Companies: 10,795·Total market cap: $144.5T
Lennox International Inc.

Lennox International Inc.

LIINYSEIndustrials● Active
$517.01
+$8.58(+1.69%)
Market Cap$18.0B
P/E Ratio
52W High$689.44
52W Low$434.06
Overview

Lennox International Inc. (LII) 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 · LII · as of Feb 17, 2026

Latest filing snapshot

12,900
-1,300-9.15%vs prior year

Lennox International Inc. (LII) 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
12,900
Change (1Y)
-1,300
Growth % (1Y)
-9.15%
Revenue / Employee
$402.7K
Net Income / Employee
$60.9K
Market Cap
$18.0B

LII Employee Count

1999 – 2025 · Annual · SEC filing

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

Employees History

Filing DateEmployeesChange (1Y)Growth (1Y)SEC filing link
2026-02-1712,900-1,300-9.15%
2025-02-1114,200+1,600+12.70%
2024-02-1312,600-600-4.55%
2023-02-2113,200+2,200+20.00%
2022-02-1511,000+700+6.80%
2021-02-1610,300-900-8.04%
2020-02-1811,200-150-1.32%
2019-02-1911,350-100-0.87%
2018-02-1611,450+850+8.02%
2017-02-2110,600+600+6.00%

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

Construction
#SymbolCompanyEmployees
#1
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51,000
#2
Builders FirstSource, Inc.
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29,000
#3
Expeditors International of Washington, Inc.
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19,203
#4
C.H. Robinson Worldwide, Inc.
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C.H. Robinson Worldwide, Inc.
13,347
#5
Lennox International Inc.
LII
Lennox International Inc.YOU
12,900
#6
Carlisle Companies Incorporated
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Carlisle Companies Incorporated
5,500
#7
FTAI Aviation Ltd.
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FTAI Aviation Ltd.
580
Source: /stock-peers + /profile.fullTimeEmployees · Click row → /employees · Sorted by headcount · LII peer comparison

About LII employees

LII Employees · Headcount

Lennox International Inc. (LII) employee data is sourced from the annual SEC 10-K filing. As of 2025, Lennox International Inc. had 12,900 full-time employees globally. Full-time employees only. Global consolidated headcount.

Lennox International Inc. employs 12,900 full-time employees as of the latest filing within the Construction industry. Revenue per employee stands at $402,736, reflecting the company's operational efficiency.

Lennox International Inc.'s workforce decreased by 1,300 (9.15%) in 2025 compared to the prior fiscal year. The historical trend reflects the company's expansion and contraction cycles.

Lennox International Inc.'s revenue per employee of $402,736 positions it among the notable performers in the Construction sector for operational efficiency.

Frequently Asked Questions

LII Employees · 5 questions

As of the latest SEC 10-K filing (2025), Lennox International Inc. had 12,900 full-time employees globally. This figure is sourced from the company's mandatory annual disclosure to the SEC.

Lennox International Inc. employee counthow many employees does Lennox International Inc. haveLII total employees 2025

Data source: FMP /historical-employee-count · SEC EDGAR annual filings · As reported · Global consolidated headcount · As of 2026-02-17