Dow Chemical Company
DuPont
Röhm GmbH (Darmstadt)
Arkema
BASF
Lanxess
Celanese
Hoechst AG
Union Carbide
AkzoNobel
Evonik Industries
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PPG Industries
Merck Group
Company
rohmhaas.com
Rohm and Haas Company is a US manufacturer of specialty chemicals for end use markets such as building and construction, electronic devices, packaging, household and personal care products. Wikipedia