Lauterbourg (Rance) 100.00 Evonik Oil Additives USA, Inc. Horsham (Pennsylvania, USA) 100.00 Evonik Oxeno Antwerpen. Antwerp (Belgium) 100.00 Evonik Para-Chemie GmbH Gramatneusiedl (Austria) 99.00 Evonik Pension Scheme Trustee Limited Milton Keynes (UK) 100.00 Evonik Peroxid GmbH Weissenstein (Austria) 100