| State or Country | ||||||||
| Subsidiary | of Incorporation | |||||||
Cactus Acquisitions LLC | Delaware | |||||||
Cactus Companies, LLC | Delaware | |||||||
Cactus Wellhead, LLC | Delaware | |||||||
Cactus Wellhead (Suzhou) Pressure Control Co., Ltd. | China | |||||||
Cactus Wellhead Australia Pty, Ltd | Australia | |||||||
Cactus Wellhead International I, LLC | Delaware | |||||||
| Cactus Wellhead Vietnam Limited Company | Vietnam | |||||||
FlexSteel Holdings, LLC | Delaware | |||||||
| FlexSteel USA, LLC | Nevada | |||||||
| Rubiales Consulting, LLC | Delaware | |||||||
| Talon Bridge Holdings, LLC | Delaware | |||||||
| FlexSteel Pipeline Technologies, Ltd. | Canada | |||||||