- Coffey & Associates - Coffey & Associates is an enviromental consulting firm. We are grounded in hard science and several decades of solid experience.
- Consulting Hydrogeology & Environmental Software Services (C.H.E.S.S. Inc.) provides accurate and low-overhead hydrogeologic and contaminant transport analysis.
- Geologic Resources - Consulting Hydrogeologist specializing in site investigations, remediation, and regulatory liasion.
- Iowa Geological Survey Bureau collects and manages information on the geology and water resources of Iowa.
- The National Operational Hydrological Remote Sensing Center is a branch of the Office of Hydrology in the National Weather Service, and part of NOAA. Operational mapping of snow cover in the USA, Canada and Alaska from AVHRR, GOES and SSM/I satellite data.
- Scientific Software Group - Groundwater, Surface-Water, Air Pollution, and other Environmental Software
- UFA Ventures, Inc. - Full service geology laboratory providing innovative hydrogeology technology, soil and rock testing services, environmental remediation, feasability studies, consulting, and more.