Energy Focus, Inc. is a provider of sustainable light-emitting diode (LED) lighting and lighting control technologies and solutions. The Company develops, markets and sells LED lighting and controls products in the commercial market and military maritime market (MMM). It develops LED lighting products and controls that provide extensive energy and maintenance savings, as well as aesthetics, safety, health and sustainability benefits over conventional lighting. It specializes in LED lighting retrofit by replacing fluorescent, high-intensity discharge lighting and other types of lamps in institutional buildings for primarily indoor lighting applications with its commercial and military-grade tubular LED (TLED) products, as well as other LED and lighting control products for commercial applications. The Company is also evaluating adjacent technologies including Gallium Nitride (GaN)-based power supplies and additional market opportunities for energy solution products.