Ok, let's try to keep things organised…

Gangs

The Dogs
The Jack
Flames
Zephyrs
Columbine
Brutes
Flesh eater
Sons of Unity

Locations (city)

Locations (Establishements)

Corp Enclaves

Zem Chemical
Knight Errand Central

Magical Stuff (home-brew, house rules and most likely breaks the game!) 

Shango eratta
Ogun eratta
Gems Artefact
Fire user
Electric user
Golem
Underworld user
Luck Stealer
Soul Blade
Wraith
Fixed powers
Book of Truth