A. O. Smith Corporation logo
AOSA. O. Smith Corporation

Operating Margin: 17.11%

Is the operating margin high or low?

The operating margin of 17.11% is in line with its 5-year average of 18.33%, near the low end of its 5-year range (15.88%–21.27%).

As of Thursday, June 25, 2026. 8.01% below its 12-month average of 18.60%.

Operating Margin

AOS Operating Margin

17.11%

Reported quarterly operating margin; no daily interpolation.

-0.80% 5Y
AOS Operating Margin

AOS Average Operating Margin Chart

AOS Operating Margin

AOS Current vs Average Operating Margin Chart

AOS Operating Margin Metrics

OPERATING MARGIN

17.11%

OPERATING MARGIN AVG TTM

18.60%

OPERATING MARGIN AVG 3Y

18.96%

OPERATING MARGIN AVG 5Y

18.33%

OPERATING MARGIN AVG 10Y

17.61%

OPERATING MARGIN AVG 15Y

15.54%

OPERATING MARGIN AVG 20Y

13.38%

CURRENT VS TTM AVG

-8.01%

CURRENT VS 3Y AVG

-9.73%

CURRENT VS 5Y AVG

-6.66%

CURRENT VS 10Y AVG

-2.85%

CURRENT VS 15Y AVG

+10.14%

CURRENT VS 20Y AVG

+27.88%

AOS Competitors' Operating Margin

NAMEMARKET CAPOPERATING MARGINTTM3Y5Y
A. O. Smith Corporation (AOS)$8.41B17.11%18.60%18.96%18.33%
EnerSys (ENS)vs ›$8.29B11.87%12.77%10.72%9.38%
AGCO Corporation (AGCO)vs ›$8.53B6.99%7.66%9.45%8.97%
Kratos Defense & Security Solutions, Inc. (KTOS)vs ›$8.73B2.04%2.30%1.82%2.44%
Gartner, Inc. (IT)vs ›$8.74B16.43%17.12%18.82%17.76%
Planet Labs PBC (PL)vs ›$8.76B-31.94%-39.21%-61.80%-70.34%
Aecom (ACM)vs ›$8.98B6.38%5.75%4.67%4.38%
Pool Corporation (POOL)vs ›$7.48B10.93%11.29%13.17%13.37%
Builders FirstSource, Inc. (BLDR)vs ›$9.47B4.18%7.46%11.06%10.43%
MYR Group Inc. (MYRG)vs ›$7.32B5.05%3.03%3.35%3.67%

Operating Efficiency

Gross Margin

38.8%

Operating Margin

17.1%

Operating Margin Formula & Definition

Operating Margin = Operating Income / Revenue

Operating margin is the percentage of revenue remaining after operating expenses, reflecting operating efficiency.

Expanded definitions: Investopedia, Wikipedia, Corporate Finance Institute

Operating Margin FAQ

What is the operating margin for A. O. Smith Corporation (AOS)?
The operating margin for AOS stock is 17.11%.
Is A. O. Smith Corporation's operating margin high or low?
The operating margin of 17.11% is in line with its 5-year average of 18.33%, near the low end of its 5-year range (15.88%–21.27%).
What is the TTM average operating margin for A. O. Smith Corporation (AOS)?
The TTM average operating margin for AOS stock is 18.60%.
What is the 3Y average operating margin for A. O. Smith Corporation (AOS)?
The 3Y average operating margin for AOS stock is 18.96%.
What is the 5Y average operating margin for A. O. Smith Corporation (AOS)?
The 5Y average operating margin for AOS stock is 18.33%.
What is the 10Y average operating margin for A. O. Smith Corporation (AOS)?
The 10Y average operating margin for AOS stock is 17.61%.
What is the 15Y average operating margin for A. O. Smith Corporation (AOS)?
The 15Y average operating margin for AOS stock is 15.54%.
What is the 20Y average operating margin for A. O. Smith Corporation (AOS)?
The 20Y average operating margin for AOS stock is 13.38%.

