Engineered Controls
Municipal Lift Stations
Eco Smart Station
331 Control Panel
VFD Pressure Controls
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Engineered Controls

OEM Solutions

Whether you need high volume, repetitive control panels or a one-off custom solution, SJE-Rhombus is your preferred partner. Our facility is designed for the manufacturing process, integrating sales, design, assembly and testing of control panels. Because of our multiple company resources, we can purchase components at competitive rates resulting in cost-effective control solutions for you. We keep a large in-house inventory to ensure production stays on schedule for your project.

We understand that safety standards are essential, and as a UL panel shop, SJE-Rhombus builds every panel to UL standards and lists each panel according to customer specifications, including UL 508A Listing for industrial control panels and UL 698A Listing for industrial control panels with circuit extensions to a Class 1, Division 1, Group C, D, hazardous location.

SJE-Rhombus provides unparalleled service to our OEM customers, including customized literature and labeling, thorough documentation, assistance writing specifications, replenishment programs (VMI), expediting programs and exceptional technical support. Our number one goal is to develop a collaborative partnership with you.

High Volume Repetitive Controls or One-Off Custom Solutions

Water/Wastewater Controls
Agricultural Controls
Irrigation Controls
Aerobic Treatment Controls
Communication Controls
Process Controls
Institutional Controls
And more