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Side-by-side financial comparison of INSTEEL INDUSTRIES INC (IIIN) and Proto Labs Inc (PRLB). Click either name above to swap in a different company.

INSTEEL INDUSTRIES INC is the larger business by last-quarter revenue ($159.9M vs $139.3M, roughly 1.1× Proto Labs Inc). Proto Labs Inc runs the higher net margin — 5.8% vs 4.7%, a 1.1% gap on every dollar of revenue. On growth, INSTEEL INDUSTRIES INC posted the faster year-over-year revenue change (23.3% vs 10.4%). Over the past eight quarters, INSTEEL INDUSTRIES INC's revenue compounded faster (12.0% CAGR vs 5.3%).

Insteel Industries Inc is a leading U.S. manufacturer of steel reinforcing products including welded wire reinforcement and steel fibers. It primarily serves non-residential construction, infrastructure, and precast concrete segments across North America, delivering high-performance reinforcement solutions for various construction projects.

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...

IIIN vs PRLB — Head-to-Head

Bigger by revenue
IIIN
IIIN
1.1× larger
IIIN
$159.9M
$139.3M
PRLB
Growing faster (revenue YoY)
IIIN
IIIN
+12.9% gap
IIIN
23.3%
10.4%
PRLB
Higher net margin
PRLB
PRLB
1.1% more per $
PRLB
5.8%
4.7%
IIIN
Faster 2-yr revenue CAGR
IIIN
IIIN
Annualised
IIIN
12.0%
5.3%
PRLB

Income Statement — Q1 FY2026 vs Q1 FY2026

Metric
IIIN
IIIN
PRLB
PRLB
Revenue
$159.9M
$139.3M
Net Profit
$7.6M
$8.1M
Gross Margin
11.3%
45.6%
Operating Margin
6.0%
7.1%
Net Margin
4.7%
5.8%
Revenue YoY
23.3%
10.4%
Net Profit YoY
602.4%
125.4%
EPS (diluted)
$0.39
$0.29

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
IIIN
IIIN
PRLB
PRLB
Q1 26
$139.3M
Q4 25
$159.9M
$136.5M
Q3 25
$177.4M
$135.4M
Q2 25
$179.9M
$135.1M
Q1 25
$160.7M
$126.2M
Q4 24
$129.7M
$121.8M
Q3 24
$134.3M
$125.6M
Q2 24
$145.8M
$125.6M
Net Profit
IIIN
IIIN
PRLB
PRLB
Q1 26
$8.1M
Q4 25
$7.6M
Q3 25
$14.6M
$7.2M
Q2 25
$15.2M
$4.4M
Q1 25
$10.2M
$3.6M
Q4 24
$1.1M
Q3 24
$4.7M
$7.2M
Q2 24
$6.6M
$4.5M
Gross Margin
IIIN
IIIN
PRLB
PRLB
Q1 26
45.6%
Q4 25
11.3%
44.2%
Q3 25
16.1%
45.3%
Q2 25
17.1%
44.3%
Q1 25
15.3%
44.1%
Q4 24
7.3%
42.7%
Q3 24
9.1%
45.6%
Q2 24
10.6%
45.0%
Operating Margin
IIIN
IIIN
PRLB
PRLB
Q1 26
7.1%
Q4 25
6.0%
5.0%
Q3 25
10.8%
6.5%
Q2 25
11.0%
3.7%
Q1 25
8.3%
3.6%
Q4 24
1.1%
-1.2%
Q3 24
4.5%
6.8%
Q2 24
6.0%
4.8%
Net Margin
IIIN
IIIN
PRLB
PRLB
Q1 26
5.8%
Q4 25
4.7%
Q3 25
8.2%
5.3%
Q2 25
8.4%
3.3%
Q1 25
6.4%
2.9%
Q4 24
0.8%
Q3 24
3.5%
5.7%
Q2 24
4.5%
3.6%
EPS (diluted)
IIIN
IIIN
PRLB
PRLB
Q1 26
$0.29
Q4 25
$0.39
$0.25
Q3 25
$0.74
$0.30
Q2 25
$0.78
$0.18
Q1 25
$0.52
$0.15
Q4 24
$0.06
$-0.01
Q3 24
$0.24
$0.29
Q2 24
$0.34
$0.18

