Entrepreneurs from the Triad are among 24 finalists from five states in the Southeast round of the Ernst & Young Entrepreneur of the Year Award for 2014. The three from the Triad are: Mort O'Sullivan of Mebane-based ARCA, Brian Simpson of CommunityOne Bank in Asheboro and Steven Tanger of Tanger Factory Outlet Centers in Greensboro. ARCA is a technology company that makes cash automation systems for banks and other institutions. O'Sullivan founded the company when he was 26 years old, and ARCA…