About

Trusted control solutions since 1993

Exceeding customer expectations for quality, delivery, and service!

CSI Controls® is a leading manufacturer of liquid level control products. We have been servicing the water and wastewater industries since 1993. CSI Controls® is part of SJE Inc. family of brands. Our 66,000 sq. ft., UL-Listed manufacturing facility in Detroit Lakes, MN.

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With over 25,000 customized systems installed around the world, residential and industrial customers choose CSI Controls products and services to meet their liquid level control needs.

Our staff members are experienced, knowledgeable professionals who maintain an unwavering commitment to quality and service. Whether you’re improving a single pump station or designing a new wastewater facility, CSI Controls will provide you with some of the most accurate, innovative, and trusted liquid level products on the market.

Contact us today to make your next project a success

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CSI Controls
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