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Certified Oil: Fast. Friendly. Clean. Convenience Stores - for you!
Food & Beverage
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Quality, Value and Commitment to Excellence
Certified is a company on the move! Certified promises to be your premier destination for quality fuels, fresh snacks and innovative merchandise. Certified is extremely proud of our entrepreneurial history. Founded by Carlyle Baker, in Piqua, Ohio in 1939, Certified remains one of Ohio’s leading operators of convenience stores and retail fueling facilities. Certified operates or supplies over 140 locations in Ohio, Kentucky and West Virginia. We maintain our own proprietary “Certified” fuel brand as well as branding and distributing fuels for Marathon.
For 77 years, Certified has been a community member in cities, towns and villages throughout the Midwest and we are truly appreciative of the support you have given us. Certified looks forward to continuing our service to you.
Certified is committed to treating our customers as our guests by offering everyone a first class shopping experience, providing fast friendly service with a smile, quality fuels, premier products and clean facilities. As one way to thank you for your business we encourage you to take advantage of our free sign up
Certified Rewards Program
to lower your gas prices by earning points on your purchases. Saving you money is our goal at Certified.
Certified truly values our relationships with our customers and always welcome your comments and suggestions. You can e-mail us directly at
We sincerely appreciate your business and encourage you to shop a Certified Convenience Store today!
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