CSL vs SWK vs ALLE vs AWI

For growth investors, Armstrong World Industries, Inc.

(AWI) is the stronger pick with 12. 1% revenue growth year-over-year, versus -1. 5% for Stanley Black & Decker, Inc. (SWK). Allegion plc (ALLE) offers the better valuation at 18. 4x trailing P/E (15. 6x forward), making it the more compelling value choice. Analysts rate Carlisle Companies Incorporated (CSL) a "Buy" — based on 26 analyst ratings — the highest consensus in this comparison. The "better buy" depends entirely on your goals: growth investors should weight revenue trajectory, value investors should weight P/E and PEG, and income investors should weight dividend yield and streak.

On trailing P/E, Allegion plc (ALLE) is the cheapest at 18.

4x versus Stanley Black & Decker, Inc. at 30. 3x. On forward P/E, Allegion plc is actually cheaper at 15. 6x. The PEG ratio (P/E divided by earnings growth rate) is the most growth-adjusted single valuation metric: Carlisle Companies Incorporated wins at 0. 71x versus Allegion plc's 0. 92x — a PEG below 1. 0 traditionally signals the market is underpricing earnings growth.

Over the past 5 years, Carlisle Companies Incorporated (CSL) delivered a total return of +95.

1%, compared to -56. 2% for Stanley Black & Decker, Inc. (SWK). Over 10 years, the gap is even starker: AWI returned +330. 4% versus SWK's -1. 5%. Past returns do not guarantee future results, and the stock with the higher historical return may already have its best growth priced in.

By beta (market sensitivity over 5 years), Allegion plc (ALLE) is the lower-risk stock at 0.

67β versus Stanley Black & Decker, Inc. 's 1. 83β — meaning SWK is approximately 175% more volatile than ALLE relative to the S&P 500. On balance sheet safety, Armstrong World Industries, Inc. (AWI) carries a lower debt/equity ratio of 59% versus 160% for Carlisle Companies Incorporated — giving it more financial flexibility in a downturn.

By revenue growth (latest reported year), Armstrong World Industries, Inc.

(AWI) is pulling ahead at 12. 1% versus -1. 5% for Stanley Black & Decker, Inc. (SWK). On earnings-per-share growth, the picture is similar: Stanley Black & Decker, Inc. grew EPS 35. 9% year-over-year, compared to -38. 6% for Carlisle Companies Incorporated. Over a 3-year CAGR, AWI leads at 9. 5% annualised revenue growth. Higher growth typically commands a higher valuation multiple — check whether the premium P/E or P/S is justified by the growth rate using the PEG ratio.

Armstrong World Industries, Inc.

(AWI) is the more profitable company, earning 19. 0% net margin versus 2. 7% for Stanley Black & Decker, Inc. — meaning it keeps 19. 0% of every revenue dollar as bottom-line profit. Operating margin tells a similar story: AWI leads at 26. 6% versus 7. 6% for SWK. At the gross margin level — before operating expenses — ALLE leads at 45. 2%, reflecting greater pricing power or product mix advantage. Stronger margins indicate durable pricing power, lower cost of revenue, or higher mix of software/services. They are one of the clearest signs of business quality.

The PEG ratio (forward P/E divided by expected earnings growth rate) is the most precise measure of undervaluation relative to growth potential.

By this metric, Carlisle Companies Incorporated (CSL) is the more undervalued stock at a PEG of 0. 71x versus Allegion plc's 0. 92x. A PEG below 1. 0 is traditionally considered the threshold for growth-adjusted undervaluation. On forward earnings alone, Allegion plc (ALLE) trades at 15. 6x forward P/E versus 19. 9x for Armstrong World Industries, Inc. — 4. 3x cheaper on a one-year earnings basis. Analyst consensus price targets imply the most upside for ALLE: 26. 1% to $172. 50.

All stocks in this comparison pay dividends.

Stanley Black & Decker, Inc. (SWK) offers the highest yield at 4. 1%, versus 0. 8% for Armstrong World Industries, Inc. (AWI).

For long-horizon retirement investors, Allegion plc (ALLE) is the stronger choice — it scores higher on the combination of lower volatility, dividend reliability, and long-term compounding (low volatility (β 0.

67), 1. 5% yield, +127. 3% 10Y return). Stanley Black & Decker, Inc. (SWK) carries a higher beta of 1. 83 — meaning larger drawdowns in market downturns, which matters significantly when you cannot wait years for a recovery. Both have compounded well over 10 years (ALLE: +127. 3%, SWK: -1. 5%), confirming both are viable long-term holds — but the lower-volatility option typically results in less emotional selling during corrections. Retirement portfolios generally favour predictability over maximum returns. Consult a financial advisor before making allocation decisions.

Both stocks operate in the Industrials sector, making this a peer-level intra-sector comparison — the same macro tailwinds and headwinds will affect both.

In terms of investment character: CSL is a mid-cap quality compounder stock; SWK is a mid-cap income-oriented stock; ALLE is a mid-cap quality compounder stock; AWI is a small-cap quality compounder stock. These fundamental differences mean investors should not choose between them on a single metric — the "better stock" depends entirely on which of these characteristics aligns with your investment strategy.