BASF SE (Germany)
Eastman Chemical Company (US)
Merck KGaA (Germany)
OXEA GmbH (Germany)
Hanwha Chemical Corporation (South Korea)
Penta Manufacturing Company (US)
Meltem Kimya Tekstil San. ?th. ?hr. Ve Tic. A.? (Turkey)
Shandong Blue Sail Chemical Co. Ltd (China)
Hallstar (US)
NAN YA PLASTICS CORPORATION (Taiwan)
and Grupa Azoty (Poland)