Is USLM a Buy? What to Consider in 2026
Last updated July 2026
Short answer
The bull case for United States Lime & Minerals (USLM) rests on Pricing power and high margins: USLM has repeatedly pushed through selling-price increases and sustained operating margins above 30%, unusual for a commodity materials producer. Revenue (FY2025) is ~$372.7 million, up ~17% year over year. If you believe that thesis holds, the real questions become position sizing and overlap, not timing. The main risk to that view: Demand is cyclical and tied to construction, industrial production, and energy activity, so a downturn in any of those pressures volumes, as seen in the first quarter of 2026 when revenue fell about 3.7%. Whether USLM is a buy comes down to whether you believe the thesis. This is informational, not a recommendation, and Walnut is not an investment adviser.
United States Lime & Minerals (USLM) is a Dallas, Texas based producer of lime and limestone products, mining high-calcium and dolomitic limestone at its own quarries and processing it into crushed and pulverized limestone, aggregate, quicklime, hydrated lime, and lime slurry. Its plants sit mainly in Texas, Arkansas, Oklahoma, Louisiana, and Colorado, giving it a defensible position in the south-central United States. End markets span steel manufacturing, construction (highways, roads, and buildings), municipal water and wastewater treatment, environmental and flue gas treatment, oil and gas services, roof shingle manufacturing, and agriculture. Because lime is heavy and costly to ship, quarries near their customers enjoy a natural regional moat. The investment picture is that of a well-run, small-cap industrial. USLM carries little to no debt, generates operating margins that have consistently topped 30%, and pays a small but steady dividend. Revenue grew strongly through 2025 on higher volumes and pricing, then softened in early 2026 as construction, oil and gas, and roof shingle demand cooled while steel demand held up. The shares command a premium valuation for a materials name and trade with limited liquidity, so results and sentiment can swing the price more than the underlying business would suggest.
What's the case for buying USLM?
1. Pricing power and high margins.
USLM has repeatedly pushed through selling-price increases and sustained operating margins above 30%, unusual for a commodity materials producer. The heavy, low-value-to-weight nature of lime limits how far competitors can economically ship into USLM's regional markets, which supports pricing. That combination has driven strong gross profit even in years of modest volume growth.
2. Fortress balance sheet and capital returns.
The company operates with little or no debt and a large cash position, funding expansion internally. It pays a regular quarterly dividend and has periodically issued special dividends and repurchased shares. This conservative financial posture lets it invest through cycles without leverage risk, though the reinvestment pace can be lumpy.
3. Diversified industrial end markets.
USLM sells into steel, construction, environmental and water treatment, oil and gas, roof shingle, and agriculture customers. When one market weakens, another can offset it: in early 2026 stronger steel demand partly cushioned softer construction, oil and gas, and roof shingle volumes. Environmental and water treatment demand tends to be steadier than construction.
4. Long-lived quarry reserves.
The company owns its limestone reserves, a scarce and permit-intensive asset base that is difficult for new entrants to replicate. Owned quarries near established customers create a durable cost and logistics advantage that underpins the franchise over long horizons.
What are the risks to USLM?
Demand is cyclical and tied to construction, industrial production, and energy activity, so a downturn in any of those pressures volumes, as seen in the first quarter of 2026 when revenue fell about 3.7%. Fuel, energy, and transportation costs are major inputs and can compress margins when they rise. Geographic concentration in a handful of south-central states leaves the company exposed to regional weather and economic swings. The stock has a small float and low trading liquidity, which amplifies price moves. Consolidation among larger rivals, such as Martin Marietta's planned combination with Lhoist North America, could reshape the competitive landscape, and the premium valuation leaves little room for disappointment.
How is USLM valued? (as of July 2026)
Snapshot for USLM as of July 2026, sourced from Yahoo Finance and may be delayed. Valuation figures move with price and earnings; verify the current numbers with your broker before deciding.
- Revenue (FY2025): ~$372.7 million, up ~17% year over year
- Revenue (Q1 2026): ~$87.8 million, down ~3.7% year over year
- Net income (Q1 2026): ~$30.6 million
- Diluted EPS (Q1 2026): ~$1.06
- Market cap: ~$3.1 billion
- P/E (TTM): ~23x
- Dividend: ~$0.06 per share quarterly, yield ~0.2%
USLM grew revenue strongly in 2025 on higher volumes and pricing, then saw a modest first-quarter 2026 pullback as construction, oil and gas, and roof shingle demand softened while steel demand held firm. The valuation, roughly 23 times earnings and about 8 times sales, is rich for a materials company and reflects the market's regard for its margins and balance sheet. The token dividend understates capital returns, since the company has historically paid special dividends on top of the regular payout.
