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