EX-21.1 4 hal_12312021-ex211.htm SUBSIDIARIES OF THE REGISTRANT
Exhibit 21.1

HALLIBURTON COMPANY
Subsidiaries of the Registrant
December 31, 2021
| STATE OR COUNTRY
NAME OF COMPANY | OF INCORPORATION
Dunlavy Financial Services B.V. | Netherlands
Halliburton B.V. | Netherlands
Halliburton Curacao Holdings BV | Curacao
Halliburton Energy Services, Inc. | United States, Delaware
Halliburton Global Affiliates Holdings B.V. | Netherlands
Halliburton Global Holdings B.V. | Curacao
Halliburton Global Holdings, LLC | United States, Delaware
Halliburton Global Netherlands Cooperatief U.A. | Netherlands
Halliburton Group Technologies, Inc. | United States, Delaware
Halliburton Holdings, LLC | United States, Delaware
Halliburton Netherlands Holdings B.V. | Netherlands
Halliburton Offshore Technologies, Inc. | United States, Delaware
Halliburton Swiss Holdings GmbH | Switzerland
Halliburton Technology Partners LLC | United States, Delaware
Halliburton U.S. International Holdings, Inc. | United States, Delaware
Halliburton U.S. Technologies, Inc | United States, Delaware