DDi Corp., together with its subsidiaries, provides printed circuit board (PCB) engineering and manufacturing services primarily in North America. It offers multi-layer PCB prototype, design, engineering, and manufacturing services. The company also provides pre-production and production fabrication services. In addition, it supports customer requirements for a transition to higher volume needs. The company offers its products and services to various market sectors, including communications, computing, military/aerospace, industrial electronics, instrumentation, medical, and high-durability commercial markets. It markets its products through an internal sales force and manufacturers representatives. The company was founded in 1978 and is headquartered in Anaheim, California.