Energy Focus Inc engages in the design, development, manufacturing, marketing, and sale of energy-efficient lighting systems and controls. It serves the military maritime market and general commercial markets. Its product offerings include Military maritime LED lighting products such as military intelligible, globe lights, berth lights, and military fixtures and Commercial products such as LED fixtures and panels, LED down-lights, LED dock lights, wall-packs, and LED retrofit kits. Geographically, it operates in the United States and other countries. Its products include commercial products and MMM products. It generates a majority of its sales from Military maritime products in the United States.