EXHIBIT 21.1
Published on May 7, 2025
Exhibit 21.1
Subsidiaries of the Registrant
The following entities are expected to be subsidiaries of the Registrant upon completion of the Spin-Off (as defined in the information statement attached
as Exhibit 99.1 to the registration statement of which this Exhibit 21.1 is a part). The names of other entities that are expected to be subsidiaries of the Registrant are omitted. Such subsidiaries would not, if considered in the aggregate as a
single subsidiary, constitute a significant subsidiary within the meaning of Item 601(b)(21)(ii) of Regulation S-K.
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Name of Subsidiary
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Jurisdiction of Incorporation
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AI PNW Inc.
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Washington
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Amrize Finance Switzerland LLC
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Switzerland
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Amrize Holdings Switzerland LLC
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Switzerland
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Amrize Technology Switzerland LLC
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Switzerland
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Geocycle Canada Inc.
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Canada
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Geocycle LLC
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Michigan
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Herbert Malarkey Roofing Company
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Oregon
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Holcim – ACM Management, Inc.
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Delaware
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Holcim – MAMR, Inc.
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Illinois
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Holcim – MAR, Inc.
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Maryland
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Holcim – MWR, Inc.
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Minnesota
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Holcim – NER, Inc.
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Massachusetts
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Holcim – SOR, Inc.
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Texas
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Holcim – SWR, Inc.
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Nevada
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Holcim – WCR, Inc.
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Colorado
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Holcim (US) Inc.
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Delaware
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Holcim Finance US LLC
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Delaware
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Holcim Participations (US) Inc.
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Delaware
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Holcim Solutions and Products US, LLC
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Indiana
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Innocon Partnership (55%)*
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Ontario (Canada)
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Jamaica Aggregates Limited (95%)*
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Jamaica
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Lafarge Canada Inc.
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Canada
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Lafarge PNW Inc.
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Delaware
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North America Shared Services S.A.S.
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Colombia
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* The Registrant owns a less than
100% equity interest in the entity.