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SJE Rhombus Locations

Multiple Locations Across North America and Asia

As a part of the company’s growth plan, SJE Rhombus has acquired several companies and now has eight locations throughout the United States and Asia.

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SJE Rhombus Corporate Headquarters - Detroit Lakes, Minnesota
Located in the heart of Lakes Country in West Central Minnesota, SJE Rhombus Corporate Headquarters occupy over 65,000 square feet of manufacturing and warehouse facilities. In this facility, floats, alarms, control panels, embedded controls, and engineered custom control panels are produced for a variety of applications.

22650 County Highway 6
Detroit Lakes, MN 56501
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SJE Rhombus - New Hope, Minnesota
This division of SJE Rhombus (formerly known as Compucon Co.) provides software, firmware and hardware design services and custom populated circuit boards for a wide variety of electronic monitoring and control applications. Primary customers are low-volume OEM’s (original equipment manufacturers). Typical products control such conditions as temperature, speed, motion, pressure, pattern, position, and sampling.

9307 Science Center Drive
New Hope, MN 55428
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SJE Rhombus (Suzhou) Co., Ltd. - Suzhou, China
In 2007, SJE Rhombus opened a manufacturing facility in the Suzhou Industrial Park (China). SJE Rhombus (Suzhou) Co., Ltd. is well equipped to service pump manufacturers and distributors across the world. With a long-standing reputation for producing products of the highest quality, SJE Rhombus Suzhou recently earned ISO 9001:2000 certification to ensure manufacturing processes exceed the strictest quality control requirements.

Unit B2-6, District A
Weiting Industrial Workplace, No. 9
Weixin Road, Weiting Town
Suzhou Industrial Park, Suzhou, China
(86) 512 6507 2944
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PRIMEX® Water System Integrator and Controls Provider
PRIMEX, the SJE Rhombus Engineered Municipal and Industrial brand, was formed by SJE Rhombus in 2013 by combining CSI Controls®, Control Works, Inc., Best Controls Company and SJE Rhombus’ engineered panel business.  Since then PRIMEX has designed, built and installed systems for municipalities across the U.S. and Canada, developing a growing reputation for exceptional customer service, fast turnaround for quotes, and high standards for quality and reliability.  In 2015, SJE Rhombus acquired ICS Healy-Ruff™ and positions them within the PRIMEX brand.

PRIMEX has five locations to serve you. You can reach any of our locations by calling toll free 844-4PRIMEX (844-477-4639):

220 Ohio Street14190 63rd Way N22650 County Highway 6400 Techne Ctr Dr #10413005 16th Ave N #100859 Cotting Ct Ste G
Ashland, OH 44805Clearwater, FL 33760Detroit Lakes, MN 56501Milford, OH 45150Plymouth, MN 55441Vacaville, CA 95688
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Ashland, Ohio
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Clearwater, Florida
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Detroit Lakes, Minnesota
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Milford, Ohio
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Plymouth, Minnesota
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CSI Controls, Ashland, Ohio

CSI Controls® - Ashland, Ohio
Acquired by SJE Rhombus in 2008, CSI Controls manufacturers a variety of pump controls, including control panels, alarms and floats, for residential and commercial applications.         
220 Ohio Street
Ashland, Ohio 44805
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