Wawa and Sheetz team up to take the ‘plunge’ together Stephanie Farr, The Philadelphia Inquirer Wawa fans stand ready at a moment’s notice to arm themselves with hoagie rolls and defend their beloved convenience store chain against attacks from marauding Sheetz fans, but on Wednesday the leaders of both chains announced that they’re working in partnership towards a common goal. Is nothing sacred anymore? “Wawa & Sheetz Take the ‘Plunge’ Together!” the Sizzli email subject line said, leaving the reader to wonder if the chains behind one of the most bizarre rivalries in the state were eloping, merging, or announcing their entry into politics.