Steve Mark Goodwin

Salamander (Engineering) Ltd. manufactures and supplies water treatment equipment. The company was founded on December 10, 1980 and is headquartered in Warrington, the United Kingdom.

Part of Pandarmarsh Ltd., Zebramarsh Ltd. functions as an investment holding British company. The company is based in Daresbury, UK. Zebramarsh was founded in 2010.

Sentinel Performance Solutions Ltd. offers water treatment products and services. It offers central heating systems, hot water systems, and renewables. The company was founded in 1988 by Grace Dearborn and is headquartered in Warrington, the United Kingdom.

Part of Aalberts NV, Sentinel Performance Solutions Group Ltd. is a British company that offers water treatment products and services to provide the best lifetime protection for heating and hot water systems. The company is based in Daresbury, UK. Sentinel's range of products includes solutions to prevent cold radiators, limescale, and corrosion. The use of Sentinel water treatment is endorsed by major boiler manufacturers worldwide to protect their products in both domestic and commercial settings. Sentinel Performance Solutions Group was acquired by Aalberts NV on May 01, 2021.