A corporation that deals with trading and 'requests'. They have businesses set up in the Liminal Plane and in The Vestige. Their main headquarters is located in The Vestige.
Each employee has a designated role assigned to them. They get a pass which can allow the employees to freely go from their base of operations to the main headquarters.
The Consortium [for later]
Entities that wander the Liminal Plane. Some are stuck to one area while some others can travel to different planes. They can never go to The Vestige. They are a mixed bag of hostile, neutral, or friendly. If you're stuck here, you can never get out.
Entities that act similar to humans. They have some abnormal qualities to them but they look relatively human like. They have normal jobs or occupations. These entities were created or born in The Vestige through other entities originating from there.