Balance Sheet & Financial Strength

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

Metric
IIIN
IIIN
PRLB
PRLB
Cash + ST InvestmentsLiquidity on hand
$15.6M
$124.0M
Total DebtLower is stronger
Stockholders' EquityBook value
$358.8M
$683.1M
Total Assets
$456.1M
$778.6M
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
IIIN
IIIN
PRLB
PRLB
Q1 26
$124.0M
Q4 25
$15.6M
$128.1M
Q3 25
$38.6M
$119.2M
Q2 25
$53.7M
$103.2M
Q1 25
$28.4M
$96.8M
Q4 24
$36.0M
$103.1M
Q3 24
$111.5M
$100.5M
Q2 24
$97.7M
$112.9M
Stockholders' Equity
IIIN
IIIN
PRLB
PRLB
Q1 26
$683.1M
Q4 25
$358.8M
$673.9M
Q3 25
$371.5M
$664.7M
Q2 25
$356.2M
$664.7M
Q1 25
$341.4M
$656.8M
Q4 24
$331.6M
$670.2M
Q3 24
$350.9M
$680.0M
Q2 24
$346.0M
$685.2M
Total Assets
IIIN
IIIN
PRLB
PRLB
Q1 26
$778.6M
Q4 25
$456.1M
$763.4M
Q3 25
$462.6M
$756.9M
Q2 25
$471.9M
$743.3M
Q1 25
$421.9M
$737.5M
Q4 24
$404.7M
$743.5M
Q3 24
$422.6M
$753.8M
Q2 24
$414.6M
$758.2M

Cash Flow & Capital Efficiency

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

Metric
IIIN
IIIN
PRLB
PRLB
Operating Cash FlowLast quarter
$-701.0K
$17.5M
Free Cash FlowOCF − Capex
$-2.2M
FCF MarginFCF / Revenue
-1.4%
Capex IntensityCapex / Revenue
0.9%
Cash ConversionOCF / Net Profit
-0.09×
2.16×
TTM Free Cash FlowTrailing 4 quarters
$439.0K

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
IIIN
IIIN
PRLB
PRLB
Q1 26
$17.5M
Q4 25
$-701.0K
$16.5M
Q3 25
$-17.0M
$29.1M
Q2 25
$28.5M
$10.6M
Q1 25
$-3.3M
$18.4M
Q4 24
$19.0M
$17.3M
Q3 24
$16.2M
$24.8M
Q2 24
$18.8M
$14.4M
Free Cash Flow
IIIN
IIIN
PRLB
PRLB
Q1 26
Q4 25
$-2.2M
$8.4M
Q3 25
$-18.7M
$25.0M
Q2 25
$26.9M
$9.1M
Q1 25
$-5.5M
$17.1M
Q4 24
$16.3M
$16.5M
Q3 24
$14.5M
$23.2M
Q2 24
$15.5M
$10.2M
FCF Margin
IIIN
IIIN
PRLB
PRLB
Q1 26
Q4 25
-1.4%
6.2%
Q3 25
-10.6%
18.5%
Q2 25
15.0%
6.7%
Q1 25
-3.5%
13.6%
Q4 24
12.6%
13.5%
Q3 24
10.8%
18.5%
Q2 24
10.7%
8.2%
Capex Intensity
IIIN
IIIN
PRLB
PRLB
Q1 26
Q4 25
0.9%
5.9%
Q3 25
1.0%
3.0%
Q2 25
0.9%
1.1%
Q1 25
1.4%
1.0%
Q4 24
2.1%
0.7%
Q3 24
1.3%
1.2%
Q2 24
2.2%
3.3%
Cash Conversion
IIIN
IIIN
PRLB
PRLB
Q1 26
2.16×
Q4 25
-0.09×
Q3 25
-1.17×
4.03×
Q2 25
1.88×
2.39×
Q1 25
-0.32×
5.11×
Q4 24
17.56×
Q3 24
3.48×
3.44×
Q2 24
2.86×
3.18×

Financial Flow Comparison

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

Revenue Breakdown by Segment

IIIN
IIIN

Welded Wire Reinforcement$108.4M68%
PC Strand$51.6M32%

PRLB
PRLB

CNC Machining$63.2M45%
Injection Molding$51.1M37%
3D Printing$20.5M15%
Sheet Metal$4.4M3%
Other Revenue$207.0K0%

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