Atmos Energy Corporation

ATONYSEUtilities● Active

$170.24

+$2.28(+1.36%)

Market Cap$28.4B

P/E Ratio—

52W High$192.51

52W Low$149.98

Avg Volume1.2M

Open$168.94

Beta0.60

Employees Ownership Insider Trades

Atmos Energy Corporation (ATO) 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 · ATO · as of Nov 14, 2025

Latest filing snapshot

5,487

+227+4.32%vs prior year

Atmos Energy Corporation (ATO) 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: 2025-09-30·Full-time · Global

Total Employees

5,487

Change (1Y)

+227

Growth % (1Y)

+4.32%

Revenue / Employee

$857.1K

Net Income / Employee

$218.5K

Market Cap

$28.4B

ATO Employee Count

1994 – 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)
2025-11-14	2025-09-30	5,487	+227	+4.32%
2024-11-18	2024-09-30	5,260	+241	+4.80%
2023-11-14	2023-09-30	5,019	+228	+4.76%
2022-11-14	2022-09-30	4,791	+107	+2.28%
2021-11-12	2021-09-30	4,684	-10	-0.21%
2020-11-13	2020-09-30	4,694	-82	-1.72%
2019-11-12	2019-09-30	4,776	+148	+3.20%
2018-11-13	2018-09-30	4,628	+63	+1.38%
2017-11-13	2017-09-30	4,565	-182	-3.83%
2016-11-14	2016-09-30	4,747	-6	-0.13%

▸ 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

Regulated Gas

#SymbolCompanyEmployeesMkt Cap

CenterPoint Energy, Inc.

8,872$27.9B #5

EBR-B

Centrais Elétricas Brasileiras S.A. - Eletrobrás

7,710$24.8B #6

AWK

American Water Works Company, Inc.

6,700$24.3B #7

ATO

Atmos Energy CorporationYOU

5,487$28.4B

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

About ATO employees

ATO Employees · Headcount

Atmos Energy Corporation (ATO) employee data is sourced from the annual SEC 10-K filing. As of 2025, Atmos Energy Corporation had 5,487 full-time employees globally. Full-time employees only. Global consolidated headcount.

Atmos Energy Corporation employs 5,487 full-time employees as of the latest filing within the Regulated Gas industry. Revenue per employee stands at $857,072, reflecting the company's operational efficiency.

Atmos Energy Corporation's workforce increased by 227 (4.32%) in 2025 compared to the prior fiscal year. The historical trend reflects the company's expansion and contraction cycles.

Atmos Energy Corporation's revenue per employee of $857,072 positions it among the notable performers in the Regulated Gas sector for operational efficiency.

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

Frequently Asked Questions

ATO Employees · 5 questions

As of the latest SEC 10-K filing (2025), Atmos Energy Corporation had 5,487 full-time employees globally. This figure is sourced from the company's mandatory annual disclosure to the SEC.

Atmos Energy Corporation employee counthow many employees does Atmos Energy Corporation haveATO total employees 2025

▸ Data source: FMP /historical-employee-count · SEC EDGAR annual filings · As reported · Global consolidated headcount · As of 2025-11-14