quality diesel exhaust fluid (DEF) delivered directly from our specialized pumping system to your fleet vehicles. Our DEF inventory is guaranteed to be free from impurities, keeping your vehicles safe from harmful contaminants. Choosing us as your bulk DEF delivery supplier ensures that your trucks will always be running at their best. Benefits of our diesel exhaust fluid DEF deliveries include:

– Routine Scheduled Deliveries
– Weights & Measures Certified
– Sealed & Contaminant Free System
– Reduce Product & Labor Cost

Our On-Site D.E.F Deliveries make a great pair with our Diesel Fleet Fueling Service. City Oil’s routine delivery services are the most dependable and on time services in the industry for all of your DEF delivery needs.

Contact us today to learn more about our bulk DEF tank services and how we can help you keep your fleet running smoothly.

1 HR
DEF Delivery 24/7 365 Days
1 M+
Gallons of DEF Delivered
1 +
Strategic Suppliers
1 +
Cities Serviced

Want to see how much you can save in Labor & Fuel Costs with City Oil?

Avoid downtime! D.E.F Onsite Delivered to Your Vehicles, Trucks and Job-Sites.

OilZum Clear Air DEF

Leading the way in DEF

City Oil Co. Inc. is the premier on site Diesel Exhaust Fluid bulk delivery distributor in Connecticut. Our high-quality ISO-certified product is a key component in the selective catalytic reduction system for modern diesel engines. It is enhanced by our specialized equipment, and fast DEF fluid delivery exceeding all of your DEF needs.

Oilzum DEF

Certified by the American Petroleum Institute (API), Oilzum DEF solutions exceeds the standards that engine manufacturers service warranties require. Our API-certified Oilzum has a deep history in New England for delivering high quality DEF ready products and the Oilzum Clean Air DEF is no different.

Why Choose City Oil

City Oil is a family owned and operated business, that has been providing fuel services, to the state of Connecticut, Western Massachusetts, and surrounding areas since 1990. With our dedicated team of delivery drivers, dispatchers, account managers we take pride in providing quality products and reliable services.

Bulk DEF delivery

One Source

Offering a wide range of fuel options, we are your one source no matter how much DEF your fleet or equipment needs. Offering diesel fuel, gasoline, heating oil, kerosene, bulk DEF delivery and more at the most competitive prices.

bulk fuel

Reliable Fuel Supply

Our unrestricted access to a network of fuel supply locations throughout the state of Connecticut ensures that we can deliver DEF directly to your equipment wherever you are without delays or disruptions.

DEF fluid delivery

24 Hour Delivery

Call, text or email - regardless of how you contact us, we will respond ASAP and deliver your fuel. We have trucks on the road 24 hours a day, so we can accommodate emergency delivery requests. No more wasting time in gas stations.

Diesel exhaust fluid bulk delivery

Equipment and Personnel

At City Oil Co, we pride ourselves on having a fleet of newer well-maintained trucks, DEF tanks, and equipment, along with exceptional delivery drivers who provide dedicated support when you need it.

Our Happy Clients!

Mario Warszawik
Mario Warszawik
Google
Read More
City oil saved me almost 30 cents per gallon on heating oil compared to local heating oil companies. Very thorough , and they definitely know what they are doing. Highly recommend.
 Thomas Lawlor
Thomas Lawlor
Google
Read More
City oil has been providing me with the quickest deliveries and the best price on fuel. No matter what time I call I always receive a delivery first thing the next morning to keep my machines running.
James Doyle
James Doyle
Google
Read More
I have been using city oil for close to three years now for all of our equipment and trucks Fueling needs. They are always quick with deliveries especially if we run heavy one week and are low on fuel they always have a truck there if I call and let the owners know. Being a smaller outfit it truly speaks volume and customer service knowing that they are willing to help guys like me to stay moving forward! Thankyou Sal !
Rhonda Prucker
Rhonda Prucker
Google
Read More
City Oil has been a wonderful company to work with! Deliveries for our company are prompt and they have very competitive prices. We have been working with them for quite some time. I would highly recommend City Oil!!!
Chez Pace
Chez Pace
Google
Read More
Have been using City Oil for our business fuel needs for many years and have nothing but great things to say. City Oil exemplifies professionalism, keeps to their schedule and always willing to help in a pinch. I highly recommend City Oil for your fueling needs!
Nick Procko
Nick Procko
Google
Read More
The always have the best pricing and are willing to go the extra mile. I ran out of home heating oil and they came immediately to help out. Highly recommend!!!
Previous
Next

Schedule Your Bulk DEF delivery Now

Request fuel in 5 minutes. It’s simple and easy to do.

FUEL PRODUCTS WE DELIVER

We know fuel cost is important to you. With over 30 years of experience in buying and selling fuel, we know how to provide the most cost-effective fueling programs in the industry. To ensure that there are no problems in your operations, we only supply the highest quality fuel and additives. 

On-Road, and Off-Road Diesel Fuel is available. Ultra Low Sulfur Diesel is now the standard for diesel powered vehicles and equipment nationwide.

We provide all grades of gasoline; 87 Octane, 89 Octane, and 93 Octane.

Our commercial and home heating oil division provides routine deliveries, and services. Ask about our automatic delivery program. 

Clear and dyed kerosene is available.

Special condition additives, and  blended fuels are available. We blend our Diesel fuel during exceptionally cold weather to avoid any problems and freeze ups.

City Oil Offers high quality bulk DEF delivery services directly from our specialized pumping system to your fleet vehicles, guaranteed to be free from impurities, keeping your vehicle’s safe from harmful contaminants. Choose us as your go-to DEF delivery near me supplier to keep your trucks running at full capacity.

SERVICE AREAS

City Oil Co. Inc. is proud to service the whole state of Connecticut, along with the Springfield and Western Massachusetts areas. Including Hartford County, Fairfield County, Litchfield County, Middlesex County, New Haven County, New London County, Tolland County, Windham County, Springfield and Western Massachusetts.