Unagented Submissions

For a list of publishers accepting unagented submissions of crime / mystery / thriller / suspense novels, see https://publishedtodeath.blogspot.com/search/label/mystery

These independent publishers of mystery / thriller / detective novels are open to unagented submissions:
Felony and Mayhem https://felonyandmayhem.com/pages/submissions
Crooked Lane https://crookedlanebooks.com/submissions/
Level Best https://www.levelbestbooks.us/submissions.html
Seventh Street https://www.seventhstreetbooks.com/submission-guidelines/