chuk Union GmbH (In liquidation) Marl 100.00 Studlengesellschaft Kohle mbH Mülheim 84.18 Other countries EGL Ltd. Milton Keynes (UK) 100.00 Evonik Guatemala, S.A. Guatemala City (Guatemala) 100.00 Evonik International Costa Rica, S.A. Santa Ma (Costa Rica) 100.00 Laporte Chemicals Ltd. Milton Keyne