Exhibit 21
ROCKWELL AUTOMATION, INC.
LIST OF SUBSIDIARIES OF THE COMPANY
AS OF SEPTEMBER 30, 2007
| Percentage of Voting Securities Owned By | ||||||
Name and Jurisdiction | Registrant | Subsidiary | ||||
Allen-Bradley Company (Nevada) | 100 | % | ||||
Allen-Bradley Technical Services, Inc. (Wisconsin) | 100 | % | ||||
Anorad Corporation (New York) | 100 | % | ||||
Anorad Europe BV (Netherlands) | 100 | % | ||||
Anorad Israel Ltd. (Israel) | 100 | % | ||||
ATW Properties (Pty.) Ltd. (South Africa) | 100 | % | ||||
Black Gauntlet Limited (England) | 100 | % | ||||
EJA Engineering Ltd. (England) | 100 | % | ||||
EJA Limited (England) | 100 | % | ||||
Federal Pacific Electric Co. (Delaware) | 100 | % | ||||
Functional Safety Consultancy Limited (United Kingdom) | 100 | % | ||||
GEPA Gesellschaft fur ProzeBautomation und PC-Anwendungen mbH (Germany) | 100 | % | ||||
Goss Processing Systems, Inc. (Delaware) | 100 | % | ||||
GP-Elliott Electronic Systems Limited (United Kingdom) | 100 | % | ||||
Grupo Industrias Reliance S.A. de C.V. (Mexico) | 100 | % | ||||
ICS Middle East Company With Limited Liability (United Arab Emirates — Abu Dhabi) | 100 | % | ||||
ICS Properties Limited (United Kingdom) | 100 | % | ||||
ICS Territory Management Limited (United Kingdom – Jersey) | 100 | % | ||||
ICS Triplex (AP) Limited (United Kingdom) | 100 | % | ||||
ICS Triplex (Asia Pacific) pty Limited (Australia) | 100 | % | ||||
ICS Triplex (EMEA) plc (United Kingdom) | 100 | % | ||||
ICS Triplex France SA (France) | 100 | % | ||||
ICS Triplex Holdings Inc. (Delaware) | 100 | % | ||||
ICS Triplex Inc. (Texas) | 100 | % | ||||
ICS Triplex ISaGRAF Inc. (Canada) | 100 | % | ||||
ICS Triplex plc (United Kingdom) | 100 | % | ||||
ICS Triplex pte Ltd (Singapore) | 100 | % | ||||
ICS Triplex Silvertech Inc. (Delaware) | 100 | % | ||||
ICS Triplex Silvertech Limited (United Kingdom) | 50 | % | 50 | % | ||
ICS Triplex srl (Italy) | 100 | % | ||||
ICS Triplex Technology Limited (United Kingdom) | 100 | % | ||||
ICS Triplex Technology Overseas Limited (United Kingdom) | 100 | % | ||||
Industrial Control Services Group Limited (United Kingdom) | 100 | % | ||||
Industrias Reliance S.A. de C.V. (Mexico) | 100 | % | ||||
ISaGRAF (France) | 100 | % | ||||
Nuad Corporation (Delaware) | 100 | % | ||||
Proscon Holdings Ltd (Ireland) | 100 | % | ||||
Proscon Ltd. (Ireland) | 100 | % | ||||
PT Rockwell Automation Indonesia (Indonesia) | 100 | % | ||||
| Percentage of Voting Securities Owned By | ||||||
Name and Jurisdiction | Registrant | Subsidiary | ||||
Rockwell Automation (Malaysia) SDN. BHD. (Malaysia) | 100 | % | ||||
Rockwell Automation (N.Z.) Ltd. (New Zealand) | 100 | % | ||||
Rockwell Automation (Philippines) Inc. (Philippines) | 100 | % | ||||
Rockwell Automation (Proprietary) Ltd. (South Africa) | 100 | % | ||||
Rockwell Automation (Xiamen) Ltd. (China) | 100 | % | ||||
Rockwell Automation A.B. (Sweden) | 100 | % | ||||
Rockwell Automation A.G. (Switzerland) | 100 | % | ||||
Rockwell Automation A/S (Denmark) | 100 | % | ||||
Rockwell Automation Argentina S.A. (Argentina) | 100 | % | ||||
Rockwell Automation Asia Pacific Limited (Hong Kong) | 96.52 | % | 3.48 | % | ||
Rockwell Automation Asia Pacific Business Center PTE. (Singapore) | 100 | % | ||||
Rockwell Automation Australia Ltd. (Australia) | 100 | % | ||||
Rockwell Automation B.V. (Netherlands) | 100 | % | ||||
Rockwell Automation Canada Control Systems (Canada) | 100 | % | ||||
Rockwell Automation Canada Holdings ULC (Canada) | 89 | % | 11 | % | ||
Rockwell Automation Canada Inc. (Canada) | 100 | % | ||||
Rockwell Automation Canada Nova Scotia Co. (Canada) | 100 | % | ||||
Rockwell Automation Caribbean Holdings, LLP (Delaware) | 100 | % | ||||
Rockwell Automation Caribbean LLP (Puerto Rico) | 100 | % | ||||
Rockwell Automation Chile S. A. (Chile) | 100 | % | ||||
Rockwell Automation Control Solutions (Shanghai) Company, Ltd. | 100 | % | ||||
Rockwell Automation Control Systems (Shanghai) Company Limited (China) | 100 | % | ||||
Rockwell Automation de Mexico S.A. de C.V. (Mexico) | 100 | % | ||||
Rockwell Automation de Peru S.A. (Peru) | 100 | % | ||||
Rockwell Automation de Venezuela, C.A. (Venezuela) | 100 | % | ||||
