Middlesex Water Company primarily delivers vital water and wastewater utility services, structured around two key business units. Its regulated operations are dedicated to the acquisition, treatment, and distribution of water to a broad spectrum of retail and wholesale clients, including residential, commercial, industrial, and fire protection users. This division also oversees regulated wastewater systems in both New Jersey and Delaware. Complementing this, the company's non-regulated segment furnishes contract-based services for the management and maintenance of municipal and private water and wastewater infrastructure within the same states. The firm, established in 1896, maintains its corporate headquarters in Iselin, New Jersey.