AOS Operating Margin History

DATEOPERATING MARGIN
2026-03-3117.11%
2025-12-3117.95%
2025-09-3018.63%
2025-06-3020.35%
2025-03-3118.96%
2024-12-3117.11%
2024-09-3017.80%
2024-06-3020.18%
2024-03-3119.67%
2023-12-3118.70%
2023-09-3019.34%
2023-06-3021.27%
2023-03-3119.34%
2022-12-3118.95%
2022-09-3017.10%
2022-06-3017.29%
2022-03-3116.55%
2021-12-3117.72%
2021-09-3017.79%
2021-06-3017.25%
2021-03-3115.88%
2020-12-3118.32%
2020-09-3018.12%
2020-06-3013.80%
2020-03-3110.32%
2019-12-3115.33%
2019-09-3015.37%
2019-06-3016.98%
2019-03-3114.45%
2018-12-3118.57%
2018-09-3017.03%
2018-06-3017.26%
2018-03-3116.32%
2017-12-3118.32%
2017-09-3017.46%
2017-06-3017.42%
2017-03-3116.24%
2016-12-3116.44%
2016-09-3017.34%
2016-06-3018.55%
2016-03-3116.22%
2015-12-3116.81%
2015-09-3017.05%
2015-06-3015.76%
2015-03-3113.26%
2014-12-3111.74%
2014-09-3012.00%
2014-06-3013.23%
2014-03-3111.77%
2013-12-3110.86%
2013-09-3011.73%
2013-06-3012.09%
2013-03-3111.64%
2012-12-3111.60%
2012-09-309.80%
2012-06-3010.66%
2012-03-319.35%
2011-12-316.94%
2011-09-3010.97%
2011-06-306.61%
2011-03-319.03%
2010-12-3119.70%
2010-09-308.47%
2010-06-309.48%
2010-03-319.00%
2009-12-31-1.43%
2009-09-306.90%
2009-06-304.75%
2009-03-313.51%
2008-12-313.32%
2008-09-306.14%
2008-06-307.62%
2008-03-316.79%
2007-12-316.32%
2007-09-306.41%
2007-06-307.26%
2007-03-315.98%
2006-12-316.66%
2006-09-305.78%
2006-06-306.85%
2006-03-316.62%
2005-12-316.80%
2005-09-305.22%
2005-06-305.44%
2005-03-316.28%
2004-12-312.10%
2004-09-301.18%
2004-06-306.75%
2004-03-314.71%
2003-12-136.32%
2003-09-303.56%
2003-06-307.69%
2003-03-316.23%
2002-12-315.74%
2002-09-305.09%
2002-06-308.07%

About A. O. Smith Corporation

A. O. Smith Corporation (AOS) is a global manufacturer and marketer specializing in a comprehensive array of water heating and treatment solutions. Its operations span North America, China, Europe, and India, organized into two primary geographic segments: North America and Rest of World. The company's product portfolio is extensive, featuring residential and commercial water heaters (gas, heat pump, and electric models), boilers, storage tanks, and various water treatment systems. These products cater to a wide range of applications, including homes, apartments, and condominiums, as well as commercial entities such as restaurants, hotels, office buildings, laundries, car washes, small businesses, hospitals, and schools. Specific offerings include diverse water treatment products like point-of-entry water softeners, well water purification systems, whole-home filtration units, portable filtration bottles, point-of-use carbon filters, and reverse osmosis systems, designed for residential, restaurant, hotel, and office use. A. O. Smith also supplies food and beverage filtration products, expansion tanks, commercial solar water heating installations, and heaters for swimming pools and spas, along with associated components. Advanced heating solutions further encompass heat pumps, electric wall-hung units, gas tankless heaters, combi-boilers, and integrated heat pump and solar water heaters. Products are primarily sold under established brands such as A. O. Smith, State, and Lochinvar, in addition to specialized water softener brands. The company leverages various distribution channels, including independent wholesale plumbing distributors, retail outlets like hardware and home center chains, and manufacturer representative firms. Its Aquasana-branded products are sold directly to consumers through e-commerce platforms and other online retailers. Founded in 1874, A. O. Smith Corporation maintains its corporate headquarters in Milwaukee, Wisconsin.

Milwaukee, WI
12,700 employees
Industrials / Industrial - Machinery
Sector
Industrials
Industry
Industrial - Machinery
CEO
Stephen Shafer