Aurora, Colorado-based Advanced Circuits, a quick turn PCB manufacturer, said this week that it has acquired Circuits Express, a Tempe, Arizona-based PCB manufacturer. The deal was worth $15.6M. Advanced Circuits is a subsidiary of holding firm Compass Diversified Holdings. Advanced Circuits said the buy will allow it to expand services to the firm's customers. Circiut Express specializes in supplying PCBs to military, aerospace, and defense customers.