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Side-by-side financial comparison of Mayville Engineering Company, Inc. (MEC) and Proto Labs Inc (PRLB). Click either name above to swap in a different company.

Proto Labs Inc is the larger business by last-quarter revenue ($136.5M vs $134.3M, roughly 1.0× Mayville Engineering Company, Inc.). On growth, Proto Labs Inc posted the faster year-over-year revenue change (12.1% vs 10.7%). Mayville Engineering Company, Inc. produced more free cash flow last quarter ($10.2M vs $8.4M). Over the past eight quarters, Proto Labs Inc's revenue compounded faster (3.3% 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.

Protolabs is a company that provides rapid manufacturing of 3D printed, CNC-machined, sheet metal, and injection-molded custom parts for prototyping and production. Markets like medical devices, aerospace, electronics, appliances, automotive and consumer products use these parts. Protolabs' headquarters are located in Maple Plain, Minnesota, with Minnesota-based manufacturing facilities in Plymouth, Brooklyn Park, and Rosemount, along with additional facilities in Nashua, New Hampshire and Ca...

MEC vs PRLB — Head-to-Head

Bigger by revenue
PRLB
PRLB
1.0× larger
PRLB
$136.5M
$134.3M
MEC
Growing faster (revenue YoY)
PRLB
PRLB
+1.4% gap
PRLB
12.1%
10.7%
MEC
More free cash flow
MEC
MEC
$1.8M more FCF
MEC
$10.2M
$8.4M
PRLB
Faster 2-yr revenue CAGR
PRLB
PRLB
Annualised
PRLB
3.3%
-8.8%
MEC

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
MEC
MEC
PRLB
PRLB
Revenue
$134.3M
$136.5M
Net Profit
$-4.4M
Gross Margin
6.8%
44.2%
Operating Margin
-4.1%
5.0%
Net Margin
-3.2%
Revenue YoY
10.7%
12.1%
Net Profit YoY
-127.3%
EPS (diluted)
$-0.22
$0.25

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
PRLB
PRLB
Q4 25
$134.3M
$136.5M
Q3 25
$144.3M
$135.4M
Q2 25
$132.3M
$135.1M
Q1 25
$135.6M
$126.2M
Q4 24
$121.3M
$121.8M
Q3 24
$135.4M
$125.6M
Q2 24
$163.6M
$125.6M
Q1 24
$161.3M
$127.9M
Net Profit
MEC
MEC
PRLB
PRLB
Q4 25
$-4.4M
Q3 25
$-2.7M
$7.2M
Q2 25
$-1.1M
$4.4M
Q1 25
$20.0K
$3.6M
Q4 24
$16.0M
Q3 24
$3.0M
$7.2M
Q2 24
$3.8M
$4.5M
Q1 24
$3.2M
$5.3M
Gross Margin
MEC
MEC
PRLB
PRLB
Q4 25
6.8%
44.2%
Q3 25
11.0%
45.3%
Q2 25
10.3%
44.3%
Q1 25
11.3%
44.1%
Q4 24
8.9%
42.7%
Q3 24
12.6%
45.6%
Q2 24
13.6%
45.0%
Q1 24
13.0%
44.9%
Operating Margin
MEC
MEC
PRLB
PRLB
Q4 25
-4.1%
5.0%
Q3 25
0.0%
6.5%
Q2 25
0.1%
3.7%
Q1 25
1.2%
3.6%
Q4 24
19.0%
-1.2%
Q3 24
4.2%
6.8%
Q2 24
5.0%
4.8%
Q1 24
4.7%
5.3%
Net Margin
MEC
MEC
PRLB
PRLB
Q4 25
-3.2%
Q3 25
-1.9%
5.3%
Q2 25
-0.8%
3.3%
Q1 25
0.0%
2.9%
Q4 24
13.2%
Q3 24
2.2%
5.7%
Q2 24
2.3%
3.6%
Q1 24
2.0%
4.1%
EPS (diluted)
MEC
MEC
PRLB
PRLB
Q4 25
$-0.22
$0.25
Q3 25
$-0.13
$0.30
Q2 25
$-0.05
$0.18
Q1 25
$0.00
$0.15
Q4 24
$0.76
$-0.01
Q3 24
$0.14
$0.29
Q2 24
$0.18
$0.18
Q1 24
$0.16
$0.20

