I think this is the updated list of non-picked players, includes recent player updates (e.g. Worker retired, Doug Bracewell turning down CD contract)
Northern Districts Cricket
Josh Brown, Joe Carter, Katene Clarke, Henry Cooper, Matthew Fisher, Scott Johnston, Fergus Lellman, Ben Pomare, Bharat Popli, Snehith Reddy, Jeet Raval, Neil Wagner, Freddy Walker
Auckland Cricket
Louis Delport, Danru Ferns, Cam Fletcher, Matt Gibson, Bevon-John Jacobs, Harjot Johal, Simon Keene, Ben Lister, Jock McKenzie, Will O’Donnell, Angus Olliver, Mike Sclanders, Quinn Sunde, Jordan Sussex
Central Districts Cricket
Jack Boyle, Will Clark, Dane Cleaver, Joey Field, Mason Hughes, Jayden Lennox, Angus Schaw, Brad Schmulian, Ewald Schreuder, Blair Tickner
Cricket Wellington
Liam Dudding, Nick Greenwood, James Hartshorn, Troy Johnson, Nick Kelly, Callum McLachlan, Iain McPeake, Sam Mycock, Tim Robinson, Gareth Severin, Michael Snedden, Peter Younghusband, Logan van Beek
Canterbury Cricket
Chad Bowes, Matt Boyle, Sean Davey, Rhys Mariu, Kenny McClure, Cole McConchie, Angus McKenzie, Edward Nuttall, Cam Paul, Matt Rowe, Fraser Sheat, Henry Shipley
Otago Cricket
Matt Bacon, Leo Carter, Jacob Cumming, Dean Foxcroft, Jake Gibson, Andrew Hazeldine, Llew Johnson, Ben Lockrose, Jarrod McKay, Travis Muller, Thorn Parkes, Jamal Todd
BLACKCAPS central contracts
Tom Blundell (W), Michael Bracewell (W), Josh Clarkson (CD), Kyle Jamieson (C), Ajaz Patel (CD), Mitchell Santner (ND), Ish Sodhi (C), Tim Southee (ND)
BLACKCAPS / Domestic contracts declined - looking for T20 overseas contracts
Finn Allen (ex NZ), Jimmy Neesham (ex A), Scott Kuggeleijn (ex ND), Tim Seifert (ex ND), Doug Bracewell (ex CD)