Mark Irwin

Part of Serco Group Plc, Serco Holdings Ltd. operates as a holding British company through subsidiaries and provides public services. The company is based in Hook, UK and was founded in 2000.

China National BlueStar (Group) Co., Ltd. engages in providing chemical products. It specializes in healthcare, nutritional additives and basic chemicals. The fim's products include materials, health care, nutrition, industrial service, basic chemicals which includes tetrahydrofuran(THF), titanium dioxide, chromic anhydride, adisodium, selisseo, cleaning engineering, electrolyzer, phenol, acetone and water treatment solution. The company was founded by Jian Xin Ren in September 1984 and is headquartered in Beijing, China.

Serco Asia Pacific Pty Ltd. provides management consulting services. Its service areas include facilities, projects and IT systems, and entirely new businesses. The company is headquartered in Sydney, Australia.

Nalco Holding Co. provides water, hygiene and energy technologies and services that protects people and vital resources. The firm also provides integrated water treatment and process improvement services for industrial and institutional applications, using technologically advanced solutions, combining chemical products and equipment, and consistent, reliable on-site service and expertise. The company was founded in November 2004 and is headquartered in Naperville, IL.