Sterling Infrastructure provides infrastructure, transportation, and site-development services across selected U.S. markets.
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STRL · Industrials · Infrastructure Construction
Sterling Infrastructure, Inc.
Sterling Infrastructure provides infrastructure, transportation, and site-development services across selected U.S. markets.
ReportedCalculatedEstimatedForecastScenario Assumption
Executive summary
The questions under review.
This existing Watchlist record is preserved while research coverage is expanded around data-center and essential-infrastructure demand.
Can backlog quality and execution support durable margins and cash generation across the construction cycle?
Monitor backlog conversion, project execution, customer concentration, labor availability, and cash conversion.
Under Review. Primary-source evidence is documented below, while the five-year model and valuation output remain incomplete.
What normalized margin and cash-flow profile is sustainable across infrastructure cycles?
Investment thesis
Scenarios before conviction.
Bull case
Scenario Assumption — operating drivers exceed the verified base evidence without requiring materially weaker economics.
Base case
Scenario Assumption — reported operating drivers develop within management's disclosed framework; no point valuation is published.
Bear case
Scenario Assumption — operating conversion, margins, or cash generation weaken relative to the cited evidence.
What the market may be missing
Research in progress. No differentiated conclusion has been published.
Conditions required
Required evidence will be defined after current filings and investor materials are reviewed.
What would invalidate the thesis
Invalidation criteria are pending completion of the initial research record.
Business overview
Understand the operating system.
Business model
Research in progress. Evidence and source citations have not yet been entered.
Revenue sources
Research in progress. Evidence and source citations have not yet been entered.
Customer base
Research in progress. Evidence and source citations have not yet been entered.
Geographic exposure
Research in progress. Evidence and source citations have not yet been entered.
Recurring versus transactional revenue
Research in progress. Evidence and source citations have not yet been entered.
Competitive advantages
Research in progress. Evidence and source citations have not yet been entered.
Capital intensity and cyclicality
Research in progress. Evidence and source citations have not yet been entered.
Industry structure
Research in progress. Evidence and source citations have not yet been entered.
Latest verified evidence
Sterling's official Q1 2026 release and filing archive are the latest primary sources used for the operating review.
Segment analysis
Review disclosed business segments.
| Segment | Revenue | Growth | Operating income | Operating margin | Share of total | Key driver | Source |
|---|---|---|---|---|---|---|---|
| E-Infrastructure Solutions | 1,466.8 | 58.8% | 346 | 23.6% | 58.9% | Data centers, advanced manufacturing, project mix, and acquired electrical and mechanical capabilities. | Annual report |
| Transportation Solutions | 640.7 | -18.2% | 77.8 | 12.1% | 25.7% | Federal and state infrastructure funding, project selection, and execution. | Annual report |
| Building Solutions | 382.6 | -6.3% | 39.1 | 10.2% | 15.4% | Residential and commercial concrete demand, geography, and project mix. | Annual report |
Operating components
Build From Operating Components
| Component | Historical evidence | Unit | Revenue relationship | Margin relationship | Cash-flow relationship | Key uncertainty | Analyst interpretation |
|---|---|---|---|---|---|---|---|
| Backlog and project mixReported | Current backlog and segment mix require direct extraction from the Q1 release before use in a model. | USD and project mix | Project awards and conversion timing drive revenue. | Project selection, execution, and segment mix affect margin. | Billing terms, retainage, and working capital affect conversion. | Customer concentration, labor, weather, and project timing. | Backlog quality and cash conversion matter more than backlog size alone. |
| Data-center and advanced-manufacturing demandReported | Not publicly disclosed. | Project revenue by end market | Site-development activity supports E-Infrastructure revenue. | Project selectivity and execution determine profitability. | Large projects can require working capital before collections. | Customer timing and construction-cycle conditions. | Do not infer end-market revenue not separately disclosed. |
Historical financials
Five Years of Evidence — Not Invented Precision
| Period | Revenue | Growth | Gross profit | Gross margin | Operating income | Operating margin | EBITDA | EBITDA margin | Net income | EPS | Operating cash flow | Capital expenditures | FCF | Cash | Debt | Diluted shares | Source |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| FY2021 | 1,414.4 | Not applicable | 203.5 | 14.4% | 107 | 7.6% | 141.2 | 10.0% | 62.6 | 2.15 | 158.9 | 46.7 | 112.3 | 60.9 | 451.9 | 29.1 | SEC filed annual reports / XBRL company factsUSD |
| FY2022 | 1,769.4 | 25.1% | 274.6 | 15.5% | 159.9 | 9.0% | 211.9 | 12.0% | 106.5 | 3.48 | 219.1 | 60.9 | 158.2 | 181.5 | 431.3 | 30.6 | SEC filed annual reports / XBRL company factsUSD |
| FY2023 | 1,972.2 | 11.5% | 337.6 | 17.1% | 205.8 | 10.4% | 263.2 | 13.3% | 138.7 | 4.44 | 478.6 | 64.4 | 414.2 | 471.6 | 341.5 | 31.2 | SEC filed annual reports / XBRL company factsUSD |
| FY2024 | 2,115.8 | 7.3% | 426.1 | 20.1% | 264.6 | 12.5% | 333 | 15.7% | 257.5 | 8.27 | 497.1 | 81 | 416.2 | 664.2 | 316.3 | 31.1 | SEC filed annual reports / XBRL company factsUSD |
| FY2025 | 2,490 | 17.7% | 572.3 | 23.0% | 405.9 | 16.3% | 483 | 19.4% | 290.2 | 9.38 | 440 | 77.3 | 362.7 | 390.7 | 291 | 30.9 | SEC filed annual reports / XBRL company factsUSD |
Revenue build
Model the actual economic drivers.
