The Night Ops armor was a modified variant of the Mark ll Commando armor. It was typically used during stealth incursions, but Atin of Omega squad usually wore Night Ops armor even when on regular missions.
The troopers of the 212th attack battalion served in many notable battles throughout the clone wars including the battle of Umbara, the Ryloth campaign, and the first and second battle of Geonosis and many others.
The Kamino security was a battalion believed to be permanently stationed on the clone homeworld of Kamino. Their armor was not unlike that of the Coruscant Guard armor but featured a grey color scheme, as well as the Kaminoan symbol on the shoulder pads.
The Bad Batch, or more formally known as Clone Force 99 is an elite commando squad that served with the Special Operations Brigade within Grand army of the Republic until they defected from the Republic shortly after it became the Galactic Empire.
This set is a more unique unit due to it being hardly ever mentioned in Star wars. The Inferno troopers were the precursors to Inferno Squad led by Iden Versio during the Galactic Empire. They were also rumored to be part of the 91st Reconnaissance Corps.