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, …

SJE is a global leader of water and wastewater control solutions. What does that mean? It means we help homeowners, businesses and municipalities solve problems so they can have access to safe …

Founded in 1975, SJE has built a reputation for delivering reliable, high-performance control solutions through the seamless integration of engineering and manufacturing.

SJE provides innovative solutions for H2S removal, produced water treatment, blue hydrogen, and gas dehydration helping energy producers meet their sustainability goals while staying ahead with …

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 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 …

The SJE PumpMaster® pump switch is designed to directly control pumps up to 1/2 HP at 120 VAC and 1 HP at 230 VAC in water and sewage applications. The SJE PumpMaster® pump switch is not …

SJE acquires Revere, based in Hoover, AL. Revere is a premier turnkey provider of controls and automation solutions performing a full suite of engineering services for water and industrial applications.