Ionics (acquired by General Electric; NYSE:GE)
Ionics engages in the design, installation, operation, and maintenance of water and wastewater treatment systems. It also provides emergency and long-term water purification services. The company supplies zero liquid discharge systems; provides ultrapure water systems for the power and microelectronics industries; and measures and analyses water impurities. Ionics' products and services are used to desalt brackish water and seawater; treat, recycle, and reclaim process water and waste water; treat water for residential and commercial applications; manufacture and supply disinfection chemicals; and process food products.