KW Oil

KW Oil


New logo looks awesome in the dark.

KWOil provides convenience stores, petroleum products and distribution services to retail, commercial, industrial, and agricultural customers.

A progressive and growing company providing convenience stores, petroleum products and distribution services to retail, commercial, industrial, and agricultural customers in Northern Illinois and Southern Wisconsin!

Operating as usual


We're proud to offer a new transmission fluid: Mobil Delvac 1 ATF, a full synthetic approved by the Allison TES-295 and TES-468 Specifications. It's designed to meet the demanding requirements of modern heavy-duty automatic transmissions. Learn more:


Understanding why and how to apply industrial lubricants is essential for ensuring the efficiency and longevity of your heavy-duty machinery, and protecting the safety of your workplace. Visit:


ExxonMobil has announced the addition of five new lubricants to the Mobil Centaur Moly & Mobil Centaur XHP™ product lines, which KW Oil is proud to offer! Learn more:


ExxonMobil has announced the retirement of #Mobil EAL Envirosyn H Series #oil in all viscosities, grades, & package sizes. Learn more details about the announcement & the recommended replacement:


KW Oil is a proud supplier of products from Exxon, an American multinational oil & gas icon that provides a variety of products that help shape our world! Explore the Exxon products we offer now:


KW Oil is proud to supply ValvTect Petroleum Products for Northern Illinois & Southern Wisconsin! Learn about their fuel additives that improve engine performance along with fuel quality, economy, and stability:


We now offer the Mobil Delvac 1™ Axle 75W-85 Performance axle oil in bulk & drum, & will be available as a pail packaged product on Aug. 15! It was developed for optimal durability & performance; learn more about features, benefits, product codes & more:


ExxonMobil changed the sourcing & formulation of their Mobiltrans products. Learn what products were reformulated & what modifications were made:


We pride ourselves on offering products that are not only high-quality, but are also developed sustainably. Learn how ExxonMobil is reducing emissions & reaching important goals regarding their environmental impact to not compromise future generations:


ExxonMobil released their best oil lubricant endorsements from the previous quarter! Keep your equipment in peak condition, visit:


KW Performance Lubricants offer a high-quality grade at an affordable cost, providing a tremendous value to our customers! Learn more:


KW Oil is a proud supplier of Oil-Dri products! Oil-Dri provides highly-absorbent products for industrial, automotive & everyday applications. Learn more:


KW Oil is proud to be a supplier of Quaker industrial oils and lubricants! Quaker's high quality products extend machine service life, reduce equipment failures and unscheduled shutdowns, and provide optimal performance in high and low temperatures. Learn more:


KW Oil has been in partnership with Mobil since 1926. We are proud to provide their trusted, high performance oils, lubricants, and related products that help extend engine life. Learn more:


It's National Truck Driver Appreciation Week, which takes on a special significance this year considering the essential role truck drivers have had during the ongoing pandemic. Read our latest blog post about the occasion, and make sure to thank a trucker today!


Have a great Labor Day! KW Oil wishes you, your family & your loved ones a happy & healthy holiday 🇺🇸


As an authorized Des-Case Corporation distributor, we can offer innovative Des-Case lubricant products & services that enhance equipment reliability & increase profitability! Read more:


Did you know that KW Oil is a Top 100 Distributor of Graco Inc. products? We can outfit your business with Graco pumps, fluid dispensing systems & other specialty products to handle your lubricant demands. Learn more:


We are proud to support such a great cause!

We are so grateful to our Friends of NAMI Donors for this year’s Mulligans for Mental Illness! Thank you for your support and helping us provide mental health resources to the community!

Gottman's Automotive Service
KW Oil
Mary Gubbe Lee
Mary Kris Derry
Phillips Automotive Inc.
William Geist
Dr. Jennifer Schultz
John & Carol Taphorn

Want to join in on the fun? You can still sign up!


ExxonMobil's cost-effective Digital Lubrication Management Platform offers real-time insights & recommendations to help you boost productivity & profitability! Learn more:


We're proud to provide computerized Tank Monitoring for bulk liquid storage tanks. Monitor fluid levels across all your sites with real-time data so you never run out! Learn more about this worry-free, cost-effective inventory management solution:


Tomorrow at 10am CT, ExxonMobil Field Engineer Adam McMurtrey explains how to properly interpret actionable data & improve overall equipment efficiency in his webinar titled "The Mobil Serv Approach to Prescriptive Maintenance." Register now:


These are challenging times for many of our customers, both personally & professionally, so we remain focused on helping you solve your evolving needs! To do our part, we’re offering some new resources & enhanced existing resources to help you more confidently navigate today’s challenges:


KW Oil has grown from a small gas & lubricant distributor to become Northern Illinois & Southern Wisconsin’s largest supplier of commercial, agricultural, & industrial fuels & lubricants because of our deeply-rooted values and customer-focus! Learn more:


Mobil Delvac offers the best premium lubricants and products that ensure ultimate performance and durability. Don't miss these limited-time deals on top products! Sale ends June 30th. Visit:


Maximize the lifetime & efficiency of your commercial or agricultural vehicle with our wide selection of oils, transmission fluids, greases, & coolants that are designed for anything from small trucks to large heavy-duty hauls. Visit:


Customers enjoy the outstanding value of our Oil Analysis, Computerized Tank Monitoring, & Consulting Services all over southern Wisconsin & northern Illinois. Learn about all the outstanding benefits, visit:


Oil testing & analysis is critical for the aviation & aerospace industry. Learn how oil analysis helps you save time & money by maintaining ideal engine performance, productivity, & reliability. Then, discover how you can unlock the most value by enhancing your aviation maintenance procedures with oil analysis:


We provide oils & lubricants for industrial, vehicle, marine, & aerospace applications that keep your equipment running smoothly. Which applications are the best fit for you? Visit:


We source the highest-quality products from only the most trusted companies! Discover some of the brands that we love working with:


Don't miss our new Winter Weather SALE! Protect your fleet with our high-quality Anti-Gel De-Icer and D-Thaw fuel additives:

Values and Customer Service: The Kelley Williamson Difference - KW Oil 12/18/2019

Values and Customer Service: The Kelley Williamson Difference - KW Oil

Our strong values have defined KW Oil for almost 100 years, serving as a groundwork for us to deliver exceptional, long-term service to our customers. Learn about our core principles & our commitment to serving as your community solutions provider:

Values and Customer Service: The Kelley Williamson Difference - KW Oil Learn how our values & customer service have helped us grow to become the largest supplier of fuels & lubricants in Northern Illinois & Southern Wisconsin.


Sustainability is the gift that keeps on giving! Learn about the steps we take to make a positive impact & why lubricants play such an important role in environmental responsibility:

How to Prepare your Vehicle for the "Polar Coaster" Winter - KW Oil 11/06/2019

How to Prepare your Vehicle for the "Polar Coaster" Winter - KW Oil

The Farmers' Almanac is calling for a "polar coaster winter" of extreme temperature swings & heavy snowfalls, so follow these steps to prepare your vehicle for the impending weather!

How to Prepare your Vehicle for the "Polar Coaster" Winter - KW Oil Review expert advice to prepare your vehicle for the upcoming polar coaster winter. Learn about oil changes, antifreeze ratios, winter tires, and more.


Supplier for Industrial greases and lubricants for car dealerships, commercial fleets, local aviation industry, industrial and agricultural markets. Top brands include Mobil, Mr. Goodwrench and Chrysler.



3901 Dawes Road
Rockford, IL

Opening Hours

Monday 8am - 4:30pm
Tuesday 8am - 4:30pm
Wednesday 8am - 4:30pm
Thursday 8am - 4:30pm
Friday 8am - 4:30pm

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