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| Stormwater Services Group Provider of surface water quality services to industries, departments of transportation, municipal governments and military facilities. |   |
| Revegetation Contractors Environmental contractors whose services include soil and water management plans, erosion control works, roadway stabilization and more. |   | |
| Heath Consultants Provider of field engineering products, services and training specializing gas leakage detection. |   | |
| EMA Services, Inc. Services range from initial planning to implementation a. Provider of consulting services involving developing and implementing operational strategies for improving work practices, addressing organizational development and leveraging technology. |   | |
| Water Technology Associates Independent consulting firm for industrial water and wastewater treatment technology. |   | |
| Severn Trent Provisioners of water and waste services, concentrating on developing markets in Europe and the United States. |   | |
| Environmental and Turf Services Provider of assessment services for agricultural pesticides, turf, and hazardous site investigations. |   | |
| Wright Water Engineers Provider of planning and engineering services for water resources needs. |   | |
| Sheaffer International Provider of services in the reclamation and reuse of wastewater. |   | |
| Miller Environmental Provider of management and operational services to water and wastewater treatment facilities for municipalities. |   | |
| Water Management Services Provider of services to develop investment quality existing building projects which are self-funded by reductions in water use and related energy savings. |   | |
| CABE Associates Provider of civil and environmental consulting engineering services to a variety of private and public sector clients. |   | |
| Schnabel Engineering Associates Provider of geotechnical, environmental, geosciences and water resources consulting services. |   | |
| HydroQual Environmental engineering and science firm offering services in ecological risk assessment, water and wastewater treatment, watershed management, marine circulation, hazardous waste management and wastewater treatment, hazardous waste management, permitting and more. |   | |
| Underwriters Laboratories: Wastewater Certification Demand the certification recognized and appreciated by regulators, retailers and consumers alike - the UL Mark. Go to market with complete confidence. |   | |
| Paul G. Jenner Associates Provider of environmental consultant services for inspections on residential and commercial septic systems. |   | |
| Watershed Systems Provider of wastewater management, drinking water protection and aquifer recharge services for wastewater treatment systems in communities not served by conventional sewers. |   | |
| Wenck Associates, Inc. Areas include soil and water analysis, air quality testing, water pollution control, risk assessment, hazardous and solid waste management, industrial pre-treatment plant desig. Provider of environmental analysis, consulting and design services. |   | |
| Water Resource Solutions Provider of water management tool products and services for storing large volumes of fresh water. |   | |
| Hill County Aerobic Design Works Provider of waste water services including evaluations and soil profile analysis and septic system design and certification. |   | |
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