With a market capitalization (market cap) of $1.11B — a measure of how much the company is worth — Middlesex Water Company is the 2523rd most valuable company in Utilities as of August 18, 2026. Shares trade at $58.82, up +1.37% on the day.
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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.
Visit websiteAs of August 18, 2026, Middlesex Water Company (MSEX) is worth $1.11B — this is its market capitalization, the total value of all its outstanding shares.
Middlesex Water Company’s market cap is $1.11B, which ranks it #2523 among the most valuable companies in the Utilities sector tracked on MarketCapLens.
Middlesex Water Company (MSEX) shares trade at $58.82, up 1.37% on the day, as of August 18, 2026.
Fundamentals are annual. Figures labeled with their fiscal year.
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Middlesex Water Company trades at a price-to-earnings (P/E) ratio of 24.9, based on its latest share price and annual earnings per share.