Rockwell Automation do Brasil Ltda. (Brazil) | 100 | % | ||||
Rockwell Automation Europe B.V. (Netherlands) | 100 | % | ||||
Rockwell Automation European Headquarters S.A./N.V. (Belgium) | 0.04 | % | 99.96 | % | ||
Rockwell Automation Finland Oy (Finland) | 100 | % | ||||
Rockwell Automation G.m.b.H. & Co. KG (Germany) | 100 | % | ||||
Rockwell Automation Germany GmbH (Germany) | 100 | % | ||||
Rockwell Automation GesmbH (Austria) | 100 | % | ||||
Rockwell Automation Guatemala, Limitada (Guatemala) | 100 | % | ||||
Rockwell Automation Holdings B.V. (Netherlands) | 100 | % | ||||
Rockwell Automation Holdings GmbH (Germany) | 100 | % | ||||
Rockwell Automation Holdings, Inc. (Delaware) | 100 | % | ||||
Rockwell Automation India Ltd. (India) | 100 | % | ||||
Rockwell Automation International Holdings LLC (Delaware) | 89 | % | 11 | % | ||
Rockwell Automation Japan Co., Ltd. (Japan) | 100 | % | ||||
Rockwell Automation Korea Ltd (Korea) | 100 | % | ||||
Rockwell Automation Limitada (Portugal) | 100 | % | ||||
Rockwell Automation Limited (Ireland) | 100 | % | ||||
Rockwell Automation Limited. (England) | 100 | % | ||||
Rockwell Automation Manufacturing (Shanghai) Limited (China) | 100 | % | ||||
Rockwell Automation of Ohio, Inc. (Ohio) | 100 | % | ||||
Rockwell Automation Puerto Rico, Inc. (Puerto Rico) | 100 | % | ||||
| Percentage of Voting Securities Owned By | ||||||
Name and Jurisdiction | Registrant | Subsidiary | ||||
Rockwell Automation Research (Shanghai) Company Limited (China) | 100 | % | ||||
Rockwell Automation S.A. (Spain) | 100 | % | ||||
Rockwell Automation S.A./ N.V. (Belgium) | 100 | % | ||||
Rockwell Automation S.r.l. (Italy) | 100 | % | ||||
Rockwell Automation s.r.o. (Czech Republic) | 100 | % | ||||
Rockwell Automation Sales Company, LLC (Delaware) | 100 | % | ||||
Rockwell Automation SAS (France) | 100 | % | ||||
Rockwell Automation Services s.r.o. (Czech Republic) | 100 | % | ||||
Rockwell Automation Slovakia s.r.o. (Slovakia) | 100 | % | ||||
Rockwell Automation Solutions G.m.b.H. (Germany) | 100 | % | ||||
Rockwell Automation Southeast Asia Pte. Ltd. (Singapore) | 100 | % | ||||
Rockwell Automation Sp.z.o.o. (Poland) | 100 | % | ||||
Rockwell Automation Taiwan Co., Ltd. (Taiwan) | 100 | % | ||||
Rockwell Automation Technologies, Inc. (Ohio) | 100 | % | ||||
Rockwell Automation Thai Co. Ltd. (Thailand) | 100 | % | ||||
Rockwell Automation Trinidad and Tobago Unlimited (Trinidad and Tobago) | 100 | % | ||||
Rockwell Automation, Inc. (South Dakota) | 100 | % | ||||
Rockwell Columbia S.A. (Columbia) | 100 | % | ||||
Rockwell Comercio e Servicos de Automacao Ltda. (Brazil) | 100 | % | ||||
Rockwell European Holdings Ltd. (England) | 89 | % | 11 | % | ||
Rockwell FSC Ltd. (Barbados) | ||||||
Rockwell International Limited (England) | 100 | % | ||||
Rockwell International GmbH (Germany) | 100 | % | ||||
Rockwell International Overseas Corporation (Delaware) | 100 | % | ||||
Rockwell International Pension Trustees Limited (England) | 100 | % | ||||
Rockwell Otomasyon Ticaret A.S. (Turkey) | 100 | % | ||||
Rockwell Automation Korea Ltd. (Korea) | 100 | % | ||||
Rockwell Services, Inc. (Delaware) | 100 | % | ||||
Rockwell Tecate S.A. de C.V. (Mexico) | 99 | % | 1 | % | ||
ROK III Acquisition Corporation (Delaware) | 100 | % | ||||
Semitech Hydraulic Systems Pte Ltd. (Singapore) | 100 | % | ||||
Semitech Singapore Ptd Ltd. (Singapore) | 100 | % | ||||
Silvertech Americas Limited (United Kingdom) | 100 | % | ||||
Silvertech Limited (United Kingdom) | 100 | % | ||||
Silvertech Middle East FZCO (United Arab Emigrates – Dubai) | 100 | % | ||||
Siralop Limited (England) | 100 | % | ||||
Sprecher & Schuh, Inc. (New York) | 100 | % | ||||
Vermont Reserve Insurance Company (Vermont) | 100 | % | ||||
W Interconnections Canada Inc. (Canada) | 100 | % | ||||
W Interconnections S.A. de C.V. (Mexico) | 100 | % | ||||
W Interconnections, Inc. (Delaware) | 100 | % | ||||
Listed above are the subsidiaries included in our consolidated financial statements. This list does not include subsidiaries over which we do not have a controlling financial interest. These excluded subsidiaries, considered in the aggregate, do not constitute a significant subsidiary.