Q3 FY26 · Ended Sep 30, 2026 · View SEC filing
Technology customers now supply most of the revenue
A contractor that also serves factories, hospitals and schools now depends on one customer group for most of its sales.
For investorsWhat has to hold for the backlog to become profit?
For foundersPricing scarce capacity: the playbook behind the margin
Operating cash ran at about twice net income, which the filing ties to customer advances, so fast growth has not drained cash.
Gross margin stayed flat while revenue outran overhead, so the operating margin gain came from scale rather than richer jobs.
Electrical is growing twice as fast but earns a thinner margin, so its rise adds more to sales than to profit.
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Business Lens describes Comfort Systems USA from its own filings with the SEC. It is not a view on its shares, a target, or advice to buy, sell or hold anything; figures are as filed and may be restated by the company later. The filing is linked above.
