Al Bilad Catalyst Co. Ltd.
Buchen-Ics GMBH
Coalogix Inc.
Cormetech Inc.
Eco-Rigen S.R.L
Eurecat S.A.
Haldor Topsoe A/S
Nippon Ketjen Co. Ltd.
Porocel Industries
Llc
STEAG Energy Services GMBH