Sierra Electrotek was established in 1968 and is housed in a cutting-edge 58,000 square foot facility. ft. complex in Oak Creek, Wisconsin, a short distance from the international airport in Milwaukee. We are a maker of bare printed circuit boards with an emphasis on high technology and dependability for the commercial, aerospace, and military applications. In addition to PTFE and Rogers 3000, 4000, 5000, and 6000 material sets, we also sell rigid, flex, and rigid-flex goods.

Sierra Electrotek holds certifications for MIL-55110/31032, NADCAP, and AS9100. We produce high layer count regulated impedance up to 30 layers and HDI microvia technology. Sierra Electrotek is also capable of producing buried capacitance items and working with heavy copper. High-reliability technologies for the military, healthcare, and aerospace are among our specialties.