Cartesian Holdings is a holding company created by Thraldrek in 2019. The multinational organization held property and resources in multiple nations on the CivClassic server. The company has also seen activity in the CivRealms 2.0 sever.
The creation of this holding company became necessary in late 2019 under the direction and leadership of Thraldrek. The original headquarters of Cartesian Holdings was in the southern tip of Mount Augusta (which became South Augusta later on). The original headquarters can still be seen today beside the port Thraldrek dug in South Augusta (CivLegacy).