High-Volume Quality PCBs Made in USA

Sierra Electrotek specializes in high-volume PCB fabrication for large OEMs in need of advanced high-reliability electronics. We serve all industries, such as defense, aerospace, medical, high-reliability industrial and microelectronics.

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Electronics made in the usa

Sierra Electrotek Corporation is a high-volume PCB fabrication facility located in Oak Creek, Wisconsin. Created in 1968, the company became Sierra Electrotek on July 1st, 2022 following its acquisition by Sierra Circuits, Inc., a leading PCB manufacturing and assembly house headquartered in Silicon Valley. 

Sierra Electrotek intends to build on Electrotek’s 50 years of service to the industry and convert this location to Sierra’s premier, state of the art, highly automated printed circuit board manufacturing facility supplying high-reliability manufacturing of electronic products to support the military, medical, industrial, aerospace and microelectronics industries.

We eliminate risks for your peace of mind

Sierra Electrotek has a strong recovery plan and well-trained associates so you don’t have to worry about supply chain disruptions.



As an experienced partner of the defense and space industry, we understand the importance of meeting your quality requirements and delivery deadlines.Sierra Electrotek has a robust disaster recovery plan in place that ensures our ability to control risks in case of any disruption.



We have built processes to handle potential liabilities that could threaten your supply chain. It starts with our skilled teams who are prepared to face any challenges and trained to react swiftly. Under extreme unforeseen circumstances, our sister company Sierra Circuits will take over your project and deliver in a timely manner.



Offering secure and resilient operations is our top priority. Our capability and capacity to ramp up our production lines in Silicon Valley during Covid-19 have proven our disruption plan efficient to address today’s and tomorrow’s contingencies.