How do you decide if USLM is a buy?
Rather than asking whether USLM is a buy in the abstract, it tends to help to answer four questions:
- Thesis: do you believe the case above, and is it still true today?
- Time horizon: a single stock can be volatile, so a longer horizon absorbs more of the swings.
- Position sizing: a thesis can be right and the sizing still wrong; decide how much of your portfolio one name should be.
- Overlap: check whether you already hold USLM indirectly through an index or sector ETF before adding more.
For the full picture, see the USLM stock guide (what the company does, the ETFs that hold it, similar stocks, and the themes it fits). In Walnut you can ask its AI about USLM against your real portfolio and see your actual exposure before deciding.
The bottom line on USLM
The bottom line: United States Lime & Minerals's story right now is Pricing power and high margins, with revenue (fy2025) at ~$372.7 million, up ~17% year over year. If you believe that narrative continues, the call is about sizing USLM sensibly and checking overlap with what you own; if you doubt it (the risk: demand is cyclical and tied to construction, industrial production, and energy activity, so a downturn in any of those pressures volumes, as seen in the first quarter of 2026 when revenue fell about 3.7%.), it is not for you. Decide from the thesis, not the ticker. Walnut is not an investment adviser.
Build a basket around USLM with Walnut
Use United States Lime & Minerals as one constituent in a thematic basket Walnut's AI helps you assemble. Describe a thesis you believe in, the AI proposes the holdings and weights, and you approve before any broker order.
FAQ
Is USLM a good stock to buy right now?
+
The case for United States Lime & Minerals right now is Pricing power and high margins, with revenue (fy2025) at ~$372.7 million, up ~17% year over year. If you believe that thesis holds, USLM is a way to own it and the real questions are sizing and overlap, not timing; the main risk to that view is demand is cyclical and tied to construction, industrial production, and energy activity, so a downturn in any of those pressures volumes, as seen in the first quarter of 2026 when revenue fell about 3.7%. So it comes down to whether you believe the thesis. Walnut is not an investment adviser and this is not a recommendation.
What does United States Lime & Minerals do?
+
United States Lime & Minerals (USLM) is a Dallas, Texas based producer of lime and limestone products, mining high-calcium and dolomitic limestone at its own quarries and processin
What are the main risks of USLM?
+
Demand is cyclical and tied to construction, industrial production, and energy activity, so a downturn in any of those pressures volumes, as seen in the first quarter of 2026 when revenue fell about 3.7%. Fuel, energy, and transportation costs are major inputs and can compress margins when they rise. Geographic concentration in a handful of south-central states leaves the company exposed to regional weather and economic swings. The stock has a small float and low trading liquidity, which amplifies price moves. Consolidation among larger rivals, such as Martin Marietta's planned combination with Lhoist North America, could reshape the competitive landscape, and the premium valuation leaves little room for disappointment.
What does United States Lime & Minerals do?
+
USLM mines limestone at its own quarries and processes it into lime and limestone products including quicklime, hydrated lime, lime slurry, pulverized and crushed limestone, and aggregate. It sells to steel, construction, environmental, oil and gas, roof shingle, and agriculture customers, mainly across the south-central United States.
Is USLM profitable?
+
Yes. USLM is consistently profitable with operating margins that have topped 30% in recent years. It reported about $372.7 million in revenue for full-year 2025 and roughly $30.6 million in net income in the first quarter of 2026, with earnings per share around $1.06 for that quarter.
Does USLM pay a dividend?
+
Yes, USLM pays a small regular quarterly cash dividend, recently about $0.06 per share, for a yield near 0.2%. The regular yield is modest, but the company has historically supplemented it with periodic special dividends thanks to its strong cash generation and low debt.
How large is USLM?
+
USLM is a small-cap company with a market capitalization of roughly $3.1 billion as of mid-2026. It has a relatively small share float and limited daily trading volume, which can make the stock more volatile than its steady operating business would imply.
Walnut is informational and is not an investment adviser. This page is educational and not a recommendation to buy or sell USLM; figures are approximate and dated, and your own situation, time horizon, and risk tolerance should drive any decision. Verify current data before investing.