International Paper        INEOS NOVA        Magnox North        

Magnox South        BASF plc        Lotus Enerji        St Pauls Developments        

Saint-Gobain Pipelines        Oxiris Chemicals        GrowHow UK Limited        Artenius UK        

Sellafield Limited        GlaxoSmithKline        Centrica HRL        Huntsman Tioxide        Shell UK Limited        

Alcoa EMP        Smurfit Kappa        Nova Innovene        

RKTK        Rhom and Haas (UK) Limited        Veolia Environmental Services Limited        Ciba Speciality Chemicals plc        

Elementis Chromium        Lubrizol        Sanofi Aventis        Koppers UK Limited        

Millennium Chemicals        ADVANSA        BP        Terra Nitrogen        

Walsall Housing Group        British Energy Generation        Dupont Teijin Films        

South East England Development Agency        British Nuclear Group        Kodak        Albion Inorganic Chemicals        Barratt West Midlands        

Space Housing Association        Federal Mogal        Onyx Group        British Nuclear Fuels plc        

Huntsman Petrochemicals        Aventis Pharma        Unocal        AMEC Process & Energy        

Great Marsh Chemicals        Novartis        Lucite International        

Air Products plc        Conocophillips Petroleum Company        Croda International plc        

Brunner Mond plc        Basell Polyolefins        London Borough of Hammersmith & Fulham        Willian Sutton Housing Association Ltd        

Blackburn with Darwen Borough Council        London Borough of Lambeth        Johnson Matthey        

Bayer CropScience        British Paper Board        Siemens Power Generation        Dudley Metropolitan Borough Council        Resinous Chemicals plc        

Eastman Chemicals UK        Great Lakes Chemical Corporation        Preston City Council        

TotalFinaElf        St. Regis Paper Company        Smith & Nephew Ltd.        

Scottish Power        Schenectady Europe Limited        Natural History Museum        Powergen        

Merck Limited        ICI Engineering        FKI plc        Glaxo Wellcome        Dundee City Council        Carnaud Metalbox PLC        

British Sugar Corporation        BOC Gases Ltd        
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