Crystal Security
From Halopedia, the Halo wiki
Crystal Security is a UNSC business, actually the front of a crime oraganization led by Monster Ann. After one of the criminals, Thin Kinkle, kills James James, his daughter Janissary James launched an assault on the Crystal Security building to hunt down Kinkle. She gave the various guards she and her allies encountered a choice: die or join the Navy; all promised to enlist.
