A2Z Maintenance & Engineering Services Ltd

ACTEW Corporation

AECOM

AGBAR

Alberici Constructors

Alinda Capital Partners LLC

American Cast Iron Pipe Co.

American Membrane Technology Association (AMTA)

American Rivers

American Water

Angeleno Group

Aqua Capital Management LP

Aqua Chem Inc.

ARCADIS US Inc.

Arch Chemicals Inc.

Arnold Development

Arup & Partners California

Atlanta Regional

Atlantis Technologies

Baker Donelson

Bechtel

Befesa Waterbuild Inc.

Benjamin Media Inc.

Black & Veatch

Bloomberg New Energy Finance

Blue Earth Labs LLC

BMO Capital Markets GKST Inc.

Bowen Engineering Corporation

BP America Inc.

Brasfield & Gorrie, Gen'l Contractor LLC

Brownstein Hyatt Farber Schreck

Buchanan and Sperling, P. C.

Cadagua SA

Calgon Carbon Corporation

Cardno ENTRIX

CH2M Hill

Citizens Energy Group

City of Atlanta Department of Watershed Management

City of Central Falls

City of Houston, Department of Public Works

Clean Water America Alliance

CoBank

Council of Great Lakes Governors

Credit Suisse

CST Covers

CST Storage

Department of Agricultural and Applied Economics

Doosan Hydro Technology Inc.

Dow Water & Process Solutions

Edwards Wildman Palmer LLP

El Paso Water Utilities

Emerald Technology Ventures AG

Environmental Operating Solutions Inc.

Filterboxx Water & Environmental Corp

Fontana Village Resort

Food & Water Watch

Ford Meter Box Co, Inc.

Foz do Brasil SA

Fru-Con Construction Corporation LLC

FYFE Company, LLC

GA Environmental Finance Authority

Galardi Rothstein Group

Garney Construction

GE Intelligent Platforms

GEI Consultants

Genencor, a Division of Danisco

Geneve Capital Group

Georgia Department of Natural Resources

Georgia Environmental Finance Authority

Georgia Environmental Protection Division

GHD

Global H2O Investments

Global Water

Global Water Resources

Grundfos Pumps Corporation USA

Hach Company

Hadleigh Marketing Services Ltd

HDR Engineering Inc.

Headworks Bio Inc.

Heckmann Corporation

Herschell Environmental

HydroLogex

I Kruger Inc.

IBM

IDEX Corporation

Infratec Consultants, Inc.

ING Capital LLC

Insituform Technologies Inc.

International Private Water Association

Jefferson County

Kellogg Brown & Root Inc.

Kiewit Corporation

Kiewit Western

Kirloskar Brothers - SPP Pumps Inc.

KISSS America

Koch Membrane Systems

Kokosing Construction Co Inc.

Layne Christensen Company

Lazard LLC

Liberation Capital

Los Angeles Bureau of Sanitation

Louisville Water Company

M3 Capital Partners

Malcolm Pirnie/Arcadis

Manning & Napier Advisors Inc.

MAR Systems Inc.

McKim and Creed

McKinsey & Company

Meredith Whitney Advisory Group

MetalMark Capital

Miller Drilling Company

Milwaukee Metropolitan Sewerage District

Milwaukee Water Council

M-I-Swaco

Mirel Bioplastics by Telles

MIOX Corporation

Mitsui & Co

Mueller Water Products

Mustang Engineering

Nano H2O Inc.

National Association of Water Companies

Natural Resources USA Corporation

NEFCO Inc.

Nelson Irrigation

Neptune Technology Group

New Mexico Finance Authority

NGP Global Adaptation Partners

NLM Capital Partners

Northwest Pipe Company

NRDC

Office of the Assistant Secretary of the US Army

NWQ Investment Management Company

Olin Chlor-Alkali Products

Olin Corporation

Orenco Systems Inc.

Parsons Water & Infrastructure

Pentair Inc.

Perc Water Corporation

Philadelphia Mixing Solutions Ltd

Phoenix Contact

Praxair

ProMinent Fluid Controls Inc.

Rayonier Inc.

Responsible Profit Alliance

Reynolds Inc.

San Diego County Water Authority

Scully Capital Securities Corp

Seabird Capital Management Company

Secure Waters LLC

Seven Seas Water Corporation

Severn Trent Services

Siemens Water Technologies R&D

Solvay Advanced Polymers, LLC

Sony Chemicals Corporation of America

Standard & Poor's Equity Group

Stein & Brockmann, P.A.

Stonewillow Corp

Summit Global Management Inc.

Svanda & Coy Consulting

TaKaDu Ltd

TechKNOWLEDGEy Strategic Group

Texas Water Development Board

The Campbell Group

The Coca Cola Company

The Council of Great Lakes Governors

The Meredith Whitney Advisory Group

The Water Initiative

Tocqueville

Tocqueville Asset Management LP

Town of Fontana Dam, North Carolina

Tradewinds Global Investors

True North Venture Partners

Tudor, Pickering, Holt & Co

United Water Inc.

US Bureau of Reclamation

US Environmental Protection Agency

US Peroxide, LLC

USG

Veolia Water North America LLC

Veolia Water Solutions & Technologies North America

Vertical Spirit LLC

Water Futures, Inc.

Water Standard Management US Inc.

Waterlogic USA

WaterRev, LLC

WaterSmart Software

Wedbush Securities Inc.

Weidmuller North America

Wells Fargo Family Wealth

Wells Fargo Securities

Westin Engineering, Inc.

Wood Creek Capital Management

XPV Capital Corporation

Xylem

Yellowstone Capital