There are 5 unique codex entries in the Organizations section on Dromund Kaas. They are accessible to all Imperial players regardless of class.
Grathan Forces is obtained from interacting with a Clickable Detonator.
Codex type: Organizations | Faction: Imperial | Class: All
Associated Achievement: None
Hadra Forces is obtained from interacting with a Clickable Detonator.
Codex type: Organizations | Faction: Imperial | Class: All
Associated Achievement: None
Mandalorians is obtained from interacting with a Clickable Banner.
Codex type: Organizations | Faction: Imperial | Class: All
Associated Achievement: None
Rebelling Slaves is obtained from speaking with Sergeant Torken during "Lightning in a Bottle" mission.
Codex type: Organizations | Faction: Imperial | Class: All
Associated Achievement: None
Revanites is obtained from speaking with Sandor during "The Master's Secret" mission.
Codex type: Organizations | Faction: Imperial | Class: All
Associated Achievement: None