Company: LGN
Filing Date: 2025-07-15
Form Type: DRS/A
Source: 0000950123-25-006399
Chunk: 167

Company: Legence Corp.
Filing Date: 2025-07-15
Form: DRS/A
Chunk 167
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 other MEP systems in new and existing industrial, commercial and institutional buildings and provides ongoing preventative and corrective maintenance services for those systems. Our Installation & Maintenance segment has two principal service offerings:

| • |     | Installation & Fabrication. We provide HVAC, electrical, plumbing,                                                                                                                                                                               
 process and control system installations, refurbishments and renovations in technically demanding new and existing buildings. We perform both “design-build” and “plan and specification” (“P&S”) projects. Under                                
 design-build projects, we provide the design for the project and install it. Under P&S projects, our client is responsible for designing the project and we install it to their specifications. For certain jobs, we also fabricate customized   
 components that are not readily available for purchase from other third-party vendors or provide modular construction services based on a client’s specifications. We generated approximately 79% of our 2024 Installation & Maintenance segment 
 revenues from Installation & Fabrication services.                                                                                                                                                                                               |

| • |     | Maintenance & Service. We provide preventative                                                                                                                                                                                                        
 maintenance, emergency repair and break-fix services over the life of a building’s mechanical systems. Our services include regular inspections and maintenance to prevent downtime; responding to calls and                                          
 sending technicians onsite to repair a system failure or malfunction; and other complementary services such as facility energy analysis, automation and optimization, system certification and testing. We typically provide preventative maintenance 
 services under annual or longer-term agreements that range from one to five years. We generated approximately 21% of our 2024 Installation & Maintenance segment revenues from Maintenance & Service work.                                            |

Sales & Marketing We go to market as “Legence” or one of our other registered or unregistered brands as “a Legence Company” depending on the scope of services and the strength of the particular brand in the market. Our principal Engineering & Consulting brands include CMTA, P2S, Shadpour Consulting Engineers, RE Tech Advisors and Black Bear. Our principal Installation & Maintenance brands include Therma, A.O. Reed, Bel-AireMechanical, VarcoMac, Gilbert Mechanical Contractors and Yearout. 117

Confidential Treatment Requested by Legence Corp.

Pursuant to 17 C.F.R. Section 200.83

We utilize a “seller-doer” approach to client sales and project origination. Under
this model, all client-facing employees have the ability and are encouraged to originate new sales opportunities. Our engineers, consultants, project managers and technicians take the lead in identifying and securing new business and are