Onterris, Inc. (ONT)
Environmental testing, consulting and remediation services. Read November 8, 2026 from the annual report for the period ending December 31, 2025, filed February 26, 2026. Ranked 26 of the 275 Industrials companies read so far, by the share within reach now.
Within reach now
38%
projected from METR's April 2026 measurement and Epoch's November 2026 index
End of 2028
55%
Employees, annual report
3,500
Leading staffing pattern
Architectural, Engineering, and Related Services
Share of the working time within reach, long-run pace, four times in five
Now is projected from METR's April 2026 measurement and Epoch's November 2026 index.
- Now38%
- End of 202751%
- End of 202855%
- End of 203055%
What changes for its people by the end of 2028, by its industries' figures
- Stays with people 43%
- Becomes checking a model's work 47%
- Handed over with lighter checks 8%
Onterris states about 3,500 employees, 76% in the U.S., in environmental services read across engineering and testing, remediation and environmental consulting by segment revenue.
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: 38% now, 51% at the end of 2027, 55% at the end of 2028, 55% at the end of 2030. By the patterns, the work is about 55% desk work, 16% people work and 28% 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 43% of the working time stays with people (conversation, in-person and hands-on work), 47% becomes checking a model's work and 8% could be handed over with lighter checks, from the industries' own figures, not the company's roles.
Headcount
3,500 employees as of December 31, 2025 (stated). Approximately 2,650 employees, 76% of the workforce, are based in the U.S., with about 730 in Canada and 120 in Australia.
The filing: “As of December 31, 2025, we had approximately 3,500 employees (which includes permanent and temporary full-time and part-time personnel).”
The workforce as industry patterns
| Pattern | Share | Reason, from the filing |
|---|---|---|
| Architectural, Engineering, and Related Services | 40% | By segment revenue (c): the Measurement and Analysis segment (30%) runs environmental testing laboratories and air and water monitoring, and the Assessment, Permitting and Response segment's engineers prepare permits and designs, testing laboratories and engineering services, NAICS 5413. |
| Remediation and Other Waste Management Services | 32% | By segment revenue (c): the Remediation and Reuse segment (33%) treats contaminated water and soil and builds biogas and treatment systems, remediation services, NAICS 5629. |
| Management, Scientific, and Technical Consulting Services | 28% | By segment revenue (c): the environmental consulting, compliance and emergency response work of the Assessment, Permitting and Response segment (37%), environmental consulting, NAICS 541620 in the 5416 group. |
What the filing says about the workforce: About 3,500 permanent and temporary, full-time and part-time employees at about 120 offices; 2,650 in the U.S., 730 in Canada and 120 in Australia; no collective bargaining agreements; renamed from Montrose Environmental, whose program names the filing still uses.
Companies read with the same leading pattern
Other companies whose largest staffing pattern is also Architectural, Engineering, and Related Services, largest first, each read from its own annual report. Within reach now and at the end of 2028, long-run pace, four in five. Now is projected from METR's April 2026 measurement and Epoch's November 2026 index.
- Aecom (ACM, 51,000 employees)43% now, 68% by 2028
- Amentum Holdings, Inc. (AMTM, 50,000 employees)36% now, 55% by 2028
- Jacobs Solutions Inc. (J, 43,000 employees)43% now, 68% by 2028
- KBR, Inc. (KBR, 36,000 employees)37% now, 57% by 2028
- Tetra Tech, Inc. (TTEK, 25,000 employees)43% now, 68% by 2028
- Fluor Corporation (FLR, 22,995 employees)37% now, 57% by 2028
- UL Solutions Inc. (ULS, 14,851 employees)44% now, 68% by 2028
- TIC Solutions, Inc. (TIC, 12,760 employees)43% now, 68% by 2028
What the filing says about AI
1 sentences in the filing name AI. The filing's one AI sentence is a cybersecurity risk factor: AI may increase the frequency and efficacy of cyberattacks and create new vulnerabilities.
- “Additionally, the prevalence and increasing sophistication of artificial intelligence may increase the frequency or efficacy of cyberattacks, and the use of artificial intelligence by us or the third parties on which we depend to operate our business may create new cybersecurity vulnerabilities, including those which may not be recognized at this time.”
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 20240median 4
- Fiscal 20251median 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 | 3,500 | 2026-02-26 | 10-K |
| 2024-12-31 | 3,410 | 2025-03-03 | 10-K |
| 2023-12-31 | 3,100 | 2024-02-29 | 10-K |
| 2022-12-31 | 2,900 | 2023-03-01 | 10-K |
| 2021-12-31 | 2,500 | 2022-03-01 | 10-K |
| 2020-12-31 | 1,850 | 2021-03-24 | 10-K |
Limits of this reading
- The three-way split is by segment revenue (c); the filing counts no employees by segment, and the industry hint carries no SIC code.
Source: the company's annual report on EDGAR, accession 0001193125-26-076511, 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 Onterris, 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 Onterris, Inc.'s working time is within reach of AI?
- An estimated 38% now and 55% by the end of 2028, on METR's long-run pace at four in five, from the workforce Onterris, 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 Onterris, Inc. employ?
- 3,500 as of December 31, 2025, as its annual report for the period ending December 31, 2025 states. About 76% in the U.S.
- What kinds of work make up Onterris, Inc.'s workforce?
- Read from its annual report as a blend of 3 industry staffing patterns, the largest Architectural, Engineering, and Related Services; by those patterns the work is about 55% desk work, 16% people work and 28% body work. Each share has a one-sentence reason on this page that can be checked against the filing.
- What does Onterris, Inc.'s annual report say about AI?
- 1 sentence in the filing name AI. Its annual reports for fiscal 2021 to 2025 name it in 0, 0, 0, 0 and 1 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 November 8, 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.