-Association of Plastics Manufacturers - Plastics Europe
       -Basic Chemicals Industries Association of Huelva (AIQB)
       -Catalan Chemical Industry and Trade Federation (Fedequim)
       -Chemical and Plastics Industries Federation of Aragon (FEQPA)
       -Chemical Industry Association of Tarragona (AEQT)
       -Chlorine Chemistry Council (USA)
       -Euro Chlor
       -European Chemical Industry Council
       -European Chlorinated Solvents Association (ECSA) -Apartado Solvents-
       -European Council for Plasticisers and Intermemdiates (ECPI)
       -European Council of Vinyl Manufacturers (ECVM)
       -European Stabilisers Producers Association (ESPA)
       -Inorganic Feed Phosphates ( Cefic Group)
       -International Forum on Chemical Safety (IFCS)
       -International Methanol Producers and Consumers Association (IMPCA)  
       -International Pharmaceutical Federation
       -Plastics Pipes
       -Spanish Chemical Industries Federation (Feique)
       -Spanish Chlorine Producers Association (ANE)
       -Spanish Plastics Industries Federation (ANAIP)
       -Swimming Pool Manufacturers and Builders Association
      

       -Barcelona Stock Exchange
       -International Institute for Sustainable Development
       -Madrid Stock Exchange
       -Spanish Securities and Investments Board (CNMV)
       -U.S. Food and Drug Administration (FDA)

       -Chemical Week Online
       -Chemicals News and Intelligence
       -Chemistry & Industry Magazine
       -ChemScope Daily News Magazine
       -Ingeniería Química
       -Proyectos Químicos
       -Química e Industria