LIQT vs ECL vs WTRG vs XYL

For growth investors, Essential Utilities, Inc.

(WTRG) is the stronger pick with 18. 6% revenue growth year-over-year, versus 2. 2% for Ecolab Inc. (ECL). Essential Utilities, Inc. (WTRG) offers the better valuation at 17. 1x trailing P/E (16. 7x forward), making it the more compelling value choice. Analysts rate Ecolab Inc. (ECL) a "Buy" — based on 37 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, Essential Utilities, Inc.

(WTRG) is the cheapest at 17. 1x versus Ecolab Inc. at 35. 2x. On forward P/E, Essential Utilities, Inc. is actually cheaper at 16. 7x. The PEG ratio (P/E divided by earnings growth rate) is the most growth-adjusted single valuation metric: Xylem Inc. wins at 0. 91x versus Essential Utilities, Inc. 's 1. 16x — a PEG below 1. 0 traditionally signals the market is underpricing earnings growth.

Over the past 5 years, Ecolab Inc.

(ECL) delivered a total return of +17. 3%, compared to -96. 1% for LiqTech International, Inc. (LIQT). Over 10 years, the gap is even starker: XYL returned +204. 7% versus LIQT's -90. 9%. 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), Essential Utilities, Inc.

(WTRG) is the lower-risk stock at -0. 36β versus Xylem Inc. 's 0. 92β — meaning XYL is approximately -357% more volatile than WTRG relative to the S&P 500. On balance sheet safety, Xylem Inc. (XYL) carries a lower debt/equity ratio of 17% versus 122% for Essential Utilities, Inc. — giving it more financial flexibility in a downturn.

By revenue growth (latest reported year), Essential Utilities, Inc.

(WTRG) is pulling ahead at 18. 6% versus 2. 2% for Ecolab Inc. (ECL). On earnings-per-share growth, the picture is similar: LiqTech International, Inc. grew EPS 45. 7% year-over-year, compared to -1. 2% for Ecolab Inc.. Over a 3-year CAGR, XYL leads at 17. 8% 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.

Essential Utilities, Inc.

(WTRG) is the more profitable company, earning 24. 9% net margin versus -51. 7% for LiqTech International, Inc. — meaning it keeps 24. 9% of every revenue dollar as bottom-line profit. Operating margin tells a similar story: WTRG leads at 37. 2% versus -50. 3% for LIQT. At the gross margin level — before operating expenses — ECL leads at 44. 5%, 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, Xylem Inc. (XYL) is the more undervalued stock at a PEG of 0. 91x versus Essential Utilities, Inc. 's 1. 16x. A PEG below 1. 0 is traditionally considered the threshold for growth-adjusted undervaluation. On forward earnings alone, Essential Utilities, Inc. (WTRG) trades at 16. 7x forward P/E versus 30. 6x for Ecolab Inc. — 13. 9x cheaper on a one-year earnings basis. Analyst consensus price targets imply the most upside for XYL: 31. 1% to $151. 57.

In this comparison, WTRG (3.

5% yield), XYL (1. 4% yield), ECL (1. 0% yield) pay a dividend. LIQT does not pay a meaningful dividend and should not be held primarily for income.

For long-horizon retirement investors, Essential Utilities, Inc.

(WTRG) is the stronger choice — it scores higher on the combination of lower volatility, dividend reliability, and long-term compounding (low volatility (β -0. 36), 3. 5% yield). Both have compounded well over 10 years (WTRG: +46. 5%, LIQT: -90. 9%), 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.

These companies operate in different sectors (LIQT (Industrials) and ECL (Basic Materials) and WTRG (Utilities) and XYL (Industrials)), which means they face different economic cycles, regulatory environments, and macro sensitivities — making direct comparison nuanced.

In terms of investment character: LIQT is a small-cap quality compounder stock; ECL is a mid-cap quality compounder stock; WTRG is a mid-cap high-growth stock; XYL is a mid-cap quality compounder stock. ECL, WTRG, XYL pay a dividend while LIQT does not, making them suitable for different income and tax situations. 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.