EMCOR: A Record Quarter Nobody Wanted to Pay For

RPOs hit $18.57B, data-center backlog doubles, guidance goes up again — and the stock sits 27% below its May high. That gap is the story.

EME · Earnings Call · 2026-10-29

EMCOR: A Record Quarter Nobody Wanted to Pay For

On paper, EMCOR just had the best quarter in its history. Revenue of $5.54 billion rose 28.8%, or 25.5% organically. Remaining performance obligations hit a record $18.57 billion, up 47% year over year. Adjusted EPS of $9.60 rose 46%. And management raised full-year guidance to $34.50–$35.50. Yet the stock has returned −18.6% over the last 90 trading days and sits 27% below its May 6 peak of $943.75. The company is compounding faster than ever; the multiple is going the other way. Which is the real signal?

The machine has never run better

The operating detail is not cosmetic. Electrical construction revenue grew 44.3% and mechanical 43.1%, with roughly three-quarters of that organic. Electrical printed a 13.3% operating margin and mechanical 12.1%, for a combined construction margin of 12.6%, up 40bps. Building Services delivered a record 7.8% margin. Consolidated gross margin expanded 60bps to 20%, and SG&A leverage turned a 10.0% cost ratio into 9.5%. This is the tail of a three-year repricing of EMCOR's earning power, not a one-quarter blip. Operating margin has climbed from roughly 5% in the mid-2010s to double digits, with about six points of that gain coming in the last three years. Tony Guzzi was blunt about which lever he is pulling now: “at the margins we're operating in now, we're much more in the quest for margin dollars than margin percentages” — Tony Guzzi, Chief Executive Officer or President · 2026-10-29. That is a telling reframe for a company the Street used to judge on margin percentage.

What actually changed: the vocabulary

The most revealing thing about this call is not the numbers — it's the words that suddenly rank highest in EMCOR's own keyword set. The top new theme is built in diversity: not one data center in California, none in New York State, de minimis in New England. Alongside it, entirely new company language — phantom demand, Loudoun County, and rhetoric. For a year management answered data-center questions with an open firehose of demand; this quarter it answered with risk management, mix control, and political exegesis.

Some of it actually will elongate the cycle, and that'll be a good thing... I think there was a fair amount of phantom demand in Texas, and it wasn't phantom demand with us because of who we serve.
Tony Guzzi, Chief Executive Officer or President · 2026-10-29

That is a different conversation than the one Guzzi had in July, when Brian Brophy asked whether the demand profile had changed at all: “Short answer, none. The demand profile remains the same.” — Anthony Guzzi, CEO · 2026-07-30 And in October 2025 he was still arguing with the market about margins: “I'm a little befuddled about some of the margin reaction.” — Anthony Guzzi, Chief Executive Officer · 2025-10-30 The consistency of the demand message has not broken — “We've seen no abatement of that demand, despite all the noise out there in the market right now” — Tony Guzzi, Chief Executive Officer or President · 2026-10-29 — but management is now spending airtime inoculating investors against a political narrative it obviously expects to keep hearing. Note also the law of large numbers, invoked twice: $8.74 billion of data-center RPOs more than doubles a base that is getting hard to double again. The single most important disclosure for valuation purposes is buried in the Q&A: “today we're probably 65%-70% cloud and 30% AI. That'll probably get to more 50/50 in the future.” — Tony Guzzi, Chief Executive Officer or President · 2026-10-29 EMCOR is levered to the storage-and-cloud buildout, not to the liquid-cooled AI training campuses that carry the froth. That should make it defensive within the theme. The tape has not treated it that way.

The tape has already voted on the theme

Look at the market-wide keyword tape. AI data center was the defining theme of the trailing year, +53.6% with 44 names advancing and 12 declining. Over the last 90 days that same theme is the top decliner, −5.3% with 7 up and 49 down, and unchanged over 30 days. data center capacity is down 8% over 90 days; solid state transformers down 7.3%. Meanwhile the 90-day leaders are natural gas, oil barrels, and biotech readouts. EMCOR's drawdown is not idiosyncratic — it is the price of admission for being the purest large-cap play on the physical AI buildout. And the demand side is still being confirmed everywhere else in this week's reporting cohort: Vertiv talking 800V DC-adjacent power, Johnson Controls on modular data centers, GE Vernova on high voltage transformers, Hubbell on Utility Solutions, Sterling on Transportation Solutions backlog. The buildout is not in doubt. The multiple is.

The mix tax, and the cash bill

The honest bear case on EMCOR is not demand — it is arithmetic. Mechanical margin fell 80bps to 12.1% because the AI data center is increasingly contracted on GMP and construction-manager terms, where pass-through materials and subcontractor costs dilute the percentage. Guzzi and Jason Nalbandian both steered analysts to a 12%–12.5% mechanical band for the next twelve months. Separately, backlog amortization from Schmidt and Connelly runs roughly 16–17 months: ~$35.3 million in Q4 and ~$128 million in 2027, which will depress GAAP EPS while cash remains unaffected. Cash is where the story stays clean. Operating cash flow was $797 million in the quarter and $1.1 billion year to date, with management guiding to $1.5–$1.7 billion for the year. Free cash flow has tracked at or above net income in most recent quarters. But the balance sheet has been spent: effective net cash has fallen from $1.34 billion at year-end 2024 to $236 million, after nearly $800 million of acquisitions and $510 million returned to shareholders, with another $500 million buyback authorized this morning. Nalbandian's own framing: “data centers are about a third of our revenues, and that third of our revenues is split up amongst numerous customers.” — Jason Nalbandian, Chief Financial Officer or Senior Finance Executive · 2026-10-29

The verdict

EMCOR is doing precisely what it told investors in February it would do — “we don't buy into hype and we don't buy into frenzy” — Anthony Guzzi, Chief Executive Officer (CEO) · 2026-02-26 — and is now being priced as if the frenzy were its business. The next real datapoint is not the December political calendar Guzzi keeps dismissing, but whether 2027 revenue guidance, due in February, converts $18.57 billion of RPO into the same margin band. If the tape is de-rating the theme rather than the company, that print is where the two re-couple.