News & Events


We invite you to learn more about CSI Controls® in the news, information about our latest trade show appearances, new projects, and other business items of note. Please be sure to check back regularly.

Latest News

June 18, 2021

SJE Inc. acquired by Audax Private Equity

SJE, a leading manufacturer of control solutions for the water and wastewater industry, has sold a majority equity interest to Audax Private Equity (“Audax”). The investment from Audax comes as SJE aims for continued growth and expansion within the controls industry. Founder, Steve Johnston, started S. J. Electro Systems in 1975 after creating the original […]

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