ALON is a fast-growing American gas station chain coming to a neighborhood near you. Featuring gas and diesel from locally sourced crude, refined in Texas, Arkansas, and Louisiana. Support your Duncan community by choosing ALON fuel.

Sunoco at 719 US-81 in Duncan, OK delivers premium fuel choices and reliable value with every visit. Select from regular, mid-grade, and premium Top Tier™ gasoline – formulated for optimal engine performance. Step inside for a quick, convenient, and welcoming shopping experience, with snacks, drinks, and everyday essentials ready when you are.

ALON is a fast-growing American gas station chain coming to a neighborhood near you. Featuring gas and diesel from locally sourced crude, refined in Texas, Arkansas, and Louisiana. Support your Duncan community by choosing ALON fuel.

Sunoco at 908 N HWY 81 in Duncan, OK delivers premium fuel choices and reliable value with every visit. Select from regular, mid-grade, and premium Top Tier™ gasoline – formulated for optimal engine performance. Step inside for a quick, convenient, and welcoming shopping experience, with snacks, drinks, and everyday essentials ready when you are.