NTIC vs LIN vs ECL vs APD

For growth investors, Linde plc (LIN) is the stronger pick with 3.

0% revenue growth year-over-year, versus -1. 0% for Northern Technologies International Corporation (NTIC). Linde plc (LIN) offers the better valuation at 33. 8x trailing P/E (27. 7x forward), making it the more compelling value choice. Analysts rate Linde plc (LIN) a "Buy" — based on 28 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, Linde plc (LIN) is the cheapest at 33.

8x versus Northern Technologies International Corporation at 4438. 9x. On forward P/E, Air Products and Chemicals, Inc. is actually cheaper at 22. 5x — notably different from the trailing picture, reflecting expected earnings growth.

Over the past 5 years, Linde plc (LIN) delivered a total return of +73.

9%, compared to -40. 7% for Northern Technologies International Corporation (NTIC). Over 10 years, the gap is even starker: LIN returned +375. 2% versus NTIC's +39. 6%. 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), Linde plc (LIN) is the lower-risk stock at 0.

24β versus Ecolab Inc. 's 0. 63β — meaning ECL is approximately 160% more volatile than LIN relative to the S&P 500. On balance sheet safety, Northern Technologies International Corporation (NTIC) carries a lower debt/equity ratio of 17% versus 106% for Air Products and Chemicals, Inc. — giving it more financial flexibility in a downturn.

By revenue growth (latest reported year), Linde plc (LIN) is pulling ahead at 3.

0% versus -1. 0% for Northern Technologies International Corporation (NTIC). On earnings-per-share growth, the picture is similar: Linde plc grew EPS 7. 1% year-over-year, compared to -110. 3% for Air Products and Chemicals, Inc.. Over a 3-year CAGR, NTIC leads at 4. 3% 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.

Linde plc (LIN) is the more profitable company, earning 20.

3% net margin versus -3. 3% for Air Products and Chemicals, Inc. — meaning it keeps 20. 3% of every revenue dollar as bottom-line profit. Operating margin tells a similar story: LIN leads at 26. 3% versus -7. 3% for APD. 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.

On forward earnings alone, Air Products and Chemicals, Inc.

(APD) trades at 22. 5x forward P/E versus 30. 6x for Ecolab Inc. — 8. 2x cheaper on a one-year earnings basis. Analyst consensus price targets imply the most upside for ECL: 27. 5% to $327. 11.

All stocks in this comparison pay dividends.

Air Products and Chemicals, Inc. (APD) offers the highest yield at 2. 4%, versus 1. 0% for Ecolab Inc. (ECL).

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

24), 1. 2% yield, +375. 2% 10Y return). Both have compounded well over 10 years (LIN: +375. 2%, ECL: +139. 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 Basic Materials sector, making this a peer-level intra-sector comparison — the same macro tailwinds and headwinds will affect both.

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.