| | | | | |
| 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 |