E-Infrastructure Solutions
Data centers, advanced manufacturing, project mix, and acquired electrical and mechanical capabilities.
Review primary sourceTransportation Solutions
Federal and state infrastructure funding, project selection, and execution.
Review primary sourceBuilding Solutions
Residential and commercial concrete demand, geography, and project mix.
Review primary sourceEstimates
Current-period calculations are not reported results.
No analyst estimate is published. Reported results and management guidance remain labeled separately in the source record.
Forecasts
Forward expectations begin with operating drivers.
| Period | Metric | Base case | Bull case | Bear case | Operating-driver build | Difference from guidance | Main sensitivity | Principal risk |
|---|---|---|---|---|---|---|---|---|
| Next fiscal year | Revenue and cash-flow directionForecast | Scenario Assumption — positive operating conversion continues, but growth moderates from the strongest recent period. | Scenario Assumption — demand, mix, and execution remain above the recent reported trend, supporting stronger cash conversion. | Scenario Assumption — demand timing, pricing, mix, or execution weakens enough to pressure revenue and cash conversion. | Build from backlog conversion, segment mix, project awards, margins, working capital, and capital allocation. | This is a Luna1 directional scenario, not management guidance and not an external consensus estimate. | Conversion of the cited operating drivers into reported revenue and cash flow | The operating evidence may not persist through the next fiscal year |
| Assumption | Historical basis | Management evidence | Luna1 interpretation | Base | Bull | Bear | Last updated |
|---|---|---|---|---|---|---|---|
| Full-year 2026 company guidance | Current reported period and prior-year comparison | Management raised full-year guidance in the official Q1 release; figures must be read directly from the release before model entry. | Directionally relevant, but insufficient by itself for a point forecast. | Recent reported momentum moderates toward a normalized pace. | Demand and operating conversion remain above the recent trend. | Demand, pricing, mix, or execution falls below the recent trend. | July 28, 2026 |
Valuation
Make every assumption visible.
Methods
- Discounted cash flow
- Comparable-company analysis
- Historical trading range
- Scenario analysis
- Weighted valuation conclusion
Primary model inputs
- Revenue forecast
- EBIT and tax rate
- NOPAT
- D&A, capital expenditures, and working capital
- Unlevered free cash flow
- WACC and terminal growth
- Enterprise-to-equity value bridge
- Diluted shares and implied value per share
WACC versus terminal growth
Sensitivity table will render after sourced assumptions are entered.
Revenue growth versus operating margin
Sensitivity table will render after sourced assumptions are entered.
| Selected method | Normalized earnings and free-cash-flow scenarios |
|---|---|
| Why it fits | Project mix, backlog conversion, execution, and working-capital intensity should drive the valuation framework. |
| Valuation date | July 28, 2026 |
| Share-price date | No market-price source connected |
| Share count | Requires verification from the cited primary-source record. |
| Net debt or cash | Requires verification from the cited primary-source record. |
| Forecast period | Not published; operating forecast remains incomplete |
| Discount rate | Not published |
| Terminal assumption | Not published |
| Scenario range | Not published |
| Major sensitivities | Growth duration, margins, capital intensity, and valuation multiple |
| Calculation source | No valuation output is published until reported inputs and market data are verified. |
| Limitations | The site has no licensed real-time market-data feed. This framework is not a price target. |
Comparable companies
Comparable evidence remains separate from valuation output.
| Company | Ticker | Market capitalization | Enterprise value | Revenue growth | EBITDA margin | EV/Revenue | EV/EBITDA | P/E | FCF yield | Price-to-book |
|---|
Comparable-company data has not been entered. The model supports market capitalization, enterprise value, growth, margins, valuation multiples, free-cash-flow yield, and price-to-book where appropriate.
Catalysts
What could change the evidence.
Earnings
Research in progress. Evidence and source citations have not yet been entered.
Product cycle
Research in progress. Evidence and source citations have not yet been entered.
Industry demand
Research in progress. Evidence and source citations have not yet been entered.
Margin expansion
Research in progress. Evidence and source citations have not yet been entered.
Capital allocation
Research in progress. Evidence and source citations have not yet been entered.
Regulatory or macro catalyst
Research in progress. Evidence and source citations have not yet been entered.
Strategic partnerships
Research in progress. Evidence and source citations have not yet been entered.
M&A
Research in progress. Evidence and source citations have not yet been entered.
Customer adoption
Research in progress. Evidence and source citations have not yet been entered.
Risks
What could break the thesis.
Valuation risk
Research in progress. Evidence and source citations have not yet been entered.
Execution risk
Research in progress. Evidence and source citations have not yet been entered.
Cyclical risk
Research in progress. Evidence and source citations have not yet been entered.
Customer concentration
Research in progress. Evidence and source citations have not yet been entered.
Competitive risk
Research in progress. Evidence and source citations have not yet been entered.
Regulatory risk
Research in progress. Evidence and source citations have not yet been entered.
Balance-sheet risk
Research in progress. Evidence and source citations have not yet been entered.
Technology risk
Research in progress. Evidence and source citations have not yet been entered.
Macro risk
Research in progress. Evidence and source citations have not yet been entered.
Thesis-specific risk
Research in progress. Evidence and source citations have not yet been entered.
Thesis monitoring
Evidence that strengthens or challenges the case.
Infrastructure and data-center project demand may support growth if project selection and execution remain disciplined.
Management reported record Q1 results and raised full-year 2026 guidance.
Project execution, labor, customer concentration, and working-capital needs remain material.
Backlog conversion and segment margin
Operating cash flow conversion
Normalized segment margin
Project execution or customer timing deteriorates
Next officially announced earnings release
Not officially verified
Under Review
July 28, 2026
Earnings history
Verified quarterly evidence.
| Quarter | Revenue | Revenue growth | EPS | EPS growth | Gross margin | Operating margin | Guidance | Earnings reaction | Analyst note |
|---|
No earnings records or dated quarterly updates have been published. This section will remain empty until revenue, EPS, margins, guidance, market reaction, analyst notes, and source links are verified.
Research notes
Research changes and open questions.
No dated notes have been published. Earnings, investor-day, product, industry, valuation, thesis, and portfolio-lesson notes require a verified date and source.
Downloads
Branded documents—published only when complete.
STRLSterling Infrastructure, Inc.
Equity Research and Valuation Report
Prepared by Shy Lee- Last updated
- Updated July 28, 2026
- Format
- File size
- Available after publication
- Status
- In progress
STRLSterling Infrastructure, Inc.
Integrated Valuation Model
Prepared by Shy Lee- Last updated
- Updated July 28, 2026
- Format
- XLSX
- File size
- Available after publication
- Status
- In progress
Sources and disclosures
Evidence before publication.
| Document | Publisher | Publication date | Reporting period | Type | Relevant section | Date accessed |
|---|---|---|---|---|---|---|
| Q1 2026 results | Sterling Infrastructure, Inc. | May 5, 2026 | Quarter ended March 31, 2026 | Earnings release | Results and full-year guidance | July 28, 2026 |
| Financials and filings | Sterling Infrastructure, Inc. | Ongoing archive | Multiple periods | Investor relations | Quarterly reports and filings | July 28, 2026 |
Source: Company filings, investor-relations materials, and Luna1 Research estimates. Estimates are labeled Luna1 Research Estimate; scenarios are labeled Illustrative Scenario.
Educational disclosure: This research is for educational and informational purposes only and is not investment advice. Luna1 Research may hold or monitor securities discussed on the platform.
Research completeness
What is supported, partial, or still missing.
| Section | Status | Audit note |
|---|---|---|
| Executive summary | Complete | Company purpose and research question are stated. |
| Business overview | Partial | Current primary-source evidence is present; multi-period model work remains incomplete. |
| Segment data | Complete | Latest disclosed segment or single-reportable-segment values are sourced to the annual filing. |
| Five-year financial history | Complete | Five fiscal-year rows cite filed annual reports; non-applicable or undisclosed measures are labeled explicitly. |
| Operating-component build | Partial | Company-relevant drivers and source links are present; undisclosed metrics are labeled. |
| Estimate section | Partial | Only management-guidance-derived or calculated estimates are shown. |
| Forecast section | Partial | No unsupported analyst point forecast is published. |
| Valuation | Partial | Method and required inputs are documented; market-dependent output is withheld. |
| Bull case | Partial | Scenario requires verified forecast inputs. |
| Base case | Partial | Scenario requires verified forecast inputs. |
| Bear case | Partial | Scenario requires verified forecast inputs. |
| Catalysts | Partial | Catalyst categories are present; dated event verification remains ongoing. |
| Risks | Partial | Risk categories are present; filing-specific citations remain ongoing. |
| Earnings update | Partial | Latest cited release is linked; full quarterly history is incomplete. |
| Source list | Partial | Primary sources are listed; a five-year source archive remains incomplete. |
| Performance tracking | Missing | No verified publication price and benchmark series are connected. |
| Thesis-monitoring indicators | Complete | Quarterly and annual monitoring fields are defined. |
Analyst