Balance Sheet & Financial Strength

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

Metric
MEC
MEC
PRLB
PRLB
Cash + ST InvestmentsLiquidity on hand
$1.5M
$128.1M
Total DebtLower is stronger
Stockholders' EquityBook value
$240.7M
$673.9M
Total Assets
$563.6M
$763.4M
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
MEC
MEC
PRLB
PRLB
Q4 25
$1.5M
$128.1M
Q3 25
$1.2M
$119.2M
Q2 25
$206.0K
$103.2M
Q1 25
$183.0K
$96.8M
Q4 24
$206.0K
$103.1M
Q3 24
$178.0K
$100.5M
Q2 24
$314.0K
$112.9M
Q1 24
$314.0K
$109.7M
Stockholders' Equity
MEC
MEC
PRLB
PRLB
Q4 25
$240.7M
$673.9M
Q3 25
$244.8M
$664.7M
Q2 25
$246.8M
$664.7M
Q1 25
$250.0M
$656.8M
Q4 24
$251.8M
$670.2M
Q3 24
$238.4M
$680.0M
Q2 24
$238.1M
$685.2M
Q1 24
$234.0M
$687.3M
Total Assets
MEC
MEC
PRLB
PRLB
Q4 25
$563.6M
$763.4M
Q3 25
$585.6M
$756.9M
Q2 25
$433.7M
$743.3M
Q1 25
$447.7M
$737.5M
Q4 24
$445.6M
$743.5M
Q3 24
$466.0M
$753.8M
Q2 24
$488.2M
$758.2M
Q1 24
$499.9M
$769.8M

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
PRLB
PRLB
Operating Cash FlowLast quarter
$13.4M
$16.5M
Free Cash FlowOCF − Capex
$10.2M
$8.4M
FCF MarginFCF / Revenue
7.6%
6.2%
Capex IntensityCapex / Revenue
2.4%
5.9%
Cash ConversionOCF / Net Profit
TTM Free Cash FlowTrailing 4 quarters
$26.9M
$59.7M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
MEC
MEC
PRLB
PRLB
Q4 25
$13.4M
$16.5M
Q3 25
$1.9M
$29.1M
Q2 25
$15.0M
$10.6M
Q1 25
$8.3M
$18.4M
Q4 24
$38.0M
$17.3M
Q3 24
$17.9M
$24.8M
Q2 24
$23.3M
$14.4M
Q1 24
$10.6M
$21.3M
Free Cash Flow
MEC
MEC
PRLB
PRLB
Q4 25
$10.2M
$8.4M
Q3 25
$-1.1M
$25.0M
Q2 25
$12.5M
$9.1M
Q1 25
$5.4M
$17.1M
Q4 24
$35.6M
$16.5M
Q3 24
$15.1M
$23.2M
Q2 24
$19.2M
$10.2M
Q1 24
$7.8M
$18.8M
FCF Margin
MEC
MEC
PRLB
PRLB
Q4 25
7.6%
6.2%
Q3 25
-0.8%
18.5%
Q2 25
9.5%
6.7%
Q1 25
4.0%
13.6%
Q4 24
29.4%
13.5%
Q3 24
11.1%
18.5%
Q2 24
11.7%
8.2%
Q1 24
4.9%
14.7%
Capex Intensity
MEC
MEC
PRLB
PRLB
Q4 25
2.4%
5.9%
Q3 25
2.1%
3.0%
Q2 25
1.8%
1.1%
Q1 25
2.2%
1.0%
Q4 24
1.9%
0.7%
Q3 24
2.1%
1.2%
Q2 24
2.5%
3.3%
Q1 24
1.7%
2.0%
Cash Conversion
MEC
MEC
PRLB
PRLB
Q4 25
Q3 25
4.03×
Q2 25
2.39×
Q1 25
416.65×
5.11×
Q4 24
2.38×
Q3 24
6.03×
3.44×
Q2 24
6.15×
3.18×
Q1 24
3.28×
4.05×

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%

PRLB
PRLB

CNC Machining Firstcut$65.5M48%
Injection Molding Protomold$47.6M35%
Three D Printing Fineline$18.8M14%
Sheet Metal$4.4M3%

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