Gresham Power Electronics Ltd. We design and manufacture a variety of best-in class, high density power solutions for the Military and Commercial markets. Here in the UK our primary product lines are Power Conversion and Distribution Equipment for Naval and Military Applications. Power Supply Design and Manufacturing At Gresham Power Electronics Ltd we have been designing and manufacturing power supplies for more than eighty years. Our heritage is as a defence, power supply systems manufacturer primarily for the Naval sector. Today we offer a great deal more, supporting defence capabilities for Land and Sea systems. We can offer Standard, COTS and Application Specific solutions for a wide range of demanding applications. Power Supply Distribution Gresham Power Electronics Ltd is a complete PSU solution provider for a wide range of markets. We are able to offer both our own manufactured and partners' products for Medical and Industrial systems, LED Drivers, Power over Ethernet (PoE), Off shore and much more. Working in partnership with a number of industry leading PSU manufacturers we retain our commitment to offer Gresham Power Electronics partners' best-fit technical and commercial solution to their power supply requirements.