Our Brands


SJE is comprised of multiple recognized and well-respected brands with decades of leadership in their categories all known for their innovation and quality.

Our portfolio of proven brands is vital to the future we’re creating together at SJE.

csi controls

CSI Controls offers a complete line of standard control panels, Fusion Plus control panels, septic tank alarms, float switches, and accessories for a range of water and wastewater applications.

Learn more about CSI Controls >


primex logo

Primex is the largest provider of completed control solutions for water applications in North America. Primex offers a broad end-to-end suite of products and services. Today, our state-of-the-art solutions provide water and wastewater automation and control products and solutions that optimize quality, reliability, and overall value.

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sje rhombus logo

Our SJE Rhombus brand is recognized worldwide for its reliable, trouble-free liquid level controls for residential and commercial water and wastewater applications. These solutions include pump control panels, float switches, Tank Alert® alarms, level monitoring solutions, and more.

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lw allen pump systems             altronex

L.W. ALLEN serves water and wastewater facilities in Wisconsin and the surrounding states with two divisions. L.W. Allen is a factory-authorized distributor for several leading brands of pumps, motors, slide gates and complete pump stations and accessories. Altronex designs, manufacturers and services state-of-the art controls systems. As a full-service integrator, Altronex can provide custom solutions including SCADA, telemetry, motor control and instrumentation needs.

Learn more about L.W. Allen & Altronex >



Based in Ashland, Ohio, OEC is a world leader in electric control technology. In 1978, Jack and Martha McMullen started the company from their home’s basement. Today, OEC’s dedication to quality products, timely delivery, fair prices and great customer service has continued through three generations. OEC has excelled across the controls industry, including water/wastewater applications and a diverse range of Original Equipment Manufacturers’ (OEM) Control Systems.

Learn more about Ohio Electric Control >


horlick logo

Founder William Horlick started the company in 1936, and was mainly involved in the buying, selling and refurbishment of surplus military equipment, including motors, generators, transformers and switchgear. Today, Horlick Company has transformed into a complete system integrator capable of supplying a range of equipment, from a simple relay-based duplex pumping station to a complex motor control center with custom PLC-based process and SCADA interface. To learn more, visit www.horlick.com.

Learn more about Horlick >

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