Company: LGN
Filing Date: 2025-11-03
Form Type: DRS
Source: 0001193125-25-262782
Chunk: 149

Company: Legence Corp.
Filing Date: 2025-11-03
Form: DRS
Chunk 149
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 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.                                                |

101

Confidential Treatment Requested by Legence Corp.

Pursuant to 17 C.F.R. Section 200.83

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-Aire Mechanical, VarcoMac, Gilbert Mechanical Contractors and Yearout.

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 supported by a team of dedicated sales professionals. We
believe our approach maximizes interaction with key decisionmakers at prospective and existing clients, increases the credibility of our offering because the same individuals provide the service that make the sale and enables us to sell a large
number of jobs with minimal sales and marketing expense.

We seek to increase awareness of our company and capabilities through
participation in key industry organizations, conferences and events including ASHRAE, Greenbuild, Data Center Dynamics, the American Society for Healthcare Engineering and the International Facility Management Association, among others. We also use
digital marketing, including search engine optimization, social media and content marketing, combined with targeted public relations efforts, such as securing industry media coverage, to drive lead generation.

Clients

We generally refer to the owner
or operator of the building we work in as our “client.” Our contractual customer may or may