Alamanda Polymers Inc.
ARKEMA FRANCE S.A.
ASHLAND GLOBAL HOLDING INC.
BASF SE
BASTECH. LLC
BEIJING HENGJU CHEMICAL GROUP CORP.
China National Petroleum Corp.
COLORCON INC.
DRILLING SPECIALTY CO. LLC
E. I. DU PONT DE NEMOURS AND CO.
GAC CHEMICAL CORP.
GANTRADE CORP.
KEMIRA OYJ
KURARAY GROUP
LG CHEM LTD.
NIPPON SHOKUBAI CO. LTD.
NITTA GELATIN INC.
Noltex LLC
RANTEC CORP.
SAUDI ARABIA BASIC INDUSTRIES CORP. (SABIC)
SNF S.A.S.
SUMITOMO SEIKA CHEMICALS CO. LTD.
THE DOW CHEMICAL CO.