Manufacturer of LED Drivers, CCFL Inverters and related electrical and electronic power devices used to power LCD backlights used in the Medical. Industrial and Military markets. Endicott Research Group (ERG) has been manufacturing power conversion products since 1979. In 2008, Endicott Research Group founded a new division known as ERG Lighting, which designs, manufactures, and distributes LED drivers and other lighting accessories for a variety of solid state lighting markets.