Since 1986, Sierra Circuits has been a leading supplier of high technology, quick-turn Printed Circuit Boards. ISO-9001:2000 and MilSpec certified, Silicon Valley based company.
Sierra Proto Express has been a premier manufacturer of prototype PCBs since 1986. We believe that repeat business from our customers best illustrates our high standards and commitment to excellence. That is the metric we are most proud of and what we measure ourselves by.
Of course, we also have stellar industry certifcations, some of which are shown below:
