de C.V. Mexico City (Mexico) 100.00 Evonik Oil Additives Asia Pacific Pte. Ltd. Singapore (Singapore) 100.00 Evonik Oil Additives Canada Inc. Morrisburg (Canada) 100.00 Evonik Oil Additives SAS. Lauterbourg (Rance) 100.00 Evonik Oil Additives USA, Inc. Horsham (Pennsylvania, USA) 100.00 Evonik Oxeno A