Photronix

Founded in 1932, Barclay Water Management is one of the oldest and largest employee-owned water treatment organizations in North America. The organization manufactures a range of specialty treatment items for controlling water chemistry in heating, cooling and power generating systems. Its manufacturing and research facilities have received an ISO 9001 certification from the International Organization for Standardization. Barclay Water Management s clients include high-tech manufacturing plants, co-generation and correctional facilities, colleges and universities, hospitals and medical centers, military bases and commercial office buildings. The company s products are used in boilers, chillers, cooling towers, process heat exchangers and piping systems. Barclay Water Management offers laboratory analysis services for water and deposit samples.

Siemens Water Technologies provides water and wastewater treatment equipment and services. It provides services to a wide range of clients, including residential, commercial, food and beverage, municipal and government, institutional and industrial customers worldwide. The company offers various services, such as chemical manufacturing and purification, corrosion and biofueling protection, lab water purification and metal treatment. It also offers a variety of other services that include process water treatment, sludge dewatering and processing, and odor and vapor control. The company operates various manufacturing and sales offices in Australia, Canada, Germany, Mexico, the United Kingdom and the United States. Siemens Water Technologies is located in Union, N.J.

Pure 1 was started in 1987 to solve the problems of replaceable-bottle water coolers. The company developed a self-filling bottle that uses municipal water and filtration to eliminate the problem of water delivery, storage and heavy lifting common to conventional water cooler systems. Pure 1 dealers rent the coolers for a flat monthly fee, maintain it and change the filters. The company has more than 60,000 residential and commercial customers and is located in Lawrence, Mass.