In a cutting-edge 58,000 square foot facility in Oak Creek, Wisconsin, just a few minutes from the Milwaukee international airport, Sierra Electrotek, founded in 1968, is housed. We are a maker of raw printed circuit boards with an emphasis on the commercial, aerospace, and military applications. We offer PTFE, Rogers 3000, 4000, 5000, and 6000 material sets as well as stiff, flexible, and rigid-flexible goods.

Sierra Electrotek holds certifications from AS9100, NADCAP, and MIL-55110/31032. We produce high layer count regulated impedance up to 30 layers as well as HDI microvia technology. Additionally, Sierra Electrotek has the ability to create buried capacitance products and manufacture with heavy copper. High-reliability medical, military, and aerospace technologies are among our specialties.