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Side-by-side financial comparison of NATIONAL PRESTO INDUSTRIES INC (NPK) and OPAL Fuels Inc. (OPAL). Click either name above to swap in a different company.
NATIONAL PRESTO INDUSTRIES INC is the larger business by last-quarter revenue ($164.0M vs $88.4M, roughly 1.9× OPAL Fuels Inc.). On growth, NATIONAL PRESTO INDUSTRIES INC posted the faster year-over-year revenue change (21.7% vs 18.7%). NATIONAL PRESTO INDUSTRIES INC produced more free cash flow last quarter ($12.4M vs $-13.4M). Over the past eight quarters, NATIONAL PRESTO INDUSTRIES INC's revenue compounded faster (46.3% CAGR vs 17.6%).
National Presto Industries is a company founded in 1905 in Eau Claire, Wisconsin. Originally called "Northwestern Steel and Iron Works" the company changed its name to the "National Pressure Cooker Company" in 1929 and then National Presto Industries, Inc. 1953. The company originally produced pressure canners for commercial, and later home, use. Beginning in 1939, the company introduced small home-use cooking appliances. The company was admitted to the New York Stock Exchange on March 3, 1969.
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.
NPK vs OPAL — Head-to-Head
Income Statement — Q4 FY2025 vs Q4 FY2025
| Metric | | |
|---|---|---|
| Revenue | $164.0M | $88.4M |
| Net Profit | — | $16.2M |
| Gross Margin | 16.9% | — |
| Operating Margin | 11.4% | 7.5% |
| Net Margin | — | 18.3% |
| Revenue YoY | 21.7% | 18.7% |
| Net Profit YoY | — | 401.5% |
| EPS (diluted) | — | $0.08 |
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.
| Q4 25 | $164.0M | $88.4M | ||
| Q3 25 | $115.5M | $77.9M | ||
| Q2 25 | $120.4M | $77.4M | ||
| Q1 25 | $103.6M | $83.0M | ||
| Q4 24 | $134.7M | $74.5M | ||
| Q3 24 | $91.8M | $82.6M | ||
| Q2 24 | $85.1M | $69.8M | ||
| Q1 24 | $76.7M | $64.0M |
| Q4 25 | — | $16.2M | ||
| Q3 25 | $5.3M | $11.4M | ||
| Q2 25 | $5.2M | $7.6M | ||
| Q1 25 | $7.6M | $1.3M | ||
| Q4 24 | — | $-5.4M | ||
| Q3 24 | $8.1M | $17.1M | ||
| Q2 24 | $6.1M | $1.9M | ||
| Q1 24 | $6.6M | $677.0K |
| Q4 25 | 16.9% | — | ||
| Q3 25 | 13.9% | — | ||
| Q2 25 | 15.4% | — | ||
| Q1 25 | 17.5% | — | ||
| Q4 24 | 24.3% | — | ||
| Q3 24 | 18.8% | — | ||
| Q2 24 | 17.3% | — | ||
| Q1 24 | 18.1% | — |
| Q4 25 | 11.4% | 7.5% | ||
| Q3 25 | 5.6% | 4.6% | ||
| Q2 25 | 5.1% | -1.1% | ||
| Q1 25 | 8.8% | -2.3% | ||
| Q4 24 | 17.3% | -0.5% | ||
| Q3 24 | 10.0% | 14.9% | ||
| Q2 24 | 7.5% | 8.1% | ||
| Q1 24 | 8.2% | 5.6% |
| Q4 25 | — | 18.3% | ||
| Q3 25 | 4.6% | 14.6% | ||
| Q2 25 | 4.3% | 9.8% | ||
| Q1 25 | 7.3% | 1.5% | ||
| Q4 24 | — | -7.2% | ||
| Q3 24 | 8.8% | 20.7% | ||
| Q2 24 | 7.1% | 2.7% | ||
| Q1 24 | 8.6% | 1.1% |
| Q4 25 | — | $0.08 | ||
| Q3 25 | — | $0.05 | ||
| Q2 25 | — | $0.03 | ||
| Q1 25 | — | $-0.01 | ||
| Q4 24 | — | $-0.05 | ||
| Q3 24 | — | $0.09 | ||
| Q2 24 | — | $-0.01 | ||
| Q1 24 | — | $-0.01 |
Balance Sheet & Financial Strength
Snapshot of each company's liquidity, leverage and book value from the latest quarter.
| Metric | | |
|---|---|---|
| Cash + ST InvestmentsLiquidity on hand | $3.8M | $24.4M |
| Total DebtLower is stronger | — | $361.3M |
| Stockholders' EquityBook value | $395.1M | $-12.9M |
| Total Assets | $500.7M | $959.5M |
| Debt / EquityLower = less leverage | — | — |
8-quarter trend — quarters aligned by calendar period.
| Q4 25 | $3.8M | $24.4M | ||
| Q3 25 | $4.6M | $29.9M | ||
| Q2 25 | $4.8M | $29.3M | ||
| Q1 25 | $5.5M | $40.1M | ||
| Q4 24 | $22.7M | $24.3M | ||
| Q3 24 | $33.2M | $31.0M | ||
| Q2 24 | $53.4M | $27.6M | ||
| Q1 24 | $87.9M | $34.2M |
| 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 |
| Q4 25 | $395.1M | $-12.9M | ||
| Q3 25 | $379.8M | $7.5M | ||
| Q2 25 | $374.1M | $-25.0M | ||
| Q1 25 | $368.6M | $57.1M | ||
| Q4 24 | $367.6M | $-148.4M | ||
| Q3 24 | $346.6M | $-180.1M | ||
| Q2 24 | $338.1M | $-273.0M | ||
| Q1 24 | $331.6M | $-382.4M |
| Q4 25 | $500.7M | $959.5M | ||
| Q3 25 | $503.8M | $916.7M | ||
| Q2 25 | $471.9M | $905.5M | ||
| Q1 25 | $455.3M | $884.9M | ||
| Q4 24 | $453.4M | $881.1M | ||
| Q3 24 | $428.9M | $831.1M | ||
| Q2 24 | $418.1M | $782.3M | ||
| Q1 24 | $417.5M | $750.5M |
| 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 | | |
|---|---|---|
| Operating Cash FlowLast quarter | $13.9M | $-3.5M |
| Free Cash FlowOCF − Capex | $12.4M | $-13.4M |
| FCF MarginFCF / Revenue | 7.6% | -15.1% |
| Capex IntensityCapex / Revenue | 0.9% | 11.1% |
| Cash ConversionOCF / Net Profit | — | -0.22× |
| TTM Free Cash FlowTrailing 4 quarters | $-36.2M | $-34.2M |
8-quarter trend — quarters aligned by calendar period.
| Q4 25 | $13.9M | $-3.5M | ||
| Q3 25 | $-24.6M | $18.2M | ||
| Q2 25 | $-10.9M | $-7.9M | ||
| Q1 25 | $12.5M | $29.7M | ||
| Q4 24 | $-7.6M | $-532.0K | ||
| Q3 24 | $-17.5M | $17.7M | ||
| Q2 24 | $-33.9M | $533.0K | ||
| Q1 24 | $5.6M | $13.7M |
| Q4 25 | $12.4M | $-13.4M | ||
| Q3 25 | $-24.7M | $-9.3M | ||
| Q2 25 | $-13.4M | $-29.7M | ||
| Q1 25 | $-10.5M | $18.1M | ||
| Q4 24 | $-11.3M | $-55.0M | ||
| Q3 24 | $-20.3M | $-5.4M | ||
| Q2 24 | $-34.5M | $-22.5M | ||
| Q1 24 | $5.2M | $-13.0M |
| Q4 25 | 7.6% | -15.1% | ||
| Q3 25 | -21.4% | -11.9% | ||
| Q2 25 | -11.1% | -38.4% | ||
| Q1 25 | -10.2% | 21.8% | ||
| Q4 24 | -8.4% | -73.8% | ||
| Q3 24 | -22.1% | -6.5% | ||
| Q2 24 | -40.6% | -32.2% | ||
| Q1 24 | 6.7% | -20.4% |
| Q4 25 | 0.9% | 11.1% | ||
| Q3 25 | 0.1% | 35.3% | ||
| Q2 25 | 2.0% | 28.2% | ||
| Q1 25 | 22.2% | 13.9% | ||
| Q4 24 | 2.7% | 73.1% | ||
| Q3 24 | 3.1% | 27.9% | ||
| Q2 24 | 0.8% | 32.9% | ||
| Q1 24 | 0.5% | 41.8% |
| Q4 25 | — | -0.22× | ||
| Q3 25 | -4.63× | 1.60× | ||
| Q2 25 | -2.12× | -1.04× | ||
| Q1 25 | 1.64× | 23.11× | ||
| Q4 24 | — | — | ||
| Q3 24 | -2.16× | 1.03× | ||
| Q2 24 | -5.58× | 0.28× | ||
| Q1 24 | 0.85× | 20.26× |
Financial Flow Comparison
Revenue → gross profit → operating profit → net profit for each company.
Revenue Breakdown by Segment
NPK
Segment breakdown not available.
OPAL
| Fuel Station Services Segment | $65.1M | 74% |
| Related Party | $12.1M | 14% |
| Renewable Power Segment | $8.6M | 10% |
| Other | $2.6M | 3% |
