1 BAKER HUGHES INCORPORATED EXHIBIT 21 PERCENTAGE PERCENTAGE JURISDICTION OR OWNED BY OWNED BY NAME OF SIGNIFICANT SUBSIDIARIES ORGANIZATION REGISTRANT SUBSIDIARY -------------------------------- --------------- ---------- ---------- WESTERN ATLAS INC. DELAWARE 100% Baker Hughes Financing Company Delaware 100% Baker Hughes Oilfield Operations, Inc. California (1) Baker Canada Holding, Inc. Delaware (2) Baker Hughes (Canada) Holding Company, Inc. Nova Scotia 100% Baker Hughes Canada Inc. Nova Scotia 100% Baker Hughes International Branches, Inc. Delaware (3) Baker Hughes EHHC, Inc. Delaware 100% Baker Hughes GmbH Austria 100% Baker Hughes Asia Pacific Ltd. Cayman Islands 100% Baker Hughes Espana Srl Spain 100% Baker Hughes Limited England 100% Baker Hughes Nederland Holdings B.V. The Netherlands 100% JDI International Leasing Limited Cayman Islands 100% Baker Process, Inc. Delaware 100% Western Research Holdings, Inc. Delaware 100% Western Atlas International, Inc. Delaware 100% Wm. S. Barnickel & Company Missouri 100% Baker Petrolite Corporation Delaware 100% (1) Baker Hughes Oilfield Operations, Inc. Western Atlas Inc. - 99.64% Other subsidiaries - .36% (2) Baker Canada Holding, Inc. Baker Hughes International Branches, Inc. - 11.47% Baker Hughes Oilfield Operations, Inc. - 64.10% Baker Hughes World Trade, Inc. - 2.47% Baker Petrolite Corporation - 15.58% Baker Process, Inc. - 6.38% (3) Baker Hughes International Branches, Inc. Baker Hughes Oilfield Operations, Inc. - 94.25% Other subsidiaries - 5.75%