We are Wolf.

This is our promise to you
A person in a bright yellow shirt, wearing a black cap and sunglasses, standing next to a large blue tanker truck with company logos and hazard signs, outdoors under a cloudy sky.

We supply you with premium quality fuels, lubricants, & fluids that get you going and...

A smiling man wearing glasses, a cap, and a navy blue work shirt standing in front of a large blue semi-truck with the words 'Wolf' and 'Truck' visible, under a partly cloudy sky.
Logo for Quality Products since 1941, with the words Premium and Products in a circular design around the name Quality, written in cursive, with decorative swirls.

Keep you

moving.

You can

count on us.

Blue trucking truck with a person climbing into the cab, parked on a wet surface, with another large vehicle in the background under a clear blue sky.

At Wolf, we don't just deliver fuel; we fuel success stories. Since 1941, our commitment to corporate excellence, integrity, and safety has set the standard.

Trust us to "do what we say and say what we do" as we propel your business forward with premium quality products and unwavering dedication.

How we lead the industry.

Customer focused.

Two men working with a large white fuel tank, one inside it and the other leaning over its edge, in front of a red combine harvester in an outdoor setting with trees.

We are committed to assuring our customers that they can count on us to "do what we say and say what we do". We expect to earn your business by being a value-added partner and consultant.

Quality products.

A red truck with a white battery box in the back, featuring a blue logo and contact information, parked in front of a beige building with a sloped roof and a wooden utility pole.

We're all about providing you with products we trust. We focus on quality, not just price. For years, we have been synonymous with premium-quality products and exceptional service, distinguishing us from the rest.

Honest employees.

A smiling woman wearing sunglasses, a black cap, and a bright neon yellow shirt with logo and text, standing next to a large blue fuel truck with logos and hazardous material sign, under a partly cloudy sky.

We search for the most talented individuals in their fields. From building strategies to goal setting to implementation, our team excels at every turn to ensure the long-term viability and strength of our business.

Family owned.

Group of eleven people posing next to a red fire truck with the word "STANDARD" on its side at an indoor exhibition.
Four children standing in front of a large red truck with advertising for Standard American Heating Oils and American Oil Company, with two adults partially visible on the sides.
Four people standing in front of a vintage red fire truck with the word 'STANDARD' on the side, parked in a parking lot with trees in the background.

Since 1941 E.H. Wolf & Sons has been a family-owned and operated company in the heart of Wisconsin. What began as a small operation in Washington County has grown into a multi-generational business grounded in Midwestern values. From one generation to the next, we've embraced change without losing sight of where we came from.

We are Wolf.

Our True Quality mark
Our Wolf Pack