Sterling Infrastructure, Inc. (STRL) - Q2 2026 10-Q Summary
Business Context and Reporting Period
This report covers the quarterly period ended June 30, 2026. Sterling Infrastructure, Inc. operates in three segments: E-Infrastructure Solutions, Transportation Solutions, and Building Solutions. The company focuses on site development, electrical services for data centers and manufacturing, highway/bridge infrastructure, and residential/commercial concrete foundations.
Key Financial Metrics
| Metric (in thousands) | Q2 2026 | Q2 2025 | YTD 2026 | YTD 2025 |
|---|---|---|---|---|
| Revenues | $1,168,179 | $614,468 | $1,993,854 | $1,045,417 |
| Gross Profit | $289,957 | $143,140 | $484,253 | $237,980 |
| Gross Margin | 24.8% | 23.3% | 24.3% | 22.8% |
| Operating Income | $219,261 | $104,564 | $357,075 | $160,640 |
| Net Income (Attributable to Sterling) | $155,826 | $70,991 | $251,795 | $110,468 |
| Diluted EPS | $5.00 | $2.31 | $8.09 | $3.59 |
| Cash & Equivalents | $464,451 | $699,373 | $464,451 | $699,373 |
| Total Debt (Long-term + Current) | $283,875 | $291,049 | $283,875 | $291,049 |
| Operating Cash Flow (YTD) | $328,021 | $170,311 | $328,021 | $170,311 |
Material Changes vs. Prior Period
- Revenue Growth: Q2 2026 revenue increased 90% year-over-year, driven primarily by a 192% surge in the E-Infrastructure Solutions segment ($905M vs $310M). This growth is attributed to large mission-critical projects and the inclusion of the CEC Facilities Group acquisition.
- Profitability: Operating income more than doubled to $219.3M in Q2 2026. Gross margin expanded to 24.8% from 23.3% due to higher volume and improved project mix in Transportation Solutions.
- Acquisitions: The company completed the acquisition of Stone Ridge Contracting, LLC on June 1, 2026, for $178M ($140M cash, $27.4M equity). The CEC acquisition (Sept 2025) continues to contribute significantly to E-Infrastructure revenue.
- Segment Performance: While E-Infrastructure grew significantly, Transportation Solutions revenue declined 20% due to lower heavy highway work, though operating margins improved. Building Solutions remained flat, impacted by residential market affordability challenges.
Guidance, Outlook, and Risks
- Backlog: Total Backlog (RPOs + MSAs) stands at $4.33 billion as of June 30, 2026, up from $3.01 billion at year-end 2025. Combined Backlog (including unsigned awards) is $5.62 billion.
- Outlook: Management anticipates continued growth in E-Infrastructure driven by data center and semiconductor demand. Transportation funding remains elevated due to the Infrastructure Investment and Jobs Act (IIJA). Building Solutions demand is expected to remain muted in the near term due to housing affordability issues.
- Debt Refinancing: On July 2, 2026 (subsequent to period end), the company entered a new Credit Agreement, refinancing its $285M term loan and expanding the revolving facility to $1.5 billion, extending maturity to 2031.
- Risks: Key risks include cost escalations (labor/materials), joint venture partner performance failures, potential project cancellations, and the impact of inflation on operating costs.
Investor Verification Checklist
- Acquisition Integration: Verify the realization of synergies and revenue contributions from the Stone Ridge and CEC acquisitions against pro forma expectations.
- Backlog Quality: Assess the composition of the $4.33B backlog, specifically the proportion of Master Service Agreements (MSAs) which are not contractually committed, versus firm RPOs.
- Debt Structure: Confirm the terms and interest rate implications of the new $1.5B credit facility finalized in July 2026.
- Residential Exposure: Monitor the Building Solutions segment for further declines in operating income as the residential housing market remains under pressure.
- Change Orders: Review the status of unapproved change orders and claims ($2.9M included in revenue) and potential legal actions if resolutions are not reached.