Our History

Quality State Oil Company is a full-line petroleum distributor. From residential to commercial Quality State does it all. With its roots in the 1950's home-heating oil business, to today’s modern convenience store and transport, Quality State will service every petroleum need.

Quality State Oil’s roots date back 60 years. Its modest beginnings included one truck and one man delivering fuel oil to residential and commercial customers. This personalized service and attention to detail has ensured the company’s growth. In 1988 the company was purchased from the original owner. The new owner group included long time company employees, which ensured the continued strong relationship between Quality State Oil and its customers.

Today Quality State Oil is a preferred branded distributor for BP, CITGO EXXON and MOBIL fuel brands. These strong partnerships guarantee supply of premium fuel products for years to come. Through QSO's branded fuel partners there exists a channel to petroleum exploration, refining, and distribution. These relationships guarantee Quality State Oil's customers reliable supply of quality fuel prices at competitive prices for years to come.

To best serve its large customer base, Quality State Oil operates 4 major divisions; Tank Wagon, Lubricants, Transports, and Dealers. The Tank Wagon division serves heating needs of residential customers, and fuel needs for commercial customers. The Lubricant Division sells Mobil and other brand name lubes to many regional industrial customers. The Transport Division operates a fleet of fuel transports serving independent operated convenience stores, as well as many commercial customers and municipalities.

The Dealer Division serves 50+ independently operated convenience stores.   The services offered by the Dealer Division includes supplying a branded fuel program and convenience store operational assistance. Quality State Oil understands what is needed to build, develop, and operate a convenience store. This knowledge is available to all retail customers to help them become as successful as possible.

Everyone at Quality State Oil looks forward to serving you the customer. They all firmly believe, “Your success means our success”.

Contact Us

It is very easy to get in touch with us. Call us at one of our following locations:

Sheboygan 1-800-236-5640

Cedarburg 1-262-377-2920

Sturgeon Bay 1-920-743-4711 

or write to us using the Contact Form.

Quality State Oil/CITGO Golf Outing to benefit Muscular Dystrophy raises nearly $30,000.

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