Hurricane Harvey Pump Control Panels

Save up to 75% on your installation time with this innovative quick release float switch connection system. Read More >>

PRIMEX®, the SJE-Rhombus® Engineered Solutions Team dedicated to water and wastewater control is the largest provider of complete control solutions for water applications in North America, offering a broad end to end suite of products and services, including standard pump control panels, full-featured web-hosted icontrol® SCADA solutions and highly complex systems integration projects for large municipalities.
With thousands of installations across North America, nearly a century of expertise and hundreds of combined engineering and electrical controls experience, PRIMEX provides control solutions for municipal and industrial process water applications using the latest technology to deliver energy efficient and cost effective systems carrying UL 508A, UL 698A and UL NNY and other approvals as specified.
Multiple design and production facilities located across North America ensure PRIMEX customers seamless, high quality water control solutions.  PRIMEX employee-owners offer fast turnaround and quotes, submittals, new product development and testing are core PRIMEX values.  PRIMEX is continually designing innovative control solutions to meet the growing demands of the water control industry.
C.M. Architecture Collaborates With SJE® and Simonson Construction Services on New Manufacturing Facility


SJE breaks ground on new manufacturing facility in Ashland, Ohio

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SJE-Rhombus Awarded Chapter Employee Owned Company of the Year Award

PRIMEX® Announces Addition of New Business Development Manager

PRIMEX® Introduces new PSLT Submersible Level Transmitter