Enmark, founded as Interstate Stations by Robert Demere in 1963, is part of Savannah-based Colonial Group Inc. The retailer operates c-stores in Georgia, South Carolina and North Carolina. It launched a rebranding initiative in 2015 to better align with its commitment to fresh food and health and has rebranded stores Enmarket.

A newcomer to the Fuels 50, Enmarket offers the Enmarket Business Advantage card to fleet operators. Eligible customers may qualify for a 5-CPG discount for all gallons purchased. Enmarket offers E10 at all locations, as well as ethanol-free E0. The chain also sells the Enmarket Cash Card, which provides up to a 10-CPG discount on gasoline or diesel purchases.

Headquarters:Savannah, Ga.
Station Count:56
Market Efficiency:1.280
Market Share:0.070%
Outlet Share:0.050%
Price Differential:-3.82 CPG