• Air Products and Chemicals, USA
  • Akco Nobel, The Netherlands
  • Alcan, Canada
  • Alterna Energy, Canada
  • Aramco, Saudi Arabia
  • Bayer, Canada
  • BTF Industries, Toronto
  • Chevron Research and Engineering, USA
  • ConocoPhillips, USA
  • Dow Chemicals, USA
  • Dupont, Canada
  • Dupont, USA
  • Ecopetrol, Colombia
  • ELF-France
  • ESTAC, Canada
  • ExxonMobil, USA
  • Imperial Oil, Canada
  • Indian Oil
  • Instituto Colombiano del Petroleo
  • Instituto Mexicano del Petroleo
  • Intevep, Venezuela
  • Mobil, USA
  • Neste, Finland
  • Novelis, Canada
  • Plasco Energy, Canada
  • Orinoco Iron, Venezuela
  • Petrobras, Brazil
  • Petronor, Spain
  • REC-SGS, USA
  • Reactech, Canada
  • Sabic, Saudi Arabia
  • Shell, Canada
  • SINTEF, Norway
  • Statotil, Norway
  • Stone and Webster, USA
  • Sumitomo, Japan
  • Syncrude, Canada
  • YPF, Argentina