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Side-by-side financial comparison of OPAL Fuels Inc. (OPAL) 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 $88.4M, roughly 1.5× OPAL Fuels Inc.). On growth, OPAL Fuels Inc. posted the faster year-over-year revenue change (18.7% vs 12.1%). Proto Labs Inc produced more free cash flow last quarter ($8.4M vs $-13.4M). Over the past eight quarters, OPAL Fuels Inc.'s revenue compounded faster (17.6% CAGR vs 3.3%).

OPAL Fuels Inc. is a North American energy company focused on producing and distributing low-carbon renewable natural gas (RNG). It captures methane from landfills, dairy operations and other organic waste streams to produce RNG, which is mainly supplied to heavy-duty transportation fleets, commercial logistics operators and public transport entities to help reduce their greenhouse gas emissions.

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...

OPAL vs PRLB — Head-to-Head

Bigger by revenue
PRLB
PRLB
1.5× larger
PRLB
$136.5M
$88.4M
OPAL
Growing faster (revenue YoY)
OPAL
OPAL
+6.6% gap
OPAL
18.7%
12.1%
PRLB
More free cash flow
PRLB
PRLB
$21.8M more FCF
PRLB
$8.4M
$-13.4M
OPAL
Faster 2-yr revenue CAGR
OPAL
OPAL
Annualised
OPAL
17.6%
3.3%
PRLB

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
OPAL
OPAL
PRLB
PRLB
Revenue
$88.4M
$136.5M
Net Profit
$16.2M
Gross Margin
44.2%
Operating Margin
7.5%
5.0%
Net Margin
18.3%
Revenue YoY
18.7%
12.1%
Net Profit YoY
401.5%
EPS (diluted)
$0.08
$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
OPAL
OPAL
PRLB
PRLB
Q4 25
$88.4M
$136.5M
Q3 25
$77.9M
$135.4M
Q2 25
$77.4M
$135.1M
Q1 25
$83.0M
$126.2M
Q4 24
$74.5M
$121.8M
Q3 24
$82.6M
$125.6M
Q2 24
$69.8M
$125.6M
Q1 24
$64.0M
$127.9M
Net Profit
OPAL
OPAL
PRLB
PRLB
Q4 25
$16.2M
Q3 25
$11.4M
$7.2M
Q2 25
$7.6M
$4.4M
Q1 25
$1.3M
$3.6M
Q4 24
$-5.4M
Q3 24
$17.1M
$7.2M
Q2 24
$1.9M
$4.5M
Q1 24
$677.0K
$5.3M
Gross Margin
OPAL
OPAL
PRLB
PRLB
Q4 25
44.2%
Q3 25
45.3%
Q2 25
44.3%
Q1 25
44.1%
Q4 24
42.7%
Q3 24
45.6%
Q2 24
45.0%
Q1 24
44.9%
Operating Margin
OPAL
OPAL
PRLB
PRLB
Q4 25
7.5%
5.0%
Q3 25
4.6%
6.5%
Q2 25
-1.1%
3.7%
Q1 25
-2.3%
3.6%
Q4 24
-0.5%
-1.2%
Q3 24
14.9%
6.8%
Q2 24
8.1%
4.8%
Q1 24
5.6%
5.3%
Net Margin
OPAL
OPAL
PRLB
PRLB
Q4 25
18.3%
Q3 25
14.6%
5.3%
Q2 25
9.8%
3.3%
Q1 25
1.5%
2.9%
Q4 24
-7.2%
Q3 24
20.7%
5.7%
Q2 24
2.7%
3.6%
Q1 24
1.1%
4.1%
EPS (diluted)
OPAL
OPAL
PRLB
PRLB
Q4 25
$0.08
$0.25
Q3 25
$0.05
$0.30
Q2 25
$0.03
$0.18
Q1 25
$-0.01
$0.15
Q4 24
$-0.05
$-0.01
Q3 24
$0.09
$0.29
Q2 24
$-0.01
$0.18
Q1 24
$-0.01
$0.20

