SJE-Rhombus

SJE-Rhombus (S.J. Electro Systems, Inc.) was founded on July 2, 1975 by Steve Johnston. Steve wanted to develop a way to warn Minnesota residents when their septic system holding tank needed pumping. The pioneering efforts of Steve brought forth the first Tank Alert® alarm and Sensor Float control switch. Today, over 35 years later, SJE-Rhombus has grown into a leading manufacturer of reliable, trouble-free liquid level controls for the water, wastewater and sewage industries throughout the United States and Canada, as well as into global markets.

Company details

22650 County Highway 6, PO Box 1708 , Detroit Lakes , MN 56502 USA

Locations Served

Subsidiaries

Business Type:
Manufacturer
Industry Type:
Water and Wastewater
Market Focus:
Globally (various continents)
Year Founded:
1975

This company also provides solutions for other industrial applications.
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