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Side-by-side financial comparison of Mayville Engineering Company, Inc. (MEC) and UNITED STATES LIME & MINERALS INC (USLM). Click either name above to swap in a different company.

Mayville Engineering Company, Inc. is the larger business by last-quarter revenue ($134.3M vs $87.9M, roughly 1.5× UNITED STATES LIME & MINERALS INC). UNITED STATES LIME & MINERALS INC runs the higher net margin — 34.7% vs -3.2%, a 38.0% gap on every dollar of revenue. On growth, Mayville Engineering Company, Inc. posted the faster year-over-year revenue change (10.7% vs 9.8%). UNITED STATES LIME & MINERALS INC produced more free cash flow last quarter ($25.7M vs $10.2M). Over the past eight quarters, UNITED STATES LIME & MINERALS INC's revenue compounded faster (10.8% CAGR vs -8.8%).

Mayville Engineering Company, Inc. is a U.S.-headquartered leading manufacturer of metal components, fabricated assemblies, and custom engineered solutions. It serves OEM clients across agriculture, construction, transportation, defense, and power sports markets, offering end-to-end services from prototyping to high-volume production for North America.

United States Lime & Minerals Inc is a leading US-based natural resources enterprise that produces high-calcium lime, dolomitic lime, limestone and related mineral products. Its core client segments cover infrastructure construction, steel manufacturing, agricultural soil amendment, environmental emission control and industrial processing, serving customers across North America.

MEC vs USLM — Head-to-Head

Bigger by revenue
MEC
MEC
1.5× larger
MEC
$134.3M
$87.9M
USLM
Growing faster (revenue YoY)
MEC
MEC
+0.8% gap
MEC
10.7%
9.8%
USLM
Higher net margin
USLM
USLM
38.0% more per $
USLM
34.7%
-3.2%
MEC
More free cash flow
USLM
USLM
$15.5M more FCF
USLM
$25.7M
$10.2M
MEC
Faster 2-yr revenue CAGR
USLM
USLM
Annualised
USLM
10.8%
-8.8%
MEC

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
MEC
MEC
USLM
USLM
Revenue
$134.3M
$87.9M
Net Profit
$-4.4M
$30.5M
Gross Margin
6.8%
48.0%
Operating Margin
-4.1%
41.0%
Net Margin
-3.2%
34.7%
Revenue YoY
10.7%
9.8%
Net Profit YoY
-127.3%
13.2%
EPS (diluted)
$-0.22
$1.06

Green = leading value per metric. Periods may differ when fiscal calendars don't align.

8-Quarter Revenue & Profit Trend

Side-by-side quarterly history. Quarters aligned by calendar period so offset fiscal years line up.

Revenue
MEC
MEC
USLM
USLM
Q4 25
$134.3M
$87.9M
Q3 25
$144.3M
$102.0M
Q2 25
$132.3M
$91.5M
Q1 25
$135.6M
$91.3M
Q4 24
$121.3M
$80.1M
Q3 24
$135.4M
$89.4M
Q2 24
$163.6M
$76.5M
Q1 24
$161.3M
$71.7M
Net Profit
MEC
MEC
USLM
USLM
Q4 25
$-4.4M
$30.5M
Q3 25
$-2.7M
$38.8M
Q2 25
$-1.1M
$30.8M
Q1 25
$20.0K
$34.1M
Q4 24
$16.0M
$27.0M
Q3 24
$3.0M
$33.4M
Q2 24
$3.8M
$26.1M
Q1 24
$3.2M
$22.4M
Gross Margin
MEC
MEC
USLM
USLM
Q4 25
6.8%
48.0%
Q3 25
11.0%
51.2%
Q2 25
10.3%
45.8%
Q1 25
11.3%
50.6%
Q4 24
8.9%
44.3%
Q3 24
12.6%
48.2%
Q2 24
13.6%
45.5%
Q1 24
13.0%
42.7%
Operating Margin
MEC
MEC
USLM
USLM
Q4 25
-4.1%
41.0%
Q3 25
0.0%
45.3%
Q2 25
0.1%
39.0%
Q1 25
1.2%
43.7%
Q4 24
19.0%
38.8%
Q3 24
4.2%
42.6%
Q2 24
5.0%
39.1%
Q1 24
4.7%
35.9%
Net Margin
MEC
MEC
USLM
USLM
Q4 25
-3.2%
34.7%
Q3 25
-1.9%
38.0%
Q2 25
-0.8%
33.7%
Q1 25
0.0%
37.4%
Q4 24
13.2%
33.7%
Q3 24
2.2%
37.3%
Q2 24
2.3%
34.0%
Q1 24
2.0%
31.3%
EPS (diluted)
MEC
MEC
USLM
USLM
Q4 25
$-0.22
$1.06
Q3 25
$-0.13
$1.35
Q2 25
$-0.05
$1.07
Q1 25
$0.00
$1.19
Q4 24
$0.76
$-2.20
Q3 24
$0.14
$1.16
Q2 24
$0.18
$0.91
Q1 24
$0.16
$3.92

Balance Sheet & Financial Strength

Snapshot of each company's liquidity, leverage and book value from the latest quarter.

Metric
MEC
MEC
USLM
USLM
Cash + ST InvestmentsLiquidity on hand
$1.5M
$371.1M
Total DebtLower is stronger
$0
Stockholders' EquityBook value
$240.7M
$630.8M
Total Assets
$563.6M
$681.0M
Debt / EquityLower = less leverage
0.00×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
MEC
MEC
USLM
USLM
Q4 25
$1.5M
$371.1M
Q3 25
$1.2M
$349.5M
Q2 25
$206.0K
$319.9M
Q1 25
$183.0K
$300.6M
Q4 24
$206.0K
$278.0M
Q3 24
$178.0K
$255.0M
Q2 24
$314.0K
$222.5M
Q1 24
$314.0K
$207.0M
Total Debt
MEC
MEC
USLM
USLM
Q4 25
$0
Q3 25
$0
Q2 25
$0
Q1 25
$0
Q4 24
$0
Q3 24
$0
Q2 24
$0
Q1 24
$0
Stockholders' Equity
MEC
MEC
USLM
USLM
Q4 25
$240.7M
$630.8M
Q3 25
$244.8M
$602.3M
Q2 25
$246.8M
$563.3M
Q1 25
$250.0M
$532.2M
Q4 24
$251.8M
$497.7M
Q3 24
$238.4M
$474.2M
Q2 24
$238.1M
$441.1M
Q1 24
$234.0M
$415.3M
Total Assets
MEC
MEC
USLM
USLM
Q4 25
$563.6M
$681.0M
Q3 25
$585.6M
$652.8M
Q2 25
$433.7M
$607.4M
Q1 25
$447.7M
$585.3M
Q4 24
$445.6M
$543.2M
Q3 24
$466.0M
$521.8M
Q2 24
$488.2M
$484.2M
Q1 24
$499.9M
$464.0M
Debt / Equity
MEC
MEC
USLM
USLM
Q4 25
0.00×
Q3 25
0.00×
Q2 25
0.00×
Q1 25
0.00×
Q4 24
0.00×
Q3 24
0.00×
Q2 24
0.00×
Q1 24
0.00×

Cash Flow & Capital Efficiency

How much cash each business actually produces after reinvestment. Cash flow is harder to manipulate than net income.

Metric
MEC
MEC
USLM
USLM
Operating Cash FlowLast quarter
$13.4M
$45.6M
Free Cash FlowOCF − Capex
$10.2M
$25.7M
FCF MarginFCF / Revenue
7.6%
29.2%
Capex IntensityCapex / Revenue
2.4%
22.6%
Cash ConversionOCF / Net Profit
1.49×
TTM Free Cash FlowTrailing 4 quarters
$26.9M
$102.3M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
MEC
MEC
USLM
USLM
Q4 25
$13.4M
$45.6M
Q3 25
$1.9M
$45.9M
Q2 25
$15.0M
$34.0M
Q1 25
$8.3M
$39.4M
Q4 24
$38.0M
$38.6M
Q3 24
$17.9M
$39.0M
Q2 24
$23.3M
$21.2M
Q1 24
$10.6M
$27.2M
Free Cash Flow
MEC
MEC
USLM
USLM
Q4 25
$10.2M
$25.7M
Q3 25
$-1.1M
$31.3M
Q2 25
$12.5M
$20.8M
Q1 25
$5.4M
$24.6M
Q4 24
$35.6M
$27.6M
Q3 24
$15.1M
$33.9M
Q2 24
$19.2M
$16.8M
Q1 24
$7.8M
$20.3M
FCF Margin
MEC
MEC
USLM
USLM
Q4 25
7.6%
29.2%
Q3 25
-0.8%
30.7%
Q2 25
9.5%
22.7%
Q1 25
4.0%
26.9%
Q4 24
29.4%
34.4%
Q3 24
11.1%
37.9%
Q2 24
11.7%
21.9%
Q1 24
4.9%
28.4%
Capex Intensity
MEC
MEC
USLM
USLM
Q4 25
2.4%
22.6%
Q3 25
2.1%
14.4%
Q2 25
1.8%
14.5%
Q1 25
2.2%
16.3%
Q4 24
1.9%
13.8%
Q3 24
2.1%
5.8%
Q2 24
2.5%
5.7%
Q1 24
1.7%
9.5%
Cash Conversion
MEC
MEC
USLM
USLM
Q4 25
1.49×
Q3 25
1.18×
Q2 25
1.10×
Q1 25
416.65×
1.16×
Q4 24
2.38×
1.43×
Q3 24
6.03×
1.17×
Q2 24
6.15×
0.81×
Q1 24
3.28×
1.21×

Financial Flow Comparison

Revenue → gross profit → operating profit → net profit for each company.

Revenue Breakdown by Segment

MEC
MEC

Fabrication$72.2M54%
Construction And Access$19.2M14%
Tubes$16.2M12%
Other Market$11.9M9%
Agriculture$7.7M6%
Military$6.7M5%
Outdoor Sports$1.7M1%

USLM
USLM

Segment breakdown not available.

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