Exhibit 21.1

Subsidiaries of Legence Corp.

Subsidiary Name						State or Country of Incorporation
Legence Holdings LLC						Delaware
A.O. Reed & Co., LLC						California
AMA Commissioning + Building Systems, LLC						New York
AMA Consulting Engineers Holdings LLC						Delaware
AMA Design Build, LLC						New Jersey
AMA Design-Build, LLC						California
AMA Management Services LLC						Delaware
BCP 8 Therma Upper Feeder L.L.C.						Delaware
Bel-Aire Mechanical, LLC						Delaware
Black Bear Energy, Inc.						Delaware
Bowers National, LLC						Maryland
Building Systems Holdings, LLC						North Dakota
CMTA Facility Solutions LLC						Delaware
CMTA, Inc.						Kentucky
Engineered Solutions, Inc.						Massachusetts
G1-Therma Blocker, LLC						Delaware
Gilbert Mechanical Contractors, LLC						Delaware
ICS Consulting, LLC						Minnesota
Legence Payroll Advisory, LLC						Delaware
Legence Payroll Solutions, LLC						Delaware
Legence PubCo Sub LLC						Delaware
Legence Subsidiary Holdings, LLC						Delaware
Legence Therma LLC						Delaware
LORD Green Real Estate Strategies, LLC						Texas
Obermiller Nelson Engineering, LLC						North Dakota
OCI Associates, LLC						Delaware
P2S LP						California
Provident Energy Consulting, LLC						Pennsylvania
RE Tech Advisors, LLC						Virginia
RM Mechanical, a joint venture						California
San Jose Boiler Works, Inc.						California
Shadpour Consulting Engineers, LP						California
Skyline Engineering, L.L.C.						New Jersey
Technical Systems Solutions & Measurement, LLC						New York
The Bowers Automotive Group, LLC						Maryland
Therma Intermediate LLC						Delaware
Therma LLC						Delaware
TM Technology Partners, LLC						New York
VarcoMac LLC						Delaware
W.E. Bowers & Associates, LLC						Maryland

W.E. Bowers Group, LLC						Maryland
W.E. Bowers, LLC						Maryland
Yearout LLC						Delaware
Yearout Mechanical, LLC						New Mexico
Yearout Services, LLC						New Mexico