# Who are Comfort Systems USA, Inc.'s customers? Who does Comfort Systems USA, Inc. earn revenue from?
Canonical: https://valuechain.wiki/comfort-systems-usa · Facet: customers · Updated: 2026-09-11T22:22:20.940695+00:00 · Source: ValueChain.wiki (cited money-flow graph)

**Citable summary**: Comfort Systems USA, Inc. discloses no named confirmed revenue counterparties; 2 relationships are tracked as undisclosed/aggregate. Per the valuechain.wiki graph: 2 revenue edges, backed by 3 dated sources, 1 of them primary filings (as of 2026-09-11).

### 기술 고객군(데이터센터·반도체 제조) (high)
- metric: Amount $4.1B · FY2025 · Revenue generated from technology customers
- note: Technology customers generated $4.098854 billion, or 45.0% of consolidated FY2025 revenue. The filing says demand was especially strong in data centers, while the company's investor presentation defines this market as data centers and chip manufacturing.
- [confirms] Comfort Systems USA (EN, ir, published 2026-02-20) https://www.sec.gov/Archives/edgar/data/1035983/000110465926018139/tm266849d1_ex99-1.htm: "Technology – Data Centers and Chip Manufacturing ... TECHNOLOGY 45%"
- [confirms] SEC EDGAR (EN, filing, published 2026-02-19) https://www.sec.gov/Archives/edgar/data/1035983/000110465926017530/fix-20251231x10k.htm: "Technology ... $4,098,854 ... 45.0%"

### 기계 부문 주요 고객(비공개) (high)
- metric: Revenue share 12.8% · FY2025 · Share of consolidated revenue generated from one undisclosed customer
- note: One undisclosed customer accounted for 12.8% of FY2025 consolidated revenue, all within the mechanical segment. Korean market analysis attributes the company's growth to hyperscale data-center projects, but the filing does not identify the customer.
- [mentions] Newspim (KO, analysis, published 2026-09-10) https://www.newspim.com/news/view/20260909000753: "The analysis links Comfort Systems USA's revenue growth to expanding AI data-center construction by large technology companies."
- [confirms] SEC EDGAR (EN, filing, published 2026-02-19) https://www.sec.gov/Archives/edgar/data/1035983/000110465926017530/fix-20251231x10k.htm: "one customer represented 12.8%"

Reverse side: https://valuechain.wiki/comfort-systems-usa/suppliers.md · Ripple: https://valuechain.wiki/comfort-systems-usa/ripple.md

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