Motorola is updating the Moto X Style, Moto X Play, Moto X Force, Moto G 2015, Moto G 2014, Moto E (2nd gen), Moto X 2014, Moto MAXX, Moto Turbo, Moto X Pure Edition (2015), Droid Turbo 2, Droid Maxx 2 and Nexus 6.
Marshmallow will also come to the 2014 version of the Moto X Pure Edition and the Droid Turbo.
The company has also confirmed that the Huawei P8, Huawei P8 Max, Mate S, Ascend Mate 7, P8 Youth Edition, G7, G7 Plus, X2, 4X and Play 4C will be getting Android 6.0 at some point, but there's no word on an official date yet.
The OnePlus One has received its own version of Android 6 Marshmallow in the form of Cyanogen OS 13, while the OnePlus 2 is also getting it as part of an OxygenOS 3.0.2 software update. Plus the OnePlus X is now getting the update to OxygenOS 3.1.3.
The OnePlus 3 launched with Android Marshmallow software already on board.
The BlackBerry DTEK50 is already running Marshmallow, while the BlackBerry Priv - the first phone from the Canadian manufacturer to feature Android software - has been treated to the Marshmallowy goodness too.
Asus is another company which often isn't particularly speedy with its updates. It has now given updates to the ZenFone 2, ZenFone 2 Deluxe, ZenFone 2 Deluxe Special Edition and the ZenFone 2 Laser. Now the ZenFone Selfie and ZenFone Zoom are getting the update too.
Asus has confirmed to TechRadar the PadFone S and ZenFone Max are all set to get the update to Android 6 and we're hopeful it will launch very soon.
Honor has revealed its update schedule for Marshmallow and it's not going to be long now. The Honor 7 is already getting the update, while Honor 6 users in India are also receiving it. Honor has released the update for Honor 5X, but it's just in the US for now.
ZTE doesn't always bother to update its phones, so if you have one you may have to make do without Android Marshmallow. The ZTE ZMax Pro launched with Marshmallow on board while the ZTE Axon Pro is getting the upgrade at the moment.
If you own the ZTE ZMax 2 from 2015 on AT&T, you'll also be getting the upgrade to Android Marshmallow very soon. Apart from those phones, ZTE doesn't seem to have any other plans to update its devices.
The Nvidia Shield Tablet ATV has already received the Android 6 Marshmallow update. The Shield Tablet K1 and the original Shield tablet have also started getting it.
Nextbit currently has one phone, the Nextbit Robin, and while it launched in February with Android Lollipop it has now been updated to Android Marshmallow.