Aceto Corporation
Advantage Controls, Inc.
Aerobiology Laboratory Associates
Albemarle Corporation
Amchem Solutions
Amiad Water Systems (Arkal/Filtomat/PEP/Amiad)
AMSA, Inc.
Anhui Trust Chemical Co., Ltd.
APTech Group, Inc.
AquaPhoenix Scientific Inc.
Aquionics
Atlantic Ultraviolet Corporation
BASF Corporation
Bio-Source, Inc.
Biosan Laboratories, Inc.
Brenntag North America
Buckman
BWA Water Additives
Carlon Meter, Inc.
CDG Environmental, LLC
Chemstorm Co., LTD
Chemtrac, Inc.
Chemtrol
Compass Chemical International LLC
Connect Chemicals USA LLC
Cortec Corporation
Datadrop LLC
Dow Microbial Control
Droycon Bioconcepts Inc.
Eddington Industries, LLC
EMEC
EMSL Analytical Inc.
Enviro Tech Chemical Services, Inc.
Environmental Safety Technologies, Inc.
French Creek Software, Inc.
GE Water & Process Technologies
Genesys North America
GEO Specialty Chemicals
Griswold Water Systems
Group Transportation Services
Grundfos
Gulbrandsen Technologies
H2trOnics
Hangzhou Yinhu Chemical Co. Ltd
Hanna Instruments
Henan Qingshuiyuan Technology Co., Ltd.
Heyl Brothers North America L.P.
HG Waterchem Company
Houghton Chemical Corporation
Hydro Systems Company
Hygiena
Interstate Chemical Co., Inc.
J.L. Wingert Co.
Jianghai Environmental Protection Co., Ltd.
Jiangsu Hengfong Fine Chemical Co. Ltd.
Justeq LLC
Kemira

Lakewood Instruments LLC
LexChem Solutions, LLC
LGA Chemical Solutions Inc.
LMI
The Lubrizol Corporation
LuminUltra Technologies Ltd.
MAR Systems, Inc.
Marlo, Inc.
Masters Company, Inc.
McGowan Insurance Group
Metal Samples Co.
Microbial Discovery Group
Mid South Chemical Company, Inc.
MIOX Corporation
Modern Water Inc.
MVTL Laboratories, Inc.
Myron L Company
Nantong Kanghua Chemical Co., Ltd
NeoLogic Solutions -- Filtration Division
Neptune Chemical Pump Co.
Peabody Engineering & Supply, Inc.
ProMinent Fluid Controls, Inc.
Pulsafeeder, Inc.
Pumps and Controls
QualiChem, Inc.
Quantrol, Inc.
Radical Polymers
ResinTech, Inc.
Sanipur US LLC
Sea-Land Chemical Co.
Shandong IRO Water Treatment Co., Ltd.
Shandong Taihe Water Treatment Co., Ltd.
Silver Bullet Water Treatment Company
SNF, Inc.
Solid State Technologies, LLC
Special Pathogens Laboratory
Spectra Colors Corporation
Sper Scientific
Stenner Pump Company
Taylor Technologies, Inc.
TGWT Clean Technologies Inc.
Third Coast Chemicals
Tiarco Chemical
Tintometer Inc.
Turner Designs
Uniphos, Inc.
USABlueBook
Vector Industries, Inc.
Walchem, IWAKI America Inc.
Water Quality Association
Water Science Technologies
WaterColor Management
West Agro Executive Brands
Wincom, Inc.
Yangzhou Chemical I/E Co. Ltd
Zibo Nafluorochem Co. Ltd