Comfort Systems USA, Inc. (FIX)

Mechanical and electrical contractor, 22,700. Read October 19, 2026 from the annual report for the period ending December 31, 2025, filed February 19, 2026. Ranked 39 of the 75 Industrials companies read so far, by the share within reach now.

A building systems contractor whose filing states one total and two segments that are both building equipment contracting, so the whole workforce takes that pattern.

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: 18% now, 25% at the end of 2027, 27% at the end of 2028, 28% at the end of 2030. By the patterns, the work is about 28% desk work, 14% people work and 59% 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 71% of the working time stays with people (conversation, in-person and hands-on work), 22% becomes checking a model's work and 6% could be handed over with lighter checks, from the industries' own figures, not the company's roles.

Headcount

22,700 employees as of December 31, 2025 (stated). The filing states no count by country; the company builds and services in the United States.

The filing: “Human Capital Resources Employees -As of December 31, 2025, we had approximately 22,700 employees as compared to approximately 18,300 employees as of December 31, 2024.”

The workforce as industry patterns

What the filing says about the workforce: About 22,700 employees as of December 31, 2025, up from 18,300 a year earlier and 11,100 in 2020.

Companies read with the same leading pattern

Other companies whose largest staffing pattern is also Building Equipment Contractors, largest first, each read from its own annual report. Within reach now and at the end of 2028, long-run pace, four in five.

• Johnson Controls International plc (JCI, 87,000 employees)18% now, 31% by 2028
• Otis Worldwide Corporation (OTIS, 72,000 employees)18% now, 30% by 2028
• EMCOR Group, Inc. (EME, 44,000 employees)18% now, 27% by 2028
• APi Group Corporation (APG, 29,000 employees)17% now, 26% by 2028

What the filing says about AI

4 sentences in the filing name AI. The filing names AI 4 times, as a technology competitors may use to win bids.

• “Moreover, if we do not employ new technologies as quickly or efficiently as our competitors, or if our competitors develop or utilize more cost-effective or customer-preferred technologies (such as data analytics, artificial intelligence and other new and emerging technologies) that give them a competitive advantage in the proposal bidding and selection process, it could have a material adverse...”
• “We face numerous and evolving cybersecurity risks that threaten the confidentiality, integrity and availability of our IT Systems and Confidential Information, including from diverse threat actors, such as state-sponsored organizations, opportunistic hackers and hacktivists, as well as through diverse attack vectors, such as social engineering/phishing, malware (including ransomware), malfeasan...”
• “Additionally, any integration of artificial intelligence in our or any service providers' operations, products or services is expected to pose new or unknown cybersecurity risks and challenges.”
• “Moreover, cyberattacks are expected to accelerate on a global basis in frequency and magnitude as threat actors are becoming increasingly sophisticated in using techniques and tools-including artificial intelligence to engage in automated, targeted, and coordinated attacks-that circumvent security controls, evade detection and remove forensic evidence.”

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 20254median 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.

Limits of this reading

• One pattern by description: the filing gives no count by kind of work.
• No U.S. share is stated.

Source: the company's annual report on EDGAR, accession 0001104659-26-017530, 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.