3M
AGC INC.
ASTOM CORP.
AXPLORA
BIO-RAD LABORATORIES INC.
CHEMOURS (THE CHEMOURS CO.)
DIOXIDE MATERIALS
DUPONT DE NEMOURS INC.
ECOLECTRO INC.
ECOSOFT BWT
EICHROM TECHNOLOGIES
EVOQUA WATER TECHNOLOGIES LLC
FUJIFILM HOLDINGS CORP.
ION EXCHANGE (INDIA) LTD.
IONOMR INNOVATIONS INC.
JACOBI CARBONS AB
LANXESS AG
MEMBRANES INTERNATIONAL
MITSUBISHI CHEMICAL GROUP CORP.
PUROLITE
RESINTECH INC.
SALTWORKS TECHNOLOGIES INC.
SAMYANG CORP.
SNOWPURE LLC
SOLVAY SA
SUNRESIN NEW MATERIALS CO. LTD.
SUQING GROUP
TAIYUAN LANLANG TECHNOLOGY INDUSTRIAL CORP.
THERMAX LTD.