Digital Power Corporation (DPC) designs, develops, manufactures and sells power system solutions to military/defense, telecom/datacom, industrial and medical industries. The Company has a wholly owned subsidiary, Digital Power Limited (DPL), which designs, manufactures and distributes switching power supplies, uninterruptible power supplies, and power conversion and distribution equipment frequency converters for the commercial and military markets, under the name Gresham Power Electronics (Gresham). The Company has two geographic segments: North America (sales through DPC) and Europe (sales through DPL). The Company sells its custom power system solutions, flexibility series power supply products and value-added services to customers in a range of commercial and defense industries and markets worldwide, mainly in North America and Europe. As of December 31, 2008, its customer base consisted of approximately 360 companies, some of which were served through its distributors.