Company: LGN
Filing Date: 2025-08-15
Form Type: S-1
Source: 0001193125-25-181698
Chunk: 114

Company: Legence Corp.
Filing Date: 2025-08-15
Form: S-1
Chunk 114
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 |                         |   232,259 |     |   |  18.6 | % |     |   |   303,466 |     |   |  18.8 | % |     |   |   378,705 |     |   |  18.0 | % |
| Revenue                         |     | $                       | 1,246,501 |     |   | 100.0 | % |     | $ | 1,615,062 |     |   | 100.0 | % |     | $ | 2,098,602 |     |   | 100.0 | % |

| (1) | The information provided in the table under “Revenue by Client End Market” represents the revenue                                                        
 generated from clients in each of the end markets indicated in that period; provided, that where the client is a lessor, we use the lessee’s end market. |

| (2) | Includes facilities housing servers, networking equipment, systems critical for storing and managing data,                                                                                                        
 operational facilities for internet service providers, software companies, IT development hubs, AI development facilities, and high-precision manufacturing plants producing semiconductor chips and electronics. |

| (3) | Includes facilities supporting life sciences research and development, pharmaceutical manufacturing and 
 healthcare facilities providing inpatient and outpatient health services.                               |

| (4) | Includes kindergarten through twelfth grade education facilities, as well as colleges, universities and 
 research facilities.                                                                                    |

| (5) | Includes buildings or complexes combining commercial and retail. |

| (6) | Includes facilities owned or operated by state and municipal government agencies to the extent not otherwise 
 included in the education client end market.                                                                 |

| (7) | Includes a variety of other industries such as precision manufacturing, aerospace & defense, energy,                                                                                                                                
 agriculture, multi-family, hospitality & entertainment, among others, as well as the federal government. Revenues from the federal government were approximately 2% of revenues in 2024 and for the six months ended June 30, 2025. |

Business Segments We operate through two segments: Engineering & Consulting and Installation & Maintenance. Engineering & Consulting Our Engineering & Consulting segment designs HVAC and other MEP systems for buildings, develops strategies to help reduce energy usage and make buildings more sustainable and provides program and project management services for clients’ installation and retrofit projects. Our Engineering & Consulting segment has two principal service offerings:

| • |     | Engineering & Design. We provide planning