| GOLD SUPPLIERS |
| | Industry IDS, Inc. | | Virtual Conferences, Exhibitions, Trade Shows, Buyers Guides and Information Resource Centers |  |  |
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| | Water Supply & Sanitation Collaborative Council | | Collaboration in the Water Supply/Sanitation Sector for Water, Sanitation/Waste Management Services | | |
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| | Micro Drainage Ltd. | | Drainage Engineering Software Developer, Deals with Drainage Software Module, Drainage Design Suite | | |
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| | Burns & McDonnell Engineering | | Specializes in Environmental Services: Remediation, Compliance and Permitting, Aviation, etc. | | |
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| | IRC International Water and Sanitation Centre | | Communication and Information on Water Sanitation, Safe Water Supply, Water Systems and Water Needs | | |
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| | Novatek AB | | Designers of Wastewater Treatment Equipment and Automatic and Chamber Filter Presses | | |
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| | Thermal Process Systems | | Specializes In Processes and Systems for the Production of High Quality Bio Solids | | |
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| | Markland Specialty Engineering Ltd. | | Providers of Sludge Control Equipment such as Sludge Blanket Level Meter and Sludge Level Detectors | | |
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| BRONZE SUPPLIERS |
| | NovaTec Consultants Inc. | | Specializes in Innovative Solutions for Environmental Engineering Problems | | |
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| | PDK Projects, Inc. | | Specializes In Monitoring and Protecting Environmental Quality through Near-Infrared Spectroscopy | | |
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| | ECOR Solutions, Inc. | | Specializes in Environmental Construction, Remediation, Decontamination, Residuals Management Etc | | |
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| | Remtech | | Specializes in Environmental Remediation and General Construction Services | | |
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| OTHER SUPPLIERS |
| | Jne Chemicals | | Solution Providers for Complex Wastewater Issues | | |
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| | Kenox Technology Corporation | | Specialist in Wet Air Oxidation Technology for Wastewater and Sludge Treatment Process | | |
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| | Klotz Associates, Inc. | | Providers of Engineering Solutions | | |
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| | L&T Technologies, Inc. | | Leading Providers of Innovative Water and Wastewater Treatment Processes and Services | | |
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| | Lamp Environmental Industries, Inc. (Lei) | | Providers of Environmental Solutions | | |
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| | Land Resource Recycling Management, Inc | | Providers of Residuals Recycling Services to Publicly Owned Treatment Plants and Industrial Clients | | |
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| | Lefco | | Providers of Environmental Services for the Petrochemical, Steel and Paper Industries | | |
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| | Lemna Technologies, Inc. | | Providers of Innovative Wastewater Treatment Systems for Municipal and Industrial Applications | | |
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| | Les Expertises Environnementales Soconag Inc. | | Provider of Landfill-Gas-To-Energy System Services Which Increases the Municipal and Pulp & Paper Landfill Gas Production | | |
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| | Lifesource Engineering, Inc | | Specialists in Reverse Osmosis Technology and Wastewater Treatment Systems | | |
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| | Limno-Tech, Inc. | | National Leaders in Finding Solutions to Difficult Surface Water, Groundwater, and Sediment Problems | | |
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| | Lissom Earth Sciences | | Specialists in Water Quality Management Services | | |
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| | Lombardo Associates, Inc. | | Specializes in Providing Consulting and Engineering Services in Water and Wastewater Management | | |
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| | Marcor Remediation, Inc. | | Specialists in a Full Range of Environmental Contracting Services | | |
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| | Marlar Engineering Company, Inc. | | Engineering Specialists in Water, Wastewater and Municipal Improvements | | |
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| | Material Resource Recovery | | Providers of Environmentally Responsible Hazardous Waste Treatment and Disposal Solutions | | |
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| | Matrix Environmental | | Specialists in Dredging, Dewatering, Waste Management, Site Remediation and Wastewater Treatment | | |
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| | Maurer-Stutz, Inc. | | Specialists in Water and Wastewater Treatment Plant Design and Storm Water Management | | |
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| | Maxymillian Technologies, Inc. (Mt) | | Environmental Services Firm Specializing in Remedial Construction and Complex Water Management | | |
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| | Mcfadden Engineering | | Specialists in Civil and Environmental Engineering and Consulting | | |
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