ACTIVATED CARBON TECHNOLOGIES
ALBEMARLE CORP.
ASBURY CARBONS
BASF
BOYCE CARBON
CARBON ACTIVATED CORP.
CARBOTECH
CPL/PURAGEN ACTIVATED CARBONS
EVOQUA WATER TECHNOLOGIES LLC.
HAYCARB PLC.
ILUKA RESOURCES LTD.
INGEVITY
JACOBI CARBONS GROUP
KURARAY CO. LTD.
KUREHA CORP.
NORIT
SILCARBON AKTIVKOHLE GMBH