Borealis AG (Austria)
INEOS (Switzerland)
Versalis S.p.A (Eni S.p.A) (Italy)
Asahi Kasei Corporation (Japan)
Covestro AG (Germany)
SO.F.TER S.r.l (Italy)
3M (U.S.)
Lanxess AG (Germany)
DowDuPont (U.S.)
and BASF SE (Germany)
among others