QED Environmental Systems
- Supplier of pumping systems and equipment for sampling groundwater, recovering contaminated ground water, fuels, and solvents, and controlling leachate and condensate at landfills.
- http://www.qedenv.com/

Limno-Tech, Inc.
- Providing surface water quality assessment, modeling and management for private, municipal, state, regional, and federal clients. Branch offices throughout the United States.
- http://www.limno.com/