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Side-by-side financial comparison of NATURAL ALTERNATIVES INTERNATIONAL INC (NAII) and NATURAL GAS SERVICES GROUP INC (NGS). Click either name above to swap in a different company.
NATURAL GAS SERVICES GROUP INC is the larger business by last-quarter revenue ($46.1M vs $34.8M, roughly 1.3× NATURAL ALTERNATIVES INTERNATIONAL INC). NATURAL GAS SERVICES GROUP INC runs the higher net margin — 8.9% vs -7.3%, a 16.2% gap on every dollar of revenue. On growth, NATURAL GAS SERVICES GROUP INC posted the faster year-over-year revenue change (13.5% vs 2.1%). NATURAL ALTERNATIVES INTERNATIONAL INC produced more free cash flow last quarter ($-7.3M vs $-20.7M).
Natural Alternatives International, Inc. (NAI) is an American company based in Carlsbad, California which manufactures nutritional supplements such as Juice Plus. NAI was founded in 1980 by Mark A. LeDoux, and had 241 employees in 2007. NAI's manufacturing facilities are located in Vista, California, Switzerland and Japan.
Southern Company Gas, formerly AGL Resources, is an American Fortune 500 energy services holding company headquartered in Atlanta, Georgia. The company's operations consist of natural gas distribution, wholesale services, retail operations, and midstream operations. Southern Company Gas is one of the largest natural gas distribution companies in the United States. The company serves approximately 4.5 million utility customers through its regulated distribution subsidiaries across four states....
NAII vs NGS — Head-to-Head
Income Statement — Q2 FY2026 vs Q4 FY2025
| Metric | | |
|---|---|---|
| Revenue | $34.8M | $46.1M |
| Net Profit | $-2.6M | $4.1M |
| Gross Margin | 7.2% | — |
| Operating Margin | -5.3% | 15.4% |
| Net Margin | -7.3% | 8.9% |
| Revenue YoY | 2.1% | 13.5% |
| Net Profit YoY | -16.5% | 43.2% |
| EPS (diluted) | $-0.42 | $0.32 |
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 | $34.8M | $46.1M | ||
| Q3 25 | $37.7M | $43.4M | ||
| Q2 25 | $33.9M | $41.4M | ||
| Q1 25 | $28.8M | $41.4M | ||
| Q4 24 | $34.1M | $40.7M | ||
| Q3 24 | $33.1M | — | ||
| Q2 24 | $29.5M | — | ||
| Q1 24 | $25.1M | — |
| Q4 25 | $-2.6M | $4.1M | ||
| Q3 25 | $-291.0K | $5.8M | ||
| Q2 25 | $-7.2M | $5.2M | ||
| Q1 25 | $-2.2M | $4.9M | ||
| Q4 24 | $-2.2M | $2.9M | ||
| