Exhibit 21
ROCKWELL AUTOMATION, INC.
LIST OF SUBSIDIARIES OF THE COMPANY
AS OF SEPTEMBER 30, 2010
AS OF SEPTEMBER 30, 2010
| Percentage of Voting | ||||||||||
| Securities Owned By | ||||||||||
| Name | 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 | % | |||||||
| Black Gauntlet Ltd | England | 100 | % | |||||||
| CEDES Safety & Automation AG | Switzerland | 100 | % | |||||||
| EJA Engineering Ltd | England | 100 | % | |||||||
| EJA Limited | England | 100 | % | |||||||
| Federal Pacific Electric Co. | Delaware | 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 Triplex (Asia Pacific) pty Limited | Australia | 100 | % | |||||||
| ICS Triplex (EMEA) Limited | United Kingdom | 100 | % | |||||||
| ICS Triplex Inc. | Texas | 100 | % | |||||||
| ICS Triplex ISaGRAF Inc. | Canada | 100 | % | |||||||
| ICS Triplex plc | United Kingdom | 100 | % | |||||||
| ICS Triplex Silvertech Limited | United Kingdom | 100 | % | |||||||
| ICS Triplex Technology Limited | United Kingdom | 100 | % | |||||||
| Industrial Control Services Group Limited | United Kingdom | 100 | % | |||||||
| Industrias Reliance S.A. de C.V. | Mexico | 100 | % | |||||||
| Limited Liability Company Rockwell Automation | Russia | 100 | % | |||||||
| Nuad Corporation | Delaware | 100 | % | |||||||
| Proscon Holdings Ltd | Ireland | 100 | % | |||||||
| Proscon Ltd. | Ireland | 100 | % | |||||||
| PT Rockwell Automation Indonesia | Indonesia | 100 | % | |||||||
| Rockwell Automation N.V. | Belgium | 100 | % | |||||||
| Rockwell Automation (China) Co., Ltd | China | 100 | % | |||||||
| Rockwell Automation (Malaysia) SDN. BHD. | Malaysia | 100 | % | |||||||
| Rockwell Automation (N.Z.) Ltd. | New Zealand | 100 | % | |||||||
| Percentage of Voting | ||||||||||
| Securities Owned By | ||||||||||
| Name | Jurisdiction | Registrant | Subsidiary | |||||||
| 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 Business Center PTE. Ltd. | Singapore | 100 | % | |||||||
| Rockwell Automation Asia Pacific Limited | Hong Kong | 96.52 | % | 3.48 | % | |||||
| Rockwell Automation Australia Ltd. | Australia | 100 | % | |||||||
| Rockwell Automation B.V. | Netherlands | 100 | % | |||||||
| Rockwell Automation Bolivia Srl | Bolivia | 100 | % | |||||||
| Rockwell Automation Canada Control Systems | Canada | 100 | % | |||||||
| 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) Co. Ltd. | 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 Ecuador Compania Limitada | Ecuador | 100 | % | |||||||
| Rockwell Automation Europe B.V. | Netherlands | 100 | % | |||||||
| Rockwell Automation Finland Oy | Finland | 100 | % | |||||||
| Rockwell Automation G.m.b.H. | Germany | 100 | % | |||||||
| Rockwell Automation Germany G.m.b.H.& Co. KG | Germany | 100 | % | |||||||
| Rockwell Automation GesmbH | Austria | 100 | % | |||||||
| Rockwell Automation Guatemala, Limitada | Guatemala | 100 | % | |||||||
| Rockwell Automation Holdings B.V. | Netherlands | 100 | % | |||||||
| Rockwell Automation Holdings G.m.b.H. | Germany | 100 | % | |||||||
| Rockwell Automation Holdings, Inc. | Delaware | 100 | % | |||||||
| Rockwell Automation India Private Ltd. | India | 100 | % | |||||||
| Rockwell Automation International Holdings LLC | Delaware | 100 | % | |||||||
| 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 Monterrey Manufacturing S de RL de CV | Mexico | 100 | % | |||||||
| Rockwell Automation Monterrey Services S de RL de CV | Mexico | 100 | % | |||||||
| Rockwell Automation of Ohio, Inc. | Ohio | 100 | % | |||||||
| Rockwell Automation Panama, S.A. | Panama | 100 | % | |||||||
| Rockwell Automation Puerto Rico, Inc. | Puerto Rico | 100 | % | |||||||
| Rockwell Automation S.A. | Spain | 100 | % | |||||||
| Rockwell Automation S.r.l. | Italy | 100 | % | |||||||
| Rockwell Automation s.r.o. | Czech Republic | 100 | % | |||||||
| Percentage of Voting | ||||||||||
| Securities Owned By | ||||||||||
| Name | Jurisdiction | Registrant | Subsidiary | |||||||
| Rockwell Automation Sales Company, LLC | Delaware | 100 | % | |||||||
| Rockwell Automation SAS | France | 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 Uruguay, Srl | Uruguay | 100 | % | |||||||
| Rockwell Automation, Inc. | South Dakota | 100 | % | |||||||
| Rockwell Colombia S.A. | Colombia | 100 | % | |||||||
| Rockwell Commercial Holdings, Ltd. | United Kingdom | 100 | % | |||||||
| Rockwell Comercio e Servicos de Automacao Ltda. | Brazil | 100 | % | |||||||
| Rockwell European Holdings Ltd. | England | 100 | % | |||||||
| Rockwell International | England | 100 | % | |||||||
| Rockwell Otomasyon Ticaret A.S. | Turkey | 100 | % | |||||||
| Rockwell Services, Inc. | Delaware | 100 | % | |||||||
| Rockwell Tecate S.A. de C.V. | Mexico | 99 | % | 1 | % | |||||
| ROK III Acquisition Corporation | Delaware | 100 | % | |||||||
| RSC Portfolio LLC | Delaware | 50 | % | |||||||
| Silvertech Middle East FZCO | United Arab Emirates -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 | % | |||||||
| Xi’an Hengsheng Industrial Automation Company Limited | China | 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.