EX-21 6 res-20241231xex21.htm EX-21

EXHIBIT 21

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SUBSIDIARIES OF RPC, INC.

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​ | ​ | ​
NAME |  | STATE OF INCORPORATION
Bronco Oilfield Services, LLC | ​ | Delaware
Cudd Pressure Control, Inc. | ​ | Delaware
Cudd Pumping Services, Inc. | ​ | Delaware
Cudd Energy Services Australia Pty Ltd | ​ | Australia
Cudd Energy Services Gabon SARL | ​ | Gabon
International Training Services, Inc. | ​ | Georgia
Patterson Services, Inc. | ​ | Delaware
Patterson Truck Line, Inc. | ​ | Louisiana
RPC Beijing | ​ | China
RPC Energy International, Inc. | ​ | Delaware
RPC Investment Company | ​ | Delaware
RPC Energy Services of Canada, Ltd | ​ | New Brunswick, Canada
RPC Energy de Mexico | ​ | Ciudad del Carmen, Mexico
RPC Waste Management Services, Inc. | ​ | Georgia
Sand Investment Company | ​ | Delaware
Thru Tubing Solutions, Inc. | ​ | Delaware
Thru Tubing Solutions Australia Pty Ltd | ​ | Australia
Well Control School Australia Pty Ltd | ​ | Australia
Oilfield Assurance Services, LLC | ​ | Texas
Spinnaker Oilwell Services, LLC | ​ | Delaware

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