CMP vs ROAD vs VMC vs MLM vs USLM

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). United States Lime & Minerals, Inc. (USLM) offers the better valuation at 23. 4x trailing P/E (20. 2x 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, United States Lime & Minerals, Inc.

(USLM) is the cheapest at 23. 4x versus Construction Partners, Inc. at 71. 4x. On forward P/E, United States Lime & Minerals, Inc. is actually cheaper at 20. 2x. The PEG ratio (P/E divided by earnings growth rate) is the most growth-adjusted single valuation metric: United States Lime & Minerals, Inc. wins at 0. 56x versus Martin Marietta Materials, Inc. 's 2. 98x — a PEG below 1. 0 traditionally signals the market is underpricing earnings growth.

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 +1061% versus CMP's -39. 7%. 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.

81β versus Construction Partners, Inc. 's 1. 57β — meaning ROAD is approximately 93% more volatile than VMC relative to the S&P 500. On balance sheet safety, United States Lime & Minerals, Inc. (USLM) carries a lower debt/equity ratio of 1% 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.

United States Lime & Minerals, Inc.

(USLM) is the more profitable company, earning 36. 0% net margin versus -6. 4% for Compass Minerals International, Inc. — meaning it keeps 36. 0% of every revenue dollar as bottom-line profit. Operating margin tells a similar story: USLM leads at 42. 4% versus 2. 0% for CMP. At the gross margin level — before operating expenses — USLM leads at 48. 8%, 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, United States Lime & Minerals, Inc. (USLM) is the more undervalued stock at a PEG of 0. 56x versus Martin Marietta Materials, Inc. 's 2. 98x. A PEG below 1. 0 is traditionally considered the threshold for growth-adjusted undervaluation. On forward earnings alone, United States Lime & Minerals, Inc. (USLM) trades at 20. 2x forward P/E versus 49. 8x for Construction Partners, Inc. — 29. 6x cheaper on a one-year earnings basis. Analyst consensus price targets imply the most upside for USLM: 26. 3% to $138. 00.

In this comparison, VMC (0.

7% yield), MLM (0. 5% yield), USLM (0. 2% 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, Martin Marietta Materials, Inc.

(MLM) is the stronger choice — it scores higher on the combination of lower volatility, dividend reliability, and long-term compounding (low volatility (β 0. 87), 0. 5% yield, +237. 1% 10Y return). Both have compounded well over 10 years (MLM: +237. 1%, CMP: -39. 7%), 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) and USLM (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; USLM is a small-cap high-growth stock. VMC, MLM pay a dividend while CMP, ROAD, USLM 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.