Quality Investor

A. O. Smith Corporation

Rank #131Value

AOS · NYSE · Industrials

A. O. Smith Corporation (AOS) — Rank #131 by gross profitability (GP/assets 0.41) · ROE 29.7% · Piotroski F-Score 8 / 9.

As-of 2026-09-15 · CIK 0000091142 · all metrics point-in-time as of the filing date.

About

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O. Smith Corporation manufactures and markets residential and commercial gas and electric water heaters, boilers, heat pumps, tanks, and water treatment products in North America, China, Europe, and India. The company offers water heaters for residences, restaurants, hotels, office buildings, laundries, car washes, and small businesses; boilers for hospitals, schools, hotels, homes, apartments, and condominiums, and other large commercial buildings; and water treatment products comprising point-of-entry water softeners, well water solutions, and whole-home water filtration products, and point-of-use carbon and reverse osmosis products for residences, restaurants, hotels, and offices. It also provides commercial water treatment and filtration products; expansion tanks, commercial solar water heating systems, swimming pool and spa heaters, and related products and parts; and electric wall-hung, gas tankless, combi-boiler, and heat pump and solar water heaters. The company offers its products under the A. O. Smith, State, Lochinvar, Hague, Water-Right, Master Water, Atlantic Filter, Impact, and Water Tec brands. It distributes its products through independent wholesale plumbing distributors, as well as to retail channels consisting of hardware and home center chains, and manufacturer representative firms, as well as offers Aquasana branded products directly to consumers through e-commerce channels; and A. O. Smith branded water treatment products through dealer network and Amazon. A. O.

Smith Corporation was founded in 1874 and is headquartered in Milwaukee, Wisconsin.

Industry
Specialty Industrial Machinery
Sector
Industrials
State
DE
Filer Category
Large accelerated filer
Fiscal Year End
December 31

Each fiscal year is read as-of that year’s own 10-K filing, so nothing restated after the fact leaks backwards. Line items this filer never tagged are omitted. Hover or tap a badge for the diagnostic behind it.

USD in millions, except per-share (EPS) and percentage rows. Values are as originally filed; em-dash = not tagged in that year's filing.
Fiscal year end2025-12-31filed 2026-02-102024-12-31filed 2026-02-102023-12-31filed 2024-02-132022-12-31filed 2023-02-14

Figures are as originally filed with the SEC (point-in-time), not restated, so they can differ slightly from sites that show later-restated numbers. Why point-in-time?