Balance Sheet & Financial Strength

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

Metric
OPAL
OPAL
PRLB
PRLB
Cash + ST InvestmentsLiquidity on hand
$24.4M
$128.1M
Total DebtLower is stronger
$361.3M
Stockholders' EquityBook value
$-12.9M
$673.9M
Total Assets
$959.5M
$763.4M
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
OPAL
OPAL
PRLB
PRLB
Q4 25
$24.4M
$128.1M
Q3 25
$29.9M
$119.2M
Q2 25
$29.3M
$103.2M
Q1 25
$40.1M
$96.8M
Q4 24
$24.3M
$103.1M
Q3 24
$31.0M
$100.5M
Q2 24
$27.6M
$112.9M
Q1 24
$34.2M
$109.7M
Total Debt
OPAL
OPAL
PRLB
PRLB
Q4 25
$361.3M
Q3 25
$351.2M
Q2 25
$331.6M
Q1 25
$307.0M
Q4 24
$307.5M
Q3 24
$252.9M
Q2 24
$233.3M
Q1 24
$208.7M
Stockholders' Equity
OPAL
OPAL
PRLB
PRLB
Q4 25
$-12.9M
$673.9M
Q3 25
$7.5M
$664.7M
Q2 25
$-25.0M
$664.7M
Q1 25
$57.1M
$656.8M
Q4 24
$-148.4M
$670.2M
Q3 24
$-180.1M
$680.0M
Q2 24
$-273.0M
$685.2M
Q1 24
$-382.4M
$687.3M
Total Assets
OPAL
OPAL
PRLB
PRLB
Q4 25
$959.5M
$763.4M
Q3 25
$916.7M
$756.9M
Q2 25
$905.5M
$743.3M
Q1 25
$884.9M
$737.5M
Q4 24
$881.1M
$743.5M
Q3 24
$831.1M
$753.8M
Q2 24
$782.3M
$758.2M
Q1 24
$750.5M
$769.8M
Debt / Equity
OPAL
OPAL
PRLB
PRLB
Q4 25
Q3 25
46.95×
Q2 25
Q1 25
5.38×
Q4 24
Q3 24
Q2 24
Q1 24

Cash Flow & Capital Efficiency

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

Metric
OPAL
OPAL
PRLB
PRLB
Operating Cash FlowLast quarter
$-3.5M
$16.5M
Free Cash FlowOCF − Capex
$-13.4M
$8.4M
FCF MarginFCF / Revenue
-15.1%
6.2%
Capex IntensityCapex / Revenue
11.1%
5.9%
Cash ConversionOCF / Net Profit
-0.22×
TTM Free Cash FlowTrailing 4 quarters
$-34.2M
$59.7M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
OPAL
OPAL
PRLB
PRLB
Q4 25
$-3.5M
$16.5M
Q3 25
$18.2M
$29.1M
Q2 25
$-7.9M
$10.6M
Q1 25
$29.7M
$18.4M
Q4 24
$-532.0K
$17.3M
Q3 24
$17.7M
$24.8M
Q2 24
$533.0K
$14.4M
Q1 24
$13.7M
$21.3M
Free Cash Flow
OPAL
OPAL
PRLB
PRLB
Q4 25
$-13.4M
$8.4M
Q3 25
$-9.3M
$25.0M
Q2 25
$-29.7M
$9.1M
Q1 25
$18.1M
$17.1M
Q4 24
$-55.0M
$16.5M
Q3 24
$-5.4M
$23.2M
Q2 24
$-22.5M
$10.2M
Q1 24
$-13.0M
$18.8M
FCF Margin
OPAL
OPAL
PRLB
PRLB
Q4 25
-15.1%
6.2%
Q3 25
-11.9%
18.5%
Q2 25
-38.4%
6.7%
Q1 25
21.8%
13.6%
Q4 24
-73.8%
13.5%
Q3 24
-6.5%
18.5%
Q2 24
-32.2%
8.2%
Q1 24
-20.4%
14.7%
Capex Intensity
OPAL
OPAL
PRLB
PRLB
Q4 25
11.1%
5.9%
Q3 25
35.3%
3.0%
Q2 25
28.2%
1.1%
Q1 25
13.9%
1.0%
Q4 24
73.1%
0.7%
Q3 24
27.9%
1.2%
Q2 24
32.9%
3.3%
Q1 24
41.8%
2.0%
Cash Conversion
OPAL
OPAL
PRLB
PRLB
Q4 25
-0.22×
Q3 25
1.60×
4.03×
Q2 25
-1.04×
2.39×
Q1 25
23.11×
5.11×
Q4 24
Q3 24
1.03×
3.44×
Q2 24
0.28×
3.18×
Q1 24
20.26×
4.05×

Financial Flow Comparison

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

Revenue Breakdown by Segment

OPAL
OPAL

Fuel Station Services Segment$65.1M74%
Related Party$12.1M14%
Renewable Power Segment$8.6M10%
Other$2.6M3%

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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