. . . EXHIBIT 21.1 BAKER HUGHES INCORPORATED SIGNIFICANT SUBSIDIARIES December 31, 2003 PERCENTAGE SUBSIDIARY JURISDICTION OWNERSHIP ---------- ------------ --------- Western Atlas Inc. Delaware 100% Baker Hughes Financing Company Delaware 100% Baker Hughes Oilfield Operations, Inc. California (1) Baker Hughes International Branches, Inc. Delaware (2) Baker Hughes EHHC, Inc. Delaware 100% Baker Hughes GmbH Austria 100% Baker Hughes (Deutschland) Holding GmbH Germany 100% Baker Hughes (Deutschland) GmbH Germany 100% Baker Hughes INTEQ GmbH Germany 100% Baker Hughes Asia Pacific Ltd. Cayman Islands 100% Baker Hughes EHO Ltd. Bermuda 100% Baker Hughes Limited England 100% Baker Hughes Nederland Holdings B.V. The Netherlands 100% Baker Hughes Canada Holdings B.V. The Netherlands 100% Baker Hughes Canada Company Nova Scotia 100% JDI International Leasing Limited Cayman Islands 100% Baker Hughes Espana, S.L. Spain 100% Baker Hughes SRL Venezuela 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. 93.98% Other subsidiaries 6.02% (2) Baker Hughes International Branches, Inc. Baker Hughes Oilfield Operations, Inc. 96.65% Other subsidiaries 3.35%