ACC
Active Minerals
Alba Aluminiu
Azelis
Brenntag
Burgess Pigment
Cabot
Cary Company
Dar-Tech
Dorfner
Cimbar
Elementis
Gemme
Hoffmann Mineral
IMCD US
KMI
Matexcel
Nagase
New Brook
Nouryon
Ocsial
PPG Silica
R.E. Carroll
Svenska Aerogel
Titanos
Tolsa
Topsen
Univar
Vanderbilt Minerals
Wacker Chemie