Benchmark Electronics provides contract manufacturing services to electronics makers, produces complex printed circuit boards and related electronics systems and subsystems. Customers include manufacturers of computers, industrial control equipment, medical devices, telecommunications systems, and test and measurement instruments. The company also offers design, direct order fulfillment, distribution, engineering, materials management, and testing services. The company has operations in seven countries, but derives about three-quarters of its sales from customers in the US. Its 10 largest customers account for about half of its sales. Competitors include Jabil Circuit and Flextronics.