Oct 16, 2025 · Since our founding in 1975, SJE has grown into a leading controls technology company throughout the United States and Canada, as well as global markets. Our diverse portfolio of well …

Dec 11, 2025 · SJE Rhombus has been a global leader in the water & wastewater industry for over 50 years. We create products for a range of applications, including residential, commercial, municipal, …

We’re the most trusted name in control solutions for residential, commercial, municipal and industrial applications. SJE was founded in 1975 in Minnesota, where our headquarters still resides today. We …

SJE is a Top Workplace award winner. Learn what makes SJE a great place to work & how to find open job positions.

Jul 1, 2025 · Today, SJE engineers and manufactures high-quality products and control solutions that serve customers in the water, wastewater, energy, and industrial OEM markets. The SJE products …

Since our founding in 1975, we’ve grown to include multiple locations across the United States and China. Our headquarters is based in Detroit Lakes, Minn., where we were founded nearly 50 years …

SJE MegaMaster® – Catalog with Pricing SJE SignalMaster® – Catalog with Pricing SJE SignalMaster® SPDT – Catalog with Pricing SJE MilliAmpMaster™ WPS – Catalog with Pricing SJE …

Since 1975, SJE Rhombus has grown to become a leading manufacturer of reliable, trouble-free liquid level controls for the water, wastewater, and sewage industries throughout the United States and …

Whether you require a pump control panel, tank alarm, constant pressure controls, float switch, or even innovative floatless technology, finding the right solution is easy when you choose from the vast line …

SJE acquires AMI, based in Las Vegas, NV. AMI Global is a leading IIoT technology company providing end-to-end remote connectivity solutions for industrial equipment with a deep expertise in the …