EX-21.1 5 hal_12312020-ex211.htm SUBSIDIARIES OF THE REGISTRANT Document

Exhibit 21.1

HALLIBURTON COMPANY
Subsidiaries of the Registrant
December 31, 2020
STATE OR COUNTRY
NAME OF COMPANYOF INCORPORATION
Halliburton (Barbados) Investments SRLBarbados
Halliburton Affiliates, LLCUnited States, Delaware
Halliburton Affiliates Services, LLCUnited States, Texas
Halliburton ASNorway
Halliburton Canada Holdings B.V.Netherlands
Halliburton Canada ULCCanada, Alberta
Halliburton de Mexico, S. de R.L. de C.V.Mexico
Halliburton Energy Cayman Islands Limited IICayman Islands
Halliburton Energy Services, Inc.United States, Delaware
Halliburton Far East Pte LtdSingapore
Halliburton Global Affiliates Holdings B.V.Netherlands
Halliburton Group CanadaCanada
Halliburton Holdings (No.3)United Kingdom, Scotland
Halliburton Holdings, LLCUnited States, Delaware
Halliburton International B.V.Netherlands
Halliburton International HoldingsBermuda
Halliburton Manufacturing and Leasing Co., LLCUnited States, Delaware
Halliburton Manufacturing and Services LimitedUnited Kingdom, England & Wales
Halliburton Netherlands Holdings B.V.Netherlands
Hal Global Netherlands Cooperatief U.A.Netherlands
Halliburton Produtos Ltda.Brazil
Halliburton U.S. International Holdings, Inc.United States, Delaware
HESI Holdings B.V.Netherlands
Landmark Graphics CorporationUnited States, Delaware
Oilfield Telecommunications, LLC.United States, Delaware