Kuraray
BASF
Cabot Norit
Jacobi Carbons
Ingevity Corporation
Dow Corning
Wacker Chemicals
Shin-Etsu
Momentive Performance Materials
Honeywell International Inc?UOP?
Axens
CECA (Arkema)
Zeolyst
Fujian Yuanli Active Carbon
Gelest
ADA-ES
Haycarb
Clariant
CHALCO
Huber
Zeochem AG
Porocel Industries
Grace Davison
Sumimoto
Boyce Carbon