MANITOWOC, Wis.--(BUSINESS WIRE)--Orion Energy Systems, Inc. (Nasdaq: OESX), a leading designer and manufacturer of high-performance, energy-efficient retrofit lighting platforms, today announced that John Scribante, Chief Executive Officer, and Scott Jensen, Chief Financial Officer, will be presenting at two upcoming investor conferences. Mr. Scribante and Mr. Jensen will present at the Midwest IDEAS Investor Conference on August 26, 2015 at 4:10 PM ET at the Hard Rock Hotel in Chicago. In add