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| Infilco Degremont Manufacturer of water and wastewater treatment equipment, including clarification and filtration products, for industrial and municipal use. |   |
| Pan American Environmental Designers and manufacturers of industrial wastewater treatment equipment and systems, including oil water separators, oil grease interceptors and inclined plate clarifiers. |   | |
| Beckart Environmental Manufacturer of on-site industrial wastewater pretreatment equipment for industry use, including food processing, ink manufacturing and packaging industries. |   | |
| ATR Corporation Producer of specialty chemicals and manufacturer of treatment and production equipment for water and wastewater treatment as well as metal fabrication and finishing industries. |   | |
| Safe Algae Treatment Prod for large ponds, Golf, lakes & irrigation Buy Here Industry, Agri |   | |
| A L Rick Press Company Manufacturer of dewatering equipment including belt filter presses, rotating sludge thickeners and polyfeeders. |   | |
| Brentwood Industries Manufacturer of plastic products to the water and wastewater treatment industry. |   | |
| GL&V: Clarifiers / Screens Supplies liquid/solid separation technologies used in many industrial, and environmental processes, municipal and ore processing. |   | |
| Integrated Engineers: Clarifiers / Screens Provides consulting, and chemicals for municipal and industrial wastewater use, equipment and customized equipment. |   | |
| Or-Tec Manufacturer of equipment used in the wastewater treatment industry. |   | |
| Plastic Fabrication Services Fabricator of plastic tank products for industrial and government use, including wastewater, chemical and polyethylene tanks. |   | |
| North American Aqua Distributor of filtration systems, including household point-of-entry systems, clarifiers and oil/water separators. |   | |
| Tropodyne Specialist in the water and wastewater clarifier equipment industry. |   | |
| USFilter: Clarifiers / Screens A leader in clarifier systems, and services for wastewater treatment for industrial, rebuilds and municipal customers. |   | |
| Neel Water Treatment Systems Provider of water and effluent treatment services for industry use, food, including chemical, pharmaceutical and steel industries. |   | |
| Polytech Systems Manufacturer of equipment designs for skimmers, scum pipes, grit washers and flight monitoring systems for the wastewater treatment industry. |   | |
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