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AccuStandard, Inc.
USA, Lab Standards
Aderco Chemical Products Inc.
Canada; fuel additives
Alken-Murray Corporation
USA, water treating chemicals
AllChem Industries
USA, water treatment, industrial chemicals
Altivia
USA, water treating chemicals
Apex Engineering Products Corporation
USA, scale removal chemicals
Barnebey & Sutcliffe Corporation
USA; activated carbons; designing, building and installing Emission Control Solvent Recovery Systems
Benetech, Inc.
USA, chemicals for coal storage and burning
BetzDearborn Inc.
USA; refinery chemicals; industrial water treating
Buckman Laboratories
USA, water treating chemicals
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