Sierra Electrotek in Oak Creek to shut down

Oak Creek circuit board manufacturer Sierra Electrotek will shut down its operations and eliminate all of its 37 employees effective March 8, according to a notification provided to the state.

Formerly known as Electrotek Corp., Sierra Electrotek was founded in 1968 and acquired by Sunnyvale, California-based Sierra Circuits Inc. in 2022.

Sierra Electrotek operates at a 58,000-square-foot facility at 7745 S. 10th St. in Oak Creek.

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