HAWTHORNE, Calif.--(BUSINESS WIRE)--OSI Systems, Inc. (NASDAQ: OSIS) today announced that it will be presenting at the 27th Annual Roth Conference on Tuesday, March 10 at 8:30AM PT. To listen to the live web cast of the presentation, please visit the investor relations section of the OSI Systems website and follow the link from the front page. About OSI Systems, Inc. OSI Systems, Inc. is a vertically integrated designer and manufacturer of specialized electronic systems and components for criti