Verified Nov 2026
Electronics & Software
·
Detroit Lakes, Minnesota
·
Since 1975
SJE Rhombus is a control products manufacturer headquartered in Detroit Lakes, Minnesota, founded in 1975. It is estimated to have 200-500 employees and revenue in the $50-100M range, and it is 100% employee-owned. The company designs and manufactures control solutions for water, wastewater, and sewage applications, including pump control panels and liquid level monitoring products, and serves municipal, commercial, industrial, and agricultural customers. In May 2026 it acquired Anchor Scientific, expanding its portfolio of water sensors and controls.
SJE Rhombus at a glance
Revenue
$50-100M
Est. band
Employees
200-500
Founded
1975
Headquarters
Detroit Lakes, Minnesota
Import activity
295
Industries
Automotive
Electric Vehicles
Electronics
Industrial Equipment
Sourcing and import activity
From US customs bill-of-lading records
US sea imports
295
Named foreign suppliers
20
Top origins
China · South Korea · Japan · Germany
Shared foreign counterparties do not establish that these companies buy from SJE Rhombus.
What this tells a buyer
The company announced its acquisition of Anchor Scientific in May 2026, adding water sensors and controls to its product portfolio.
Its product range includes pump control panels, liquid level monitoring solutions, float switches, and embedded controllers, with custom printed circuit board support.
It operates manufacturing facilities in Minnesota and reports a global distributor network of over 1,400 distributors.
Source: US customs bill-of-lading records and public filings · Last verified Nov 05, 2026
Overview
SJE Rhombus is a control products manufacturer headquartered in Detroit Lakes, Minnesota, founded in 1975. It is estimated to have 200-500 employees and revenue in the $50-100M range, and it is 100% employee-owned. The company designs and manufactures control solutions for water, wastewater, and sewage applications, including pump control panels and liquid level monitoring products, and serves municipal, commercial, industrial, and agricultural customers. In May 2026 it acquired Anchor Scientific, expanding its portfolio of water sensors and controls.
At a glance
Attribute | Detail |
|---|---|
Founded | 1975 |
Headquarters | Detroit Lakes, Minnesota |
Employees | 200-500 |
Revenue | $50-100M (estimated) |
Primary capability | Electronics & Software |
What SJE Rhombus makes
Its product range includes pump control panels, liquid level monitoring solutions, float switches, and embedded controllers, with custom printed circuit board support.
Products and capabilities described on the company's own site include Assembly, PCB, Coating, Electronics, Pump (source: sjerhombus.com).
Trade and customs footprint
The company announced its acquisition of Anchor Scientific in May 2026, adding water sensors and controls to its product portfolio. US customs bill-of-lading records list 295 inbound shipments across 20 foreign suppliers, with top origins including China · South Korea · Japan · Germany.
Latest developments
2026-11-05 — Rodrigo Erazo Takes on Americas Business Development Manager - Municipal Market - SJE Rhombus Control Products (sjerhombus.com)
2026-09-21 — Hermantown Pays SJE-Rhombus Sewer Services (civiciq.com)
2026-08-10 — RKR to Represent SJE Rhombus Across Key Rocky Mountain Markets - SJE Rhombus Control Products (sjerhombus.com)
2026-05-18 — SJE® Acquires Anchor Scientific, Expanding Its Portfolio in Water Sensors and Controls - SJE Rhombus Control Products (sjerhombus.com)
2025-12-11 — Hart, Travers & Associates, Inc. to Represent SJE Rhombus in Northern Illinois and Northwest Indiana - SJE Rhombus Control Products (sjerhombus.com)
2025-12-09 — StreamKey to Represent SJE Rhombus Across Key Midwest and Appalachian Markets - SJE Rhombus Control Products (sjerhombus.com)
Facilities
SJE Rhombus is headquartered in Detroit Lakes, Minnesota. Public sources also reference these locations:
Long Lake, Minnesota — sjerhombus.com
Detroit Lakes, Minnesota — sjerhombus.com
Company details
It operates manufacturing facilities in Minnesota and reports a global distributor network of over 1,400 distributors. SJE Rhombus was founded in 1975, has an estimated 200-500 employees, and is headquartered in Detroit Lakes, Minnesota.
Frequently asked questions
What does SJE Rhombus make?
SJE Rhombus is a control products manufacturer headquartered in Detroit Lakes, Minnesota, founded in 1975. It is estimated to have 200-500 employees and revenue in the $50-100M range, and it is 100% employee-owned. The company designs and manufactures control solutions for water, wastewater, and sewage applications, including pump control panels and liquid level monitoring products, and serves municipal, commercial, industrial, and agricultural customers. In May 2026 it acquired Anchor Scientific, expanding its portfolio of water sensors and controls.
Where is SJE Rhombus headquartered?
SJE Rhombus is headquartered in Detroit Lakes, Minnesota (22650 County Highway 6, Detroit Lakes, Minnesota, 56501).
When was SJE Rhombus founded?
SJE Rhombus was founded in 1975.
How big is SJE Rhombus?
SJE Rhombus has an estimated 200-500 employees, with revenue in the $50-100M range (estimated).
Does SJE Rhombus import from overseas suppliers?
US customs bill-of-lading records show 295 inbound shipments for SJE Rhombus, with top origins including China · South Korea · Japan · Germany.
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Last verified Nov 2026. Is this your company? Request a correction.
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