Giant Oil Inc. is a petroleum marketer spanning both the convenience retail and dealer fuel supply business. Giant operates and franchises its proprietary convenience store brand, On The Fly, a driving force in the convenience store space. Giant has been in the industry since 1995, with stores across Florida, Indiana, Ohio, and Kentucky. Giant partners with industry leaders, including BP, Chevron, ExxonMobil, Sunoco, Texaco, Amoco, and Marathon.