- American Aquatics, Inc.
 - Specialises in assessing aquatic ecosystems. - Brightwater, Inc.
- Specialising in water quality studies, stream assessment and restoration, wetland assessment, restoration and mitigation.
- Commonwealth Biomonitoring
- Information on water quality of lakes and streams, with special emphasis on Indiana.
- General Environmental Systems
- Specialising in diffused and hypolimnetic lake and pond aeration.
- Marine Biochemists
- Providing services in aeration, algae and aquatic weed control, aquatic consulting, fish surveys, fountains, water quality analysis, and more.
- Riverside Technology, inc
- Provides water resources services, including engineering, permitting, and data acquisition.
- Water Environment International
- Environment consulting firm specialising in water resources development and water quality in developing countries, particularly in Asia.
- Water's Edge Scientific LLC
- Aquatic ecological consulting firm specialising in algal, zooplankton, and benthic macroinvertebrate identification, biomonitoring, and lake management consulting.
- Watershed Management Group
- Nonprofit organisation working to disseminate water resources knowledge and tools to individuals, groups, and/or communities.
- Wisconsin Valley Improvement Company
- Operates water storage reservoirs to regulate the flow in the Wisconsin River and coordinates the operation of hydroelectric plants.
|
