Kelley Williamson Company
3901 Dawes Road , Rockford, Illinois, United States

Kelley Williamson Company was established in 1926 by entrepreneurs Walter Williamson and his partner, Nate Kelley.  Although originally intended to sell gasoline and lubricants through small owner-operated service stations, our company has grown vastly over the past decades! We now own and operate nearly 50 Kelley’s Market convenience stores throughout northern Illinois and Southern Wisconsin and provide Mobil fuels to numerous other independently owned locations.  Our Oil and Lubricants division, KWOil has worked hard to become the area’s largest supplier of commercial, industrial and agricultural lubricants and fuels, representing products from Mobil, Shell, and other industry leaders.  We are committed to delivering all of our quality products as conveniently and expeditiously as possible. Welcome to our website. We hope you find it informative and helpful as it is our continuous goal to exceed our customer’s expectations, today, tomorrow and always.

Services

As Northern Illinois and Southern Wisconsin’s largest supplier of lubricants, motor oils, fuels and related products, Kelley Williamson services hundreds of car dealerships, many commercial fleets, the local aviation industry, the industrial and the agricultural markets.  We hope you find it informative and helpful as it is our continuous goal to exceed our customer’s expectations, today, tomorrow and always.

KWOil

As Northern Illinois and Southern Wisconsin’s largest supplier of lubricants, motor oils, fuels and related products, KWOil, A Kelley Williamson Company, services hundreds of car dealerships, many commercial fleets, the local aviation industry along with the industrial and agricultural markets.

Mobil Fuels

Kelley’s Markets by Kelley Williamson Mobil proudly offers superior Mobil gasoline (Super, Special and Regular Octane) at all of our locations. Many stations also sell the highest quality Diesel & soy based bio fuels from BQ9000 certified producers! Additionally, our South Main St. and Wheeler Road locations have recently entered the cutting edge CNG (Compressed Natural Gas) market and several of our locations also now carry Blue Def, diesel exhaust fluid!

Industrial Applications

Extend and enhance the lifetime and reliability of your equipment with KW Oil industrial lubricants. Designed to protect against tough environments and usage conditions, our industrial applications reduce downtime and leaks and spills, ultimately help to making your equipment more productive, efficient, and profitable. Shop industrial applications with KW Oil today.

Products

As Northern Illinois and Southern Wisconsin’s largest supplier of lubricants, motor oils, fuels and related products, Kelley Williamson services hundreds of car dealerships, many commercial fleets, the local aviation industry, the industrial and the agricultural markets.