During her adventures Lara meets quite a few sinister Organizations or Syndicates.
The first ones she met were the Fiamma Nera in Tomb Raider II. In Chronicles Lara will have an encounter with members of the Russian Mafia. In The Angel of Darkness Lara has to deal with the Cabal and she will also come in contact with the Lux Veritatis.
In Tomb Raider Legend she will meet the Yakuza.
In Tomb Raider (2013) a mysterious new organization is introduced: the Trinity.
Like in Tomb Raider Legend Lara will encounter the Yakuza in Comic Issue 13.
She will also have an encounter with the Midnight Squire.
In the first movie, Lara Croft: Tomb Raider, Lara has to deal with the Illuminati.
In the movie The Cradle of Life Lara meets the Shay-Ling who steal an artefact, the Orb, from her.