AOS vs MLI
AOS: Leading North American manufacturer of residential and commercial water heaters, boilers, and water treatment products serving replacement and new construction markets. MLI: Mueller Industries is a leading manufacturer of critical flow-control products and components for the plumbing, HVAC, and construction sectors.
Side-by-side fundamentals
| Metric | AOS | MLI | Edge |
|---|---|---|---|
| Price as of 2026-07-27 close | $62.44 | $64.17 | |
| Market cap as of 2026-07-30 | $8.5B | $14.5B | |
| P/E as of 2026-07-30 | 16.20 | 17.09 | AOS lower |
| PEG as of 2026-07-30 | 3.52 | 1.75 | MLI lower |
| Net margin as of 2026-07-30 | +13.8% | +18.3% | MLI higher |
| Gross margin as of 2026-07-30 | +38.8% | +28.8% | AOS higher |
| Operating margin as of 2026-07-30 | +18.1% | +22.9% | MLI higher |
| ROE as of 2026-07-30 | +28.4% | +25.9% | AOS higher |
| ROA as of 2026-07-30 | +16.0% | +21.8% | MLI higher |
| Debt / equity as of 2026-07-30 | 0.33 | 0.00 | MLI lower |
| Revenue growth (YoY) as of 2026-07-30 | +0.2% | +14.8% | MLI higher |
| Revenue CAGR (3y) SEC XBRL | +0.7% | +1.6% | MLI higher |
| Dividend yield as of 2026-07-30 | +2.2% | +1.1% | AOS higher |
| Dividend streak (yrs) SEC XBRL | 5 | 5 | Tie |
| Beta as of 2026-07-30 | 1.15 | 1.12 | |
| 1-year return as of 2026-07-27 close | -13.3% | +44.7% | MLI higher |
Fundamentals: market data, as of 2026-07-30. Filings: SEC EDGAR. Prices are delayed daily-close data.
Last updated 2026-07-27.
Informational only — NOT financial advice. All figures are delayed daily-close data from SEC EDGAR & market data, shown with their as-of date; "Edge" cells are a pure numeric comparison, not a recommendation.