Headquartered in La Plata, Maryland, The Wills Group has nearly 300 retail locations across the Mid-Atlantic region, includin ... g Dash In, Splash In ECO Car Wash, and SMO Motor Fuels. A family-owned company since 1926 with expertise in convenience retailing, fuels marketing, and commercial real estate, The Wills Group prides itself on keeping customers', employees' and communities’ Lives in Motion. For more information about The Wills Group, visit willsgroup.com. read more