Vicor Corporation, together with its subsidiaries, designs, develops, manufactures and markets modular power components and power systems for converting electrical power in the United States and internationally. The company offers a range of brick-format DC-DC converters; complementary components provide AC line rectification, input filtering, power factor correction, and transient protection; and input and output voltage, and output power products, as well as electrical and mechanical accessories. It also provides custom power systems solutions.

The company serves independent manufacturers of electronic devices, original equipment manufacturers, and their contract manufacturers in the aerospace and aviation, defense electronics, industrial automation and equipment, instrumentation, test equipment, solid state lighting, telecommunications and networking infrastructure, and vehicles and transportation markets.