• A 55 Inc
• Flexible Solutions International Inc.
• Hercules Trust I
• Scot Inc
• Hercules Trust II
• Natural Solutions Corp
• National Sorbents Inc
• HighCom Global Security, Inc.
• Nature Treat Inc
• O2diesel Corp
• Enerteck Corp.
• Megola, Inc.
• ShengdaTech, Inc.
• Compass Minerals Group Inc
• Ada-Es Inc
• Nalco American Holding, Inc.
• Nalco Industrial Outsourcing CO
• Paper Chemicals, Inc.
• Nalco CO LLC
• Nalco Holdings LLC
• Nalco CO
• Nalco Delaware CO
• Nalco Energy Services Equatorial Guinea LLC
• Nalco Energy Services Holdings LLC
• Nalco Energy Services, Inc.
• Nalco Energy Services, L.P.
• Nalco Energy Services Middle East Holdings, Inc.
• Nalco FT, Inc.
• Nalco Global Holdings LLC
• ONES West Africa LLC
• Visco Products CO
• Pure-Chem Products Company, Inc.
• Nalco International Holdings LLC
• Nalco Leasing CORP
• Nalco PWS, Inc.
• Nalco Resources Investment CO
• Nalco TWO, Inc.
• Nalco U.S. Holdings LLC
• Nalco Worldwide Holdings LLC
• Nalgreen, Inc.
• Naltech, Inc.
• Board Chemistry INC
• ADX Corp.
• Calgon CORP
• Polypore International, Inc.
• Daramic, LLC
• Celgard, LLC
• Daramic International, Inc.
• Nalco Finance Holdings LLC
• Nalco Finance Holdings Inc.

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