 Orion Energy Systems, Inc. NASDAQ: OESX has acquired Stay-Lite Lighting, a nationwide lighting, and electrical maintenance service provider, for a cash purchase price of 3.7 million, subject to closing adjustments. In addition, based on the relative gross profit growth of Stay-Lite Lightings legacy business over the next two calendar years, Orion could pay up to an additional 0.70 million in earn-out. 