CluenexSterling Infrastructure STRL
Sterling Infrastructure scores excellent on business quality (7.9 of 10). Here is why, in plain words, and what our sealed record shows.
Why it matters
- What Sterling Infrastructure does
Sterling Infrastructure builds critical infrastructure, specializing in e-infrastructure, buildings, and transportation solutions for corporate and public clients. Project developers and government agencies pay Sterling to execute complex, large-scale construction projects that support modern economic growth.
- What it does best
Sterling executes specialized e-infrastructure projects with superior efficiency, delivering an operating margin of 18.1% that outperforms peers like PWR at 6.0%. This margin advantage stems from deep technical expertise in complex civil construction that new entrants cannot easily match.
- The main risk
Heavy reliance on the current technology and data center construction boom exposes the company to severe concentration risk if AI infrastructure spending abruptly slows down or shifts toward other engineering approaches.
Quality, check by check
Scored against its own industry, from company filings.
Operating margin sits at 18.1% with an ROE of 36.7%, both expanding as higher-margin e-infrastructure projects scale. This mix yields increasing profitability on every new dollar of revenue.
Sterling benefits from an execution-based moat built on specialized engineering trust with corporate clients, ranking in the top quartile for operating margins in its sector.
Revenue is growing at 17.7%, accelerating steadily from past annual figures like $1.9B in 2023. The e-infrastructure segment drives this upward momentum.
With interest coverage at 37x and net cash of $100.0M, debt obligations are negligible. Free cash flow reached $482.0M, showing the balance sheet is getting stronger.
Insiders
Executives and directors, from SEC Form 4 filings we read ourselves. Open market trades only; grants, option exercises and pre-planned sales left out.
No open market buys or unplanned sales by executives or directors.
Our sealed record on STRL
Verdicts appear here 30 days after we publish them; members see today's. Each one is in the nightly ledger, fingerprinted the night it was made.
The first sealed verdicts appear here on Oct 11, 2026.
Questions
Sterling Infrastructure scores excellent on the Cluenex quality check (7.9 of 10), measured against its own industry. Profitability is fair, moat strong, growth fast and financial health strong.
In the last 90 days of SEC Form 4 filings: No open market buys or unplanned sales by executives or directors.
Nov 2, 2026.
See STRL today
- Today's verdict on STRL, and why
- Fair value with cautious, base and optimistic cases
- The exact price that would change the verdict
- Which stocks each signal names, the night it fires
Cite this page: Cluenex, “Sterling Infrastructure (STRL)”, https://cluenex.com/stocks/strl/, data as of Oct 10, 2026.