| GOLD SUPPLIERS |
| | Insituform Technologies, Inc. | | Construction and Rehabilitation of Water Pipes, Sewer Pipes, Municipal Pipes and Water Mains |  |  |
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| | VWS MPP Systems BV | | Specializes in Developing, Marketing, Manufacturing and Servicing Water Purification Systems |  |  |
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| | FMC Foret, S.A. | | Industrial Chemicals for Detergency, Textile, Tanning, Humid Oxidation and Sewage Water Treatment |  |  |
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| | International Desalination Association | | Promoting the Appropriate Use of Desalination Technology Worldwide through Research and Development |  |  |
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| | Industry IDS Inc. | | Virtual Conferences, Exhibitions, Trade Shows, Buyers Guides and Information Resource Centers |  |  |
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| | Orival Inc. | | Manufacturers of a Range Self-Cleaning Water Filters, Automatic Water Filters and Strainers |  |  |
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| | Black & Veatch | | Specializes In Consultancy, Design & Procurement in the Areas of Water, Environment and Information |  |  |
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| SILVER SUPPLIERS |
| | PuriTech | | Ion Exchange Technology for Industrial and Commercial Water Treatment |  | |
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| | Sonitec, Inc. | | Manufacturers of Filtration Systems and Membrane Separation Systems |  | |
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| BRONZE SUPPLIERS |
| | Halma Water Management | | Manufacturers of Water Flow and Pressure, Leak Detection and Pressure Control Devices | | |
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| OTHER SUPPLIERS |
| | Norwegian Institute of Public Health | | Public Health Institute | | |
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| | Norwegian Pollution Control Authority | | Specializes Pollution Control | | |
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| | NSG Environmental Ltd. | | Specializes in Water Services | | |
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| | Ökopol - Institute for Environmental Strategies | | Specializes in the Fields of Chemistry, Physics, Biology, Law, Economics and Engineering Sciences | | |
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| | OlpiDürr SpA | | Specializes in Engineers Systems for Painting, Industrial Cleaning, and Air Abatement | | |
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| | OPEC | | Specializes in Oil Pollution Environmental Control | | |
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| | P.C.S. Pollution Control Service GmbH | | Specializes in Providing Pollution Control Services | | |
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| | Panta Rei Water | | Designs, Builds, and Maintains Urban and Industrial Wastewater Treatment Plants | | |
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| | Petromontan Chemische Produkte für Umwelttechnik Ges.m.b.H. | | Specializes in Environmental Technology | | |
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| | Phragmites SL | | Environmental Engineering and Consulting Company | | |
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| | PIE International | | Specializes in Environmental Technology and Services | | |
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| | Pollution Control (UK) Ltd. | | Specializes in Protecting Environment | | |
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| | Power & Water Systems Consultants Ltd. | | Consulting and Research Services in the Fields of Power and Water Resource Development | | |
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| | Precolor Sales Ltd. | | Specializes in Water and Chemical GRP Storage Tanks and Housings | | |
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| | Premier Pump & Tank Co.Ltd. | | Specializes in Fuel Management, Fuel Tanks and Fuel Pumps | | |
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| | Preseco Oy | | Specialises in the Development and Marketing of Comprehensive Environmental Solutions | | |
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| | Pridesa Proyectos e Instalaciones De Desalacion, S.A. | | Specializes in Water and Wastewater Treatment and Reverse Osmosis Desalination | | |
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| | Processium | | Solutions for Oil Refining, Chemical and Pharmaceutical Industries in Process Design and Development | | |
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| | PSSP Group | | Specializes in Cooling Tower Technology | | |
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| | Puriflo | | Specializes in Plants to Deal with Industrial Effluent Problems & Sewage Discharges | | |
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