AKRO-PLASTIC

ALTANA AG

ASAHI KASEI CORPORATION

AVANZARE INNOVACION TECNOLOGICA SL

BERRY GLOBAL INC.

Birla Carbon

Borealis AG

DOW INC

DYNASOL ELASTOMEROS S.A.

ELASTRON KIMYA A.S.

EMERY OLEOCHEMICALS

ESTI CHEM A/S

Eastman

Evonik

HENKEL TECHNOLOGIES

Hubron

ICL

Imerys

LG CHEM LTD

ORBIA ADVANCE CORPORATION S.A.B. DE C.V.