From Lexicanum

The Orders Militant are the fighting wing of the Adepta Sororitas and are sometimes known as the Sisters of Battle. They make up the bulk of the Adepta Sororitas and are most often joined to the Ecclesiarchy to wage religious war although they can also be utilized by the Witch Hunters.^1-p19

The Orders Militant (Convent Sanctorum)

• Order of the Bloody Rose
• Order of Our Martyred Lady
• Order of the Valorous Heart

The Orders Militant (Convent Prioris)

• Order of the Sacred Rose
• Order of the Ebon Chalace
• Order of the Argent Shroud

Sources

• Codex: Sisters of Battle (2nd Edition)