Police conducted operations in Istanbul, Ankara and Izmit based on new evidence in the investigation.
Nine of the suspects were arrested, 18 are believed to have fled Turkey and the remaining eight are being hunted.
A total of 53 journalists have been arrested as a part of a coup attempt probe, according to the Istanbul-based Platform for Independent Journalism.
On Monday, police detained 136 suspects in raids on offices at three Istanbul courthouses after detention warrants were issued for 173 judicial personnel over the failed coup attempt, Xinhua reported.
Following the July 15 coup attempt, around 26,000 people with links to FETO have been arrested across Turkey.
Senior business figures as well as military, police, judges, prosecutors and teachers have been among those targeted.