ALTANA AG

ASAHI KASEI CORPORATION

AVANZARE INNOVACION TECNOLOGICA SL

Ashland Specialty Ingredients

BASF SE

Baser

Birla Carbon

Borealis AG

CANCARB LTD

Campine

DOW INC

ELASTRON KIMYA A.S.

EMERY OLEOCHEMICALS

ESTI CHEM A/S

Eastman

Evonik

FERRO CORP.

Geotech

Huntsman

ICL