Aqua-Aerobic Systems Inc - A manufacturer of wastewater treatment equipment and systems for both municipal and industrial markets, worldwide.
https://aqua-aerobic.com/
Fluence - Specialized in designing and manufacturing rugged and reliable water and wastewater treatment equipment.
https://www.fluencecorp.com
Water Treatment Equipment Inc - One of the largest and most respected water treatment specialists in the Northern New England.
https://www.wte-inc.com/
