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Suez S.A. has operations primarily in water, electricity and natural gas supply, and waste management. The company conducted a merger of equals with fellow utility company Gaz de France on 22 July 2008 to form GDF Suez (called Engie since 2015). The water and waste assets of Suez were spun off into a separate publicly traded company, Suez Environnement.

Now part of Engie

  • Suez Energy International – energy
  • Electrabel – electricity in Europe (first in Belgium)
  • Tractebel Engineering – international engineering consultancy
  • Cofely (in French) – building services/facilities management

Now part of SUEZ

  • Sita — waste management
  • Suez Environment — water and waste
  • Degrémont — Water & WasteWater treatment engineering
  • United Water — water in the United States, also Adelaide, Australia
  • Grupo Agbar — water and waste
  • Purite Ltd - water purification company
  • GE Water and Process Technologies
  • Driplex Water Engineering Pvt. Ltd.
  • Driplex Water Engineering International Pvt.Ltd
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