Sterling Infrastructure, Inc. (STRL)
Site development and transportation contractor, 3,300 field. Read October 20, 2026 from the annual report for the period ending December 31, 2025, filed February 26, 2026. Ranked 219 of the 222 Industrials companies read so far, by the share within reach now.
Within reach now
13%
End of 2028
20%
Employees, annual report
4,400
Leading staffing pattern
Other Specialty Trade Contractors
Share of the working time within reach, long-run pace, four times in five
- Now13%
- End of 202718%
- End of 202820%
- End of 203020%
What changes for its people by the end of 2028, by its industries' figures
- Stays with people 78%
- Becomes checking a model's work 16%
- Handed over with lighter checks 5%
The filing states 4,400 employees, 3,200 hourly and 3,300 in the field, in site development, transportation and building segments with nothing counted by segment, so the split is by description.
The figures on this page come from the company's own annual report and from BLS staffing patterns for its industries, never from a roster. They are estimates with a stated method. Nothing here says what the company will do: within reach is not a forecast of jobs lost or of savings.
What follows from the reading
Share of working time within reach of AI, on the long-run pace at four in five: 13% now, 18% at the end of 2027, 20% at the end of 2028, 20% at the end of 2030. By the patterns, the work is about 20% desk work, 11% people work and 69% body work. These are the site's industry estimates weighted by the shares below: estimates with a stated method and range, not a forecast of what the company will do. By the same patterns, at the end of 2028 about 78% of the working time stays with people (conversation, in-person and hands-on work), 16% becomes checking a model's work and 5% could be handed over with lighter checks, from the industries' own figures, not the company's roles.
Headcount
4,400 employees as of December 31, 2025 (stated). The filing describes construction markets in the United States and no operations abroad (recorded as 1, flagged).
The filing: “At December 31, 2025, the Company had approximately 4,400 employees, comprised of approximately 1,200 salaried employees and approximately 3,200 hourly employees.”
The workforce as industry patterns
| Pattern | Share | Reason, from the filing |
|---|---|---|
| Other Specialty Trade Contractors | 55% | By description (c): the e-infrastructure segment, 59% of revenue, does site development, excavation and grading for data centers, warehouses and manufacturing sites, site preparation work; the filing counts no employees by segment. |
| Highway, Street, and Bridge Construction | 30% | By description (c): the transportation segment, 26% of revenue, builds highways, bridges and airport and rail infrastructure; no count by segment. |
| Foundation, Structure, and Building Exterior Contractors | 15% | By description (c): the building segment, 15% of revenue, pours residential concrete foundations and does plumbing work; no count by segment. |
What the filing says about the workforce: About 4,400 employees: 1,200 salaried and 3,200 hourly, 3,300 field personnel; about 4% union under agreements at project sites; substantially all full-time with high turnover as projects complete; the headcount rose from 3,000 a year earlier.
What the filing says about AI
7 sentences in the filing name AI. The filing says the company uses AI technologies in its business through third-party tools and is developing its AI strategy with external vendors, naming the technological and legal risks.
- “We use artificial intelligence ("AI") technologies in our business, and the deployment, use, and maintenance of these technologies involve significant technological and legal risks.”
- “We invest in AI, but face challenges: an evolving market, unproven growth, and potential development failures.”
- “We currently use third-party tools and are developing our AI strategy with external vendors.”
- “Risks include flawed algorithms, biased data, intense competition, and the inability to commercialize AI offerings effectively.”
- “Ultimately, AI investments may not always benefit our business. 17 Risks Related to Strategy and Acquisitions Our strategy, which includes expanding into adjacent markets, may not be successful.”
Its annual reports, year by year
Sentences naming AI in each annual report, counted by one rule, beside the median report in the Index that year. Each count links its filing. Every company, by year and sector
- Fiscal 20210median 0
- Fiscal 20220median 0
- Fiscal 20230median 1
- Fiscal 20241median 4
- Fiscal 20257median 10
Headcount by filing year
As reported in each year's annual report, with the filing. A year marked not read had no figure the reading could take from the report's text.
| Period | Employees | Filed | Filing |
|---|---|---|---|
| 2025-12-31 | 4,400 | 2026-02-26 | 10-K |
| 2024-12-31 | 3,000 | 2025-02-26 | 10-K |
| 2023-12-31 | 3,000 | 2024-02-27 | 10-K |
| 2022-12-31 | 3,200 | 2023-02-28 | 10-K |
| 2021-12-31 | 2,900 | 2022-03-01 | 10-K |
| 2020-12-31 | 2,600 | 2021-03-03 | 10-K |
| 2019-12-31 | 2,800 | 2020-03-03 | 10-K |
| 2018-12-31 | 1,935 | 2019-03-05 | 10-K |
| 2017-12-31 | 1,740 | 2018-03-06 | 10-K |
| 2016-12-31 | 1,684 | 2017-03-09 | 10-K |
| 2015-12-31 | 1,565 | 2016-03-14 | 10-K |
| 2014-12-31 | 1,799 | 2015-03-16 | 10-K |
| 2013-12-31 | 1,655 | 2014-03-17 | 10-K |
| 2012-12-31 | 1,685 | 2013-03-18 | 10-K |
| 2011-12-31 | 1,606 | 2012-03-15 | 10-K |
| 2010-12-31 | 1,300 | 2011-03-16 | 10-K |
| 2009-12-31 | 1,100 | 2010-03-15 | 10-K |
| 2008-12-31 | 1,200 | 2009-03-16 | 10-K |
| 2007-12-31 | 1,200 | 2008-03-17 | 10-K |
| 2006-12-31 | 1,025 | 2007-03-16 | 10-K |
| 2005-12-31 | 800 | 2006-03-29 | 10-K |
| 2004-12-31 | 750 | 2005-03-29 | 10-K |
| 2003-12-31 | 650 | 2004-03-26 | 10-K |
| 2002-12-31 | 750 | 2003-03-31 | 10-K |
| 2001-02-28 | not read | 2001-07-13 | 10-K405 |
| 2000-02-29 | not read | 2000-07-19 | 10-K405 |
| 1999-02-28 | 3 | 1999-06-01 | 10-K405 |
| 1998-02-28 | 5 | 1998-05-29 | 10-K405 |
| 1997-02-28 | not read | 1997-06-13 | 10-K405 |
| 1996-02-29 | 7 | 1996-06-12 | 10-K |
Limits of this reading
- No count by segment; the split across site development, transportation and building work is by description.
- The U.S. share is recorded as 1 because the filing describes U.S. markets only; it states no count by country.
Source: the company's annual report on EDGAR, accession 0000874238-26-000024, the filing. Read by Claude Fable 5.1 under rubric version 1, by the method. A company can write to info@stratussc.com to have its reading checked against its filing.
The report on Sterling Infrastructure, Inc., $29
This page as a document to keep, with what it does not show: the share within reach at every date on three paces and two reliabilities, a typical workforce of this shape at the stated headcount role by role and task by task (the industries' staffing, never the company's roster), where to start, what changes for the people and what they would learn, every sentence in the filing that names AI, the headcount by year, the companies read with the same leading pattern, the method and a citation line. To print or save as a PDF, open again in your browser for a year.
See the report, $29See the sample first: Walmart's report is free
Questions about this company
- How much of Sterling Infrastructure, Inc.'s working time is within reach of AI?
- An estimated 13% now and 20% by the end of 2028, on METR's long-run pace at four in five, from the workforce Sterling Infrastructure, Inc.'s own annual report describes and BLS staffing patterns for its industries, never from a roster. It is an estimate with a stated method. It is not a forecast of jobs lost or of savings, and it says nothing about what the company will do.
- How many people does Sterling Infrastructure, Inc. employ?
- 4,400 as of December 31, 2025, as its annual report for the period ending December 31, 2025 states. About 100% in the U.S.
- What kinds of work make up Sterling Infrastructure, Inc.'s workforce?
- Read from its annual report as a blend of 3 industry staffing patterns, the largest Other Specialty Trade Contractors; by those patterns the work is about 20% desk work, 11% people work and 69% body work. Each share has a one-sentence reason on this page that can be checked against the filing.
- What does Sterling Infrastructure, Inc.'s annual report say about AI?
- 7 sentences in the filing name AI. Its annual reports for fiscal 2021 to 2025 name it in 0, 0, 0, 1 and 7 sentences, year by year. They are counted and quoted on this page, never judged: a count says how much a filing talks about AI, not what the company does with it.
- How is this estimated?
- Claude Fable 5.1 read the annual report under the Index's written rubric (version 1) on October 20, 2026: the stated headcount, the share in the U.S. when stated, and the workforce as a blend of industry staffing patterns. The estimates are the site's industry estimates weighted by those shares, from O*NET tasks with estimated lengths and METR's measurements of how long a task AI models can finish. A company can write to info@stratussc.com to have its reading checked against its filing.
Embed these figures on your site
A small card with the share of working time within reach now and at the end of 2027, 2028 and 2030, the date and a link back. Free under CC BY 4.0; the card carries the credit.