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

HALLIBURTON COMPANY
Subsidiaries of the Registrant
December 31, 2020
| STATE OR COUNTRY
NAME OF COMPANY | OF INCORPORATION
Halliburton (Barbados) Investments SRL | Barbados
Halliburton Affiliates, LLC | United States, Delaware
Halliburton Affiliates Services, LLC | United States, Texas
Halliburton AS | Norway
Halliburton Canada Holdings B.V. | Netherlands
Halliburton Canada ULC | Canada, Alberta
Halliburton de Mexico, S. de R.L. de C.V. | Mexico
Halliburton Energy Cayman Islands Limited II | Cayman Islands
Halliburton Energy Services, Inc. | United States, Delaware
Halliburton Far East Pte Ltd | Singapore
Halliburton Global Affiliates Holdings B.V. | Netherlands
Halliburton Group Canada | Canada
Halliburton Holdings (No.3) | United Kingdom, Scotland
Halliburton Holdings, LLC | United States, Delaware
Halliburton International B.V. | Netherlands
Halliburton International Holdings | Bermuda
Halliburton Manufacturing and Leasing Co., LLC | United States, Delaware
Halliburton Manufacturing and Services Limited | United 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 Corporation | United States, Delaware
Oilfield Telecommunications, LLC. | United States, Delaware