SJE (Minnesota) Overview

  • Year Founded
  • 1975

Year Founded

  • Status
  • Private

  • Employees
  • 600

Employees

  • Latest Deal Type
  • Debt

  • Financing Rounds
  • 6

  • Investments
  • 15

SJE (Minnesota) General Information

Description

Manufacturer of control systems intended to improve functionality in the water, wastewater, and sewage industries. The company offers float switches and septic alarms, wastewater automation, control panels, monitoring systems, and pump control panels, enabling industries to meet their liquid level control needs.

Contact Information

Website
www.sjeinc.com
Formerly Known As
S.J. Electro Systems
Ownership Status
Privately Held (backing)
Financing Status
Private Equity-Backed
Corporate Office
  • 22650 County Highway 6
  • Detroit Lakes, MN 56501
  • United States
+1 (888)
Primary Industry
Electronic Equipment and Instruments
Other Industries
Other Commercial Products
Industrial Supplies and Parts
Vertical(s)
Corporate Office
  • 22650 County Highway 6
  • Detroit Lakes, MN 56501
  • United States
+1 (888)

SJE (Minnesota) Timeline

2023202420252026
Financing RoundCaptured Employee CountEstimated Employee Growth

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SJE (Minnesota) Valuation & Funding

Deal Type Date Amount Valuation/
EBITDA
Post-Val Status Debt

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SJE (Minnesota) Comparisons

Description
Primary
Industry
HQ Location
Employees
Total Raised
Post Valuation
Last
Financing
Details
Manufacturer of control systems intended to improve functionality in the water, wastewater, and sewage industries. The c
Electronic Equipment and Instruments
Detroit Lakes, MN
600 As of 2026

Scottsdale, AZ
 

Calgary, Canada
 
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SJE (Minnesota) Competitors (4)

One of SJE (Minnesota)’s 4 competitors is Waterline Controls, a Corporation company based in Scottsdale, AZ.

Company Name Financing Status Location Employees Total Raised Last Financing Date/Type Last Financing Amount
Waterline Controls Corporation Scottsdale, AZ
Westech Industrial Private Equity-Backed Calgary, Canada
Gems Sensors & Controls Corporate Backed or Acquired Plainville, CT
Tesco Controls Private Equity-Backed Sacramento, CA
To view SJE (Minnesota)’s complete competitors history, request access »

SJE (Minnesota) Patents

SJE (Minnesota) Recent Patent Activity

Publication ID Patent Title Status First Filing Date Technology (CPC) Citations
US-20260267361-A1 Pump monitoring and control system Pending 06-Mar-2025
US-20260201876-A1 Power managing pumping system Pending 10-Jan-2025
US-D1092266-S1 Visual alarm indicator housing portion Active 01-Mar-2023
US-D1092267-S1 Visual alarm indicator housing portion Active 01-Mar-2023
US-D1092268-S1 Visual alarm indicator housing portion Active 01-Mar-2023
To view SJE (Minnesota)’s complete patent history, request access »

SJE (Minnesota) Signals

Growth Rate

Weekly
Growth
Weekly Growth

Size Multiple

Median
Size Multiple

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Similarweb Unique Visitors

Majestic Referring Domains

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SJE (Minnesota) Investors

Investor Name Investor Type Holding Investor Since Participating Rounds Contact Info

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SJE (Minnesota) Investments & Acquisitions (15)

SJE (Minnesota)’s most recent deal was a Buyout/LBO with Wilson Controls. The deal was made on 30-Aug-2026.

Company Name Deal Date Deal Type Deal Size Industry Lead Partner
Wilson Controls 30-Aug-2026 Buyout/LBO Electronic Components
As Holding Company 31-Mar-2026 Buyout/LBO Industrial Supplies and Parts
LangeTech 01-Aug-2025 Buyout/LBO Construction and Engineering
AMI Global 08-Jul-2025 Buyout/LBO Business/Productivity Software
Revere Control Systems 16-Sep-2024 Buyout/LBO Other Commercial Products
You’re viewing 5 of 15 investments and acquisitions. Get the full list »

SJE (Minnesota) Exits (1)

SJE (Minnesota)’s most recent exit was on 01-Jan-2005 from Control Works. The exit was categorized as .

Company Name Exit Date Exit Type Exit Size Status Buyers
Control Works 01-Jan-2005 Completed
To view SJE (Minnesota)’s complete exits history, request access »

SJE (Minnesota) Affiliates

Subsidiaries (9)

Name Industry Location Year Founded
Wilson Controls Lee, NH 2012
AMI Global Las Vegas, NV 2009
LangeTech Chesterfield, MO 2002
CSI Controls Detroit Lakes, MN 1993
Revere Control Systems Hoover, AL 1980
You’re viewing 5 of 9 affiliates. Get the full list.  »

SJE (Minnesota) FAQs

  • When was SJE (Minnesota) founded?

    SJE (Minnesota) was founded in 1975.

  • Where is SJE (Minnesota) headquartered?

    SJE (Minnesota) is headquartered in Detroit Lakes, MN.

  • What is the size of SJE (Minnesota)?

    SJE (Minnesota) has 600 total employees.

  • What industry is SJE (Minnesota) in?

    SJE (Minnesota)’s primary industry is Electronic Equipment and Instruments.

  • Is SJE (Minnesota) a private or public company?

    SJE (Minnesota) is a Private company.

  • What is SJE (Minnesota)’s current revenue?

    The current revenue for SJE (Minnesota) is .

  • How much funding has SJE (Minnesota) raised over time?

    SJE (Minnesota) has raised $11.4M.

  • Who are SJE (Minnesota)’s investors?

    Audax Private Equity and Minnesota State Board of Investment have invested in SJE (Minnesota).

  • Who are SJE (Minnesota)’s competitors?

    Waterline Controls, Westech Industrial, Gems Sensors & Controls, and Tesco Controls are competitors of SJE (Minnesota).

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