Excello Circuits is a premier PCB manufacturer located in in Placentia, California. Excello Circuits provides prototype through large scale production manufacturing of time-critical and technologically complex printed circuit board products. Excello Circuits is known for its reliability, on time delivery, competitive pricing, and customer service. Our skilled engineering staff, work directly with our customers, and on the manufacturing floor. Excello Circuits offers arrays PCB products ranging from rigid, rigid-flex, and flex circuits specializes in industrial, commercial, medical, aerospace, and defense