It's no easy task to track former NC State baseball players in the professional ranks. These are the guys I have found who are currently in big league camps. If you know of more, please add them:
P Jake Buchanan, Houston Astros
P Cory Mazzoni, New York Mets
P Eric Surkamp, Chicago White Sox
P Nate Karns (finished career at Texas Tech), Tampa Bay Rays
SS Jonathan Diaz, Toronto Blue Jays * - non-roster invitee
In big league camp according to reports, but not on 40-man rosters:
P Carlos Rodon, Chicago White Sox
SS Trea Turner, San Diego Padres
P Jake Buchanan, Houston Astros
P Cory Mazzoni, New York Mets
P Eric Surkamp, Chicago White Sox
P Nate Karns (finished career at Texas Tech), Tampa Bay Rays
SS Jonathan Diaz, Toronto Blue Jays * - non-roster invitee
In big league camp according to reports, but not on 40-man rosters:
P Carlos Rodon, Chicago White Sox
SS Trea Turner, San Diego Padres