5 Biggest Water Treatment Companies in the World

In this article we are going to list the 5 biggest water treatment companies in the world. For a detailed coverage of this topic and a more comprehensive list please take a look at the 15 biggest water treatment companies in the world.

5. Kurita Water Industries

Kurita Water Industries is based in Japan and was founded in late 1949. The company has an impressive profile of 14 subsidiaries and affiliates. Their portfolio of services include ultrapure water production systems, water treatment systems, wastewater treatment systems, and waste water reclamation systems. It started off as just a boiler water treatment company but expanded into the water treatment facility business in 1951 and established its first Research & Development center. In 1961, it became listed on the Tokyo Stock Exchange and the Osaka Securities Exchange.

4. Nalco Water

Nalco Water is the Daughter Company of Ecolab (NYSE: ECL). It is based in Illinois and is a supplier of water, energy and air improvement solutions and services for the industrial and the institutional markets. Founded in 1928, Nalco Water is headquartered in Naperville, Illinois, United States. It was formed from the merger of Chicago Chemical Company and the Aluminum Sales Corporation and was originally named the National Aluminate Corporation. Ecolab acquired it in the December of 2011. It serves approximately 70,000 customers over 130 countries.

3. American Water Works Co.

Founded in 1886, American Water Works (NYSE: AWK) is a public utility company with its operations in the United States and Canada. It changed its name from American Water Works and Guarantee Company to American Water Works and Electric Company. It has its headquarters in Camden, New Jersey, USA. Its services include water line protection, sewer line protection, in home emergency program, electric line protection and water heater protection amongst others. The AWWC operates in 16 states and serves approximately 1600 communities.

2. GE Water and Process Technologies

For our runner up we have GE Water and Process Technologies. Headquartered in Feasterville-Trevose, Pennsylvania, United States, the company has been acquired by the French company SUEZ. It provides services to industrial and municipal clients. They also tackle water related issues for energy and environment.

1. Thames Water Utilities

Thames Water Utilities is our top company for our list of 15 biggest water treatment companies in the world.  It mainly serves as the primary water supplier and the waste water treatment facility in the major parts of England. It was founded in 1989 as a private utility company. It is owned by Kemble Water Holdings Ltd. Thames Water Utilities supply approximately 2.6 gig liters of water per day. They mainly offer drinking water systems, recycled wastewater systems and bio-solid fertilizing systems.