is a privately owned printed circuit board, flexible circuit board, and membrane switch supplier. We have our own factory in Taiwan that employs 180 people. Our engineers are dedicated to Quality Control. OSI specializes in customer satisfaction, competitive pricing and prompt shipment of any size order (prototype included). We also offer USA customer service and FOB USA pricing with off shore pricing.


We manufacture printed circuit boards (single, double, multilayer), flexible printed circuits (single, double, multi-layer, rigid-flex) and membrane switches. Some assembly is available on all products.