A. O. Smith Corporation

AOSNYSEIndustrials● Active

$57.62

+$0.42(+0.73%)

Market Cap$8.0B

P/E Ratio—

52W High$81.87

52W Low$54.16

Avg Volume1.6M

Open$57.04

Beta1.18

Employees Ownership Insider Trades

A. O. Smith Corporation (AOS) Number of Employees – History & Annual Headcount

Annual SEC headcount, year-over-year change, and per-employee efficiency — chart and full history below.

SEC EDGAR · FMP · AOS · as of Feb 10, 2026

Latest filing snapshot

11,500

-1,200-9.45%vs prior year

A. O. Smith Corporation (AOS) employee data is sourced from the annual SEC 10-K filing. As of 2025, full-time employees only. Global consolidated headcount. View SEC filing ↗

SEC 10-K·Period end: 2025-12-31·Full-time · Global

Total Employees

11,500

Change (1Y)

-1,200

Growth % (1Y)

-9.45%

Revenue / Employee

$333.1K

Net Income / Employee

$47.5K

Market Cap

$8.0B

AOS Employee Count

1993 – 2025 · Annual · SEC filing

Source: SEC annual filings · Hover bar to view year data · Click to view original filing

Employees History

Filing Date	Period End	Employees	Change (1Y)	Growth (1Y)
2026-02-10	2025-12-31	11,500	-1,200	-9.45%
2025-02-11	2024-12-31	12,700	+700	+5.83%
2024-02-13	2023-12-31	12,000	+0	+0.00%
2023-02-14	2022-12-31	12,000	-1,700	-12.41%
2022-02-11	2021-12-31	13,700	-200	-1.44%
2021-02-12	2020-12-31	13,900	-1,200	-7.95%
2020-02-24	2019-12-31	15,100	-1,200	-7.36%
2019-02-15	2018-12-31	16,300	+200	+1.24%
2018-02-16	2017-12-31	16,100	+600	+3.87%
2017-02-17	2016-12-31	15,500	+2,100	+15.67%

▸ Source: SEC Annual Reports (Form 10-K / 20-F). Employee counts as of fiscal year end. Click the ↗ icon at the end of a row to open the original SEC filing in a new tab.

Related Companies — Employee Count

Industrial - Machinery

#SymbolCompanyEmployeesMkt Cap

FLS

Flowserve Corporation

16,000$9.6B #2

DCI

Donaldson Company, Inc.

14,000$9.8B #3

GTLS

Chart Industries, Inc.

11,928$9.9B #4

AOS

A. O. Smith CorporationYOU

11,500$8.0B #5

GNRC

Generac Holdings Inc.

9,400$15.8B #6

AIT

Applied Industrial Technologies, Inc.

Source: /stock-peers + /profile.fullTimeEmployees · Click row → /employees · Sorted by headcount · AOS peer comparison

About AOS employees

AOS Employees · Headcount

A. O. Smith Corporation (AOS) employee data is sourced from the annual SEC 10-K filing. As of 2025, A. O. Smith Corporation had 11,500 full-time employees globally. Full-time employees only. Global consolidated headcount.

A. O. Smith Corporation employs 11,500 full-time employees as of the latest filing within the Industrial - Machinery industry. Revenue per employee stands at $333,061, reflecting the company's operational efficiency.

A. O. Smith Corporation's workforce decreased by 1,200 (9.45%) in 2025 compared to the prior fiscal year. The historical trend reflects the company's expansion and contraction cycles.

A. O. Smith Corporation's revenue per employee of $333,061 positions it among the notable performers in the Industrial - Machinery sector for operational efficiency.

Revenue Financial statements Net income SEC filings Price history Forecast & ratings Ownership Earnings

Frequently Asked Questions

AOS Employees · 5 questions

As of the latest SEC 10-K filing (2025), A. O. Smith Corporation had 11,500 full-time employees globally. This figure is sourced from the company's mandatory annual disclosure to the SEC.

A. O. Smith Corporation employee counthow many employees does A. O. Smith Corporation haveAOS total employees 2025

▸ Data source: FMP /historical-employee-count · SEC EDGAR annual filings · As reported · Global consolidated headcount · As of 2026-02-10