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Exhibit 21.1
TechnipFMC plc
Significant Subsidiaries of the Registrant
December 31, 2025


Name of CompanyCountry of Incorporation
Lusotechnip Engenharia, Sociedade Unipessoal Lda.Portugal
Technip Brasil - Engenharia, Instalacoes E Apoio Maritimo LtdaBrazil
Technip UK LtdUnited Kingdom
TECHNIPFMC NORGE ASNorway
FMC Technologies, Inc.United States