Exhibit 21.1

Subsidiaries of TIC Solutions, Inc.

Subsidiary						Jurisdiction
2471981 Alberta Ltd.						Alberta
A1 Asia Limited						Hong Kong
A1 International Limited						Hong Kong
Acuren Delaware Holdco, Inc.						Delaware
Acuren Group Inc.						Alberta
Acuren Holdings, Inc.						Delaware
Acuren Inc.						New Brunswick
Acuren Industrial Holdings Inc.						Alberta
Acuren Inspection, Inc.						Delaware
Acuren Intermediate Holdings, Inc.						Delaware
Acuren USA, Inc.						Delaware
Acuren Wind Canada Inc.						Quebec
Aero-Metric Holdings Corp						Indiana
Applied Inspection Ltd.						United Kingdom
ASG Engineering Consultants LLC						Dubai
ASG Holdings Limited						Abu Dahbi
Axim Geospatial, LLC						Delaware
BakosNDT Ltd.						Alberta
Bock and Clark Corporation						Delaware
Cambridge Materials Testing Ltd.						Ontario
Century Inspection, Inc.						Delaware
Columbia Engineering and Services, Inc.						Delaware
Construction & Turnaround Specialist, Inc.						Delaware
Continental Mapping Acquisition Corp.						Delaware
Dade Moeller and Associates, Inc.						North Carolina
Echo NDE Inc.						Alberta
Echo NDE USA, Inc.						Delaware
Eclipse Scientific Products Inc.						Ontario
Energenz Consulting Limited						Hong Kong
Energenz, LLC						Delaware
Geodynamics, LLC						North Carolina
Geographic Information Services, Inc.						Alabama
Geospatial Holding GmbH						Germany
Geospatial Holdings, Inc.						Delaware
Group Delta Consultants, Inc.						California
Hanna Engineering, Inc.						California
Industrial Design Associates International Pte. Ltd.						Singapore
J.B.A. Consulting Engineers, Inc.						Nevada
Marine Taxonomic Services, Ltd.						Oregon
Mediatech FZ, LLC						Dubai
Nextgen Task Inspection Inc.						Alberta
NV5 Consultants India Private Limited						India
NV5 Consultants Limited						Hong Kong
NV5 Consultants, Inc.						Massachusetts

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NV5 Consulting Limited						Macau
NV5 Engineering Private Limited						India
NV5 Engineers and Consultants, Inc.						North Carolina
NV5 Environmental, Inc.						California
NV5 Environmental, L.P.						California
NV5 Geospatial Solutions B.V.						Netherlands
NV5 Geospatial Solutions France SARL						France
NV5 Geospatial Solutions GmbH						Gilching, Germany
NV5 Geospatial Solutions Italia S.r.l.						Italy
NV5 Geospatial Solutions K.K.						Japan
NV5 Geospatial Solutions UK Limited						England and Wales
NV5 Geospatial Solutions, Inc.						Colorado
NV5 Geospatial, Inc.						Wisconsin
NV5 Global, Inc.						Delaware
NV5 Holdings, LLC						Delaware
NV5 International Limited						Hong Kong
NV5 Limited						Shanghai
NV5 Limited						Hong Kong
NV5 LNG Engineering Services, Inc.						New Hampshire
NV5 Macau Limited						Macau
NV5 Malaysia SDN BHD						Malaysia
NV5 New York-Engineers, Architects, Landscape Architects and Surveyors						New York
NV5 Philippines Corp.						Philippines
NV5 Planning & Design, Inc.						Massachusetts
NV5 Private Limited						Singapore
NV5, Inc.						New Jersey
NV5, Inc.						California
NV5, Inc.						Delaware
NV5, LLC						North Carolina
NV5-Architecture, P.C.						New Jersey
NV5-Connecticut, LLC						Connecticut
Optimal Energy, LLC						Delaware
Perunding NV5 SDN BHD						Malaysia
Pro Inspection, Inc.						Delaware
Quantum Spatial Canada, Inc.						Canada
RDK Engineer P.C.						New York
RDK Engineers N.C., Inc.						North Carolina
Red Technologies (S) Pte. Ltd.						Singapore
Redgroup (M) Sdn. Bhd.						Malaysia
Rockwood Canada Holdings Ltd.						Nova Scotia
Rockwood Canada Inc.						Alberta
Rockwood Canada Shared Services Inc.						Alberta
Rockwood Service Corporation						Delaware
S.A. Bricks, Inc.						South Korea
Skycrest Services Inc.						Canada
Skycrest Services US Inc.						New York
Southport Engineering Associates, Inc.						Connecticut
Streamline Inspection, Ltd.						Alberta

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Tacten Industrial Inc.						Nova Scotia
TEI Analytical Services, Inc.						Delaware
The LKR Group, Inc.						California
The NV5 Engineering Services LLC						Dubai
The NV5 Information Technology Consultants LLC						Dubai
Triquest Nondestructive Testing Corp.						Alberta
TSG Solutions, Inc.						Delaware