About SJE
SJE is an Environment company based in Detroit Lakes (United States) founded in 1975 by Steve Johnston, and was acquired by Audax Private Equity in June 2021. Wastewater management services are provided to utilities and industries. SJE has completed 3 acquisitions, including LangeTech, Ohio Electric Control and Revere Control Systems. Its chief executive, as recorded, is Dave Thomas. SJE offers products and services including Control Panels, Liquid Level Sensors, and Remote Monitoring. Its focus areas include Waste & Water Management, Wastewater Management, Treatment and Municipal & Industrial. Its legal entity is SJE Corp. Its competitors include Infiltrator, Watts and Bioscience; 2 of its 3 listed competitors have raised funding.
Company details
SJE was founded in 1975 by Steve Johnston in Detroit Lakes, United States, focusing on wastewater management within the environmental services sector. Operations involve the delivery of treatment and handling solutions for municipal and industrial needs. Leadership is maintained by CEO Dave Thomas. Services are extended across various U.S. regions, supporting infrastructure for water resource management and compliance with regulations.
- Headquarters Detroit Lakes, United States
- Founders Steve Johnston
- Stage Acquired
- SectorsEnvironment
- Phoneβ’β’β’β’ β’β’β’β’
- Website sjeinc.com
- Social LinkedIn Facebook Instagram YouTube
- Acquired by Audax Private Equity (Jun 2021)
- Legal Name Sje Corp.
- Investors
- Investments & AcquisitionsLangeTech
& 2 more
- Acquired byAudax Private Equity
(Jun 2021)
Products & Services of SJE
SJE offers a comprehensive portfolio of products and services, including Control Panels, Liquid Level Sensors, and Remote Monitoring.
Provides custom and off-the-shelf systems for automation needs
Monitors liquid levels in industrial and water applications
Enables SCADA and remote oversight for various systems
Apps and channels of SJE
its YouTube channel SJE has 1.01K subscribers and 16 videos.
Videos from SJE
The most watched videos on SJE's YouTube channel, SJE (1.01K subscribers). Click a video to play it here.
More on SJE.
Investors in SJE
SJE has secured backing from 1 investor, including venture fund investors. Prominent investors backing the company include Audax Private Equity.
| Investor | Description | Founded Year | Domain | Location |
|---|---|---|---|---|
Private equity investments in middle market companies across North America. | audaxprivateequity.com |
Investor details for SJE
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People of SJE
3 people are tracked at SJE (3 in leadership).
| Name | Role | Group |
|---|---|---|
Steve Johnston | Founder | Leadership |
Dave Thomas | CEO | Leadership |
Gary Kakach | President | Leadership |
Complete people profiles for SJE
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Investments & Acquisitions by SJE
SJE has strategically engaged in corporate development activities, having acquired 3 companies. Notable acquisitions include LangeTech, Ohio Electric Control and Revere Control Systems.
| Company Name | Description | Domain | Location | Founded | Acquired | Amount |
|---|---|---|---|---|---|---|
Provides automation solutions, consulting, and engineering for business processes. | langetech.com | Chesterfield, United States | 2002 | Oct 2025 | β’β’β’β’ | |
Automation systems integration services are provided for industrial clients. | reverecontrol.com | Birmingham, United States | 1980 | Sep 2024 | β’β’β’β’ | |
Custom manufacturer of electric control panels for pumps and OEM machines | oecinc.net | Ashland, United States | 1978 | Dec 2021 | β’β’β’β’ |
Complete acquisition details for SJE
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Timeline of SJE
5 dated milestones of SJE across 50 years, from founding to its latest funding, stage changes and deals.
- Founded SJE is founded.
- Exit Acquired by Audax Private Equity.
- Acquisition Acquires Ohio Electric Control.
- Acquisition Acquires Revere Control Systems.
- Acquisition Acquires LangeTech.
Competitors of SJE
SJE has 3 listed competitors in our database, 2 of them funded. They include Infiltrator, Watts and Bioscience.
| Company Name | Domain | Founded | HQ Location | Total funding | Employees | Description |
|---|---|---|---|---|---|---|
| infiltratorwater.com | 1987 | Old Saybrook, United States | $186.03M | 398 | Wastewater treatment systems are manufactured for septic and drainage applications. | |
| watts.com | 1857 | North Andover, United States | Water quality testing, rainwater harvesting, and management services are provided. | |||
| bioscienceinc.com | 1984 | Allentown, United States | $17M | Microbial solutions are developed for wastewater treatment and analysis. |
Detailed competitors of SJE
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Web traffic of SJE
The website of SJE (sjeinc.com) receives about 4.8K visits a month.
- Monthly visits4.8K
▲ 22.6% vs previous month
Top companies in Waste & Water Management Systems
3 companies that operate in the same segment as SJE (Waste & Water Management Systems) in United States, ranked by their profile score on The Company Check.
| Company | Description | Founded | Location | Total funding | Revenue | Employees |
|---|---|---|---|---|---|---|
Waste collection and management services are provided nationwide. | 1968 | Houston, Texas, United States | USD 25.2 B | 61,700 | ||
Integrated waste management services are provided nationwide. | 1998 | Phoenix, Arizona, United States | USD 16.59 B | 42,000 | ||
Smart water dispensers with flavored options are provided for offices. | 2013 | Boston, Massachusetts, United States | USD 135.53 M | 102 |
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Related news about Sje
Complete news archive for SJE
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Frequently Asked Questions about SJE
SJE was founded in 1975.
SJE is headquartered in Detroit Lakes, United States. It is registered at Detroit Lakes, Minnesota, United States.
Dave Thomas is the CEO of SJE, as recorded in our data.
SJE was founded in 1975 by Steve Johnston in Detroit Lakes, United States, focusing on wastewater management within the environmental services sector. Operations involve the delivery of treatment and handling solutions for municipal and industrial needs. Leadership is maintained by CEO Dave Thomas. Services are extended across various U.S. regions, supporting infrastructure for water resource management and compliance with regulations.
SJE's top competitors include Watts, Bioscience and Infiltrator.
SJE offers Control Panels, Liquid Level Sensors, and Remote Monitoring.
SJE has made 3 acquisitions, including LangeTech, Ohio Electric Control, and Revere Control Systems.
SJE has 1 investor. Key investors include Audax Private Equity.
SJE operates through Sje Corp..
Yes. SJE was acquired by Audax Private Equity in June 2021.

