| | | |
| | | Jurisdiction of
|
| | | Incorporation |
| |
| Altra Holdings | | Delaware |
| Forest Acquisition Corporation | | Delaware |
| Altra Industrial Motion, Inc. | | Delaware |
| American Enterprises MPT Corp. | | Delaware |
| American Enterprises MPT Holdings LLC | | Delaware |
| Ameridrives International LLC | | Delaware |
| Formsprag LLC | | Delaware |
| Nuttall Gear LLC | | Delaware |
| Warner Electric LLC | | Delaware |
| Warner Electric Technology LLC | | Delaware |
| Boston Gear LLC | | Delaware |
| Kilian Manufacturing Company | | Delaware |
| 3091780 Nova Scotia Company | | Nova Scotia, Canada |
| Kilian Canada ULC | | Nova Scotia, Canada |
| Warner Electric International Holding, Inc. | | Delaware |
| Warner Electric (Holding) SAS | | France |
| Warner Electric Europe SAS | | France |
| Warner Electric Group GmbH | | Germany |
| Warner Electric Verwaltungs GmbH | | Germany |
| Stieber GmbH | | Germany |
| Warner Electric (Neth) Holding, B.V. | | Netherlands |
| Warner Electric Australia Pty. Ltd. | | Australia |
| Warner Shui Hing Limited, (HK) | | Hong Kong |
| Warner Electric (Singapore), Ltd. | | Singapore |
| Warner Electric (Taiwan) Ltd. | | Taiwan |
| Warner Electric (Thailand) Ltd. | | Thailand |
| Warner Electric UK Group Ltd. | | United Kingdom |
| Warner Electric UK Holding, Ltd. | | United Kingdom |
| Wichita Company Ltd. | | United Kingdom |
| Hay Hall Holdings Limited | | United Kingdom |
| The Hay Hall Group Limited | | United Kingdom |
| Matrix International, Ltd. | | United Kingdom |
| Matrix International GmbH | | Germany |
| Inertia Dynamics, LLC | | Delaware |
| Bibby Group Ltd. | | United Kingdom |
| Bibby Transmissions Ltd. | | United Kingdom |
| Bibby Turboflex SA | | South Africa |
| Turboflex Ltd | | United Kingdom |
| Torsiflex, Ltd. | | United Kingdom |
| Rathi Turboflex Pty Ltd | | India |
| Huco Power Transmission, Ltd. | | United Kingdom |
| Huco Engineering Industries Ltd. | | United Kingdom |
| Dynatork Air Motors Ltd. | | United Kingdom |
| Dynatork, Ltd. | | United Kingdom |
| Twiflex Ltd. | | United Kingdom |
| Safetek Ltd. | | United Kingdom |
