CMP vs ROAD vs VMC vs MLM

For growth investors, Construction Partners, Inc.

(ROAD) is the stronger pick with 54. 2% revenue growth year-over-year, versus 0. 1% for Martin Marietta Materials, Inc. (MLM). Martin Marietta Materials, Inc. (MLM) offers the better valuation at 31. 9x trailing P/E (30. 8x forward), making it the more compelling value choice. Analysts rate Compass Minerals International, Inc. (CMP) a "Buy" — based on 17 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, Martin Marietta Materials, Inc.

(MLM) is the cheapest at 31. 9x versus Construction Partners, Inc. at 71. 4x. On forward P/E, Martin Marietta Materials, Inc. is actually cheaper at 30. 8x. The PEG ratio (P/E divided by earnings growth rate) is the most growth-adjusted single valuation metric: Vulcan Materials Company wins at 2. 40x versus Martin Marietta Materials, Inc. 's 3. 00x.

Over the past 5 years, Construction Partners, Inc.

(ROAD) delivered a total return of +324. 4%, compared to -55. 6% for Compass Minerals International, Inc. (CMP). Over 10 years, the gap is even starker: ROAD returned +985. 6% versus CMP's -39. 3%. 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), Vulcan Materials Company (VMC) is the lower-risk stock at 0.

80β versus Compass Minerals International, Inc. 's 1. 54β — meaning CMP is approximately 93% more volatile than VMC relative to the S&P 500. On balance sheet safety, Martin Marietta Materials, Inc. (MLM) carries a lower debt/equity ratio of 53% versus 4% for Compass Minerals International, Inc. — giving it more financial flexibility in a downturn.

By revenue growth (latest reported year), Construction Partners, Inc.

(ROAD) is pulling ahead at 54. 2% versus 0. 1% for Martin Marietta Materials, Inc. (MLM). On earnings-per-share growth, the picture is similar: Compass Minerals International, Inc. grew EPS 61. 7% year-over-year, compared to -42. 0% for Martin Marietta Materials, Inc.. Over a 3-year CAGR, ROAD leads at 29. 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.

Martin Marietta Materials, Inc.

(MLM) is the more profitable company, earning 17. 4% net margin versus -6. 4% for Compass Minerals International, Inc. — meaning it keeps 17. 4% of every revenue dollar as bottom-line profit. Operating margin tells a similar story: MLM leads at 23. 3% versus 2. 0% for CMP. At the gross margin level — before operating expenses — MLM leads at 30. 0%, 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, Vulcan Materials Company (VMC) is the more undervalued stock at a PEG of 2. 40x versus Martin Marietta Materials, Inc. 's 3. 00x. Both stocks trade at elevated growth-adjusted valuations, so expected growth needs to materialise. On forward earnings alone, Martin Marietta Materials, Inc. (MLM) trades at 30. 8x forward P/E versus 46. 6x for Construction Partners, Inc. — 15. 9x cheaper on a one-year earnings basis. Analyst consensus price targets imply the most upside for MLM: 15. 8% to $695. 30.

In this comparison, VMC (0.

7% yield), MLM (0. 5% yield) pay a dividend. CMP, ROAD do not pay a meaningful dividend and should not be held primarily for income.

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

80), 0. 7% yield, +162. 5% 10Y return). Compass Minerals International, Inc. (CMP) carries a higher beta of 1. 54 — meaning larger drawdowns in market downturns, which matters significantly when you cannot wait years for a recovery. Both have compounded well over 10 years (VMC: +162. 5%, CMP: -39. 3%), 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 (CMP (Basic Materials) and ROAD (Industrials) and VMC (Basic Materials) and MLM (Basic Materials)), which means they face different economic cycles, regulatory environments, and macro sensitivities — making direct comparison nuanced.

In terms of investment character: CMP is a small-cap quality compounder stock; ROAD is a small-cap high-growth stock; VMC is a mid-cap quality compounder stock; MLM is a mid-cap quality compounder stock. VMC, MLM pay a dividend while CMP, ROAD do 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.