MJK North America Inc.

MJK serves the municipal water and wastewater treatment markets with instruments, controls and RTU's for level, flow, suspended solids, dissolved oxygen and pH/ORP. As a manufacturer, MJK is among the leaders in water treatment process instrumentation and serves 40 countries through its subsidiaries and sales channel partners. Founded in 1977, MJK continues to provide easy to use, highly reliable instruments along with excellent support services. In addition to this, MJK will continue to introduce important new products focused on the needs of the water treatment and wastewater treatment.


37 Sherwood Terrace, #126
Lake Bluff Illinois, IL 60044
United States
Phone: 877-655-5465
Fax: 847-482-8654

Product Categories

Flowmeters; Magmeters; Instrumentation, Dissolved Oxygen; Meters, Suspended Solids; Sensors, Liquid Level