Artesian Resources Corporation is a Delaware holding company that operates regulated public utility and non-utility subsidiaries providing water and wastewater services across Delaware, Maryland, and Pennsylvania. The company's principal subsidiary, Artesian Water Company, is the oldest and largest investor-owned water utility on the Delmarva Peninsula, distributing water to residential, commercial, industrial, and municipal customers while also offering wastewater collection and treatment through subsidiaries Artesian Wastewater and TESI. Revenue is generated through metered water sales under state-regulated rate structures, seasonal demand patterns, and supplementary services including fire protection, contract operations, and service line protection plans, with the company holding exclusive certificates of public convenience for approximately 312 square miles of water service territory and 61 square miles of wastewater territory in Delaware.