Simon Thomas Humphrey

Biwater Holdings Ltd. provides water and wastewater treatment services. Its services include wastewater treatment, membrane technology, water asset management, and package plants & products. It has locations in Algeria, Sudan, and the United States. Biwater was founded in 1968 and is located in Dorking, the United Kingdom.

Laing O'Rourke Plc provides engineering and construction services. It designs, engineers, constructs, manages, and invests in building and infrastructure capital assets across a range of sectors. It operates an integrated business model comprising engineering, construction, and asset management services delivering single source solutions for public and private organizations. The company was founded by Raymond G. O’Rourke and Des O'Rourke in 2001 and is headquartered in Dartford, the United Kingdom.

Part of Kennedy Valve Ltd., Sembcorp Utilities Services Ltd. is a British company that supplies drinking water and operates wastewater treatment plants. The company is based in Middlesbrough, UK and was founded in 1999.

Modern Water Plc operates as a holding company, which engages in the development, production, and supply of technologies for the production of fresh water and treatment and disposal of waste water. It operates through the Membrane and Monitoring segments. The Membrane segment offers water treatment solutions. The Monitoring segment produces across the toxicity, trace metal, and environmental ranges. The company was founded on October 11, 2006 and is headquartered in London, the United Kingdom.

Glen Water Ltd. provides remediation and waste management services. The private company is based in London, UK.

Modern Water Monitoring Ltd. designs, develops, and sells environmental and process technology monitoring products. The industries it serves are municipal water, oil and gas, food and beverage, academics, environmental remediation, pharmaceutical and mining. The company was founded on September 18, 2008 and is headquartered in Cambridge, the United Kingdom.