LOMA vs USLM vs MLM vs VMC

For growth investors, Loma Negra Compañía Industrial Argentina Sociedad Anónima (LOMA) is the stronger pick with 41.

3% 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. 1x forward), making it the more compelling value choice. Analysts rate Loma Negra Compañía Industrial Argentina Sociedad Anónima (LOMA) a "Buy" — based on 6 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 Loma Negra Compañía Industrial Argentina Sociedad Anónima at 66. 3x. On forward P/E, Loma Negra Compañía Industrial Argentina Sociedad Anónima is actually cheaper at 0. 0x — notably different from the trailing picture, reflecting expected earnings growth. 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 3. 00x — a PEG below 1. 0 traditionally signals the market is underpricing earnings growth.

Over the past 5 years, United States Lime & Minerals, Inc.

(USLM) delivered a total return of +286. 0%, compared to +55. 3% for Vulcan Materials Company (VMC). Over 10 years, the gap is even starker: USLM returned +955. 0% versus LOMA's -37. 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.

80β versus Loma Negra Compañía Industrial Argentina Sociedad Anónima's 1. 50β — meaning LOMA is approximately 88% 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 63% for Vulcan Materials Company — giving it more financial flexibility in a downturn.

By revenue growth (latest reported year), Loma Negra Compañía Industrial Argentina Sociedad Anónima (LOMA) is pulling ahead at 41.

3% versus 0. 1% for Martin Marietta Materials, Inc. (MLM). On earnings-per-share growth, the picture is similar: United States Lime & Minerals, Inc. grew EPS 23. 2% year-over-year, compared to -96. 5% for Loma Negra Compañía Industrial Argentina Sociedad Anónima. Over a 3-year CAGR, USLM leads at 16. 4% 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 2. 8% for Loma Negra Compañía Industrial Argentina Sociedad Anónima — 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 9. 6% for LOMA. 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 3. 00x. A PEG below 1. 0 is traditionally considered the threshold for growth-adjusted undervaluation. On forward earnings alone, Loma Negra Compañía Industrial Argentina Sociedad Anónima (LOMA) trades at 0. 0x forward P/E versus 31. 4x for Vulcan Materials Company — 31. 4x 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. LOMA does 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). Both have compounded well over 10 years (VMC: +162. 5%, LOMA: -37. 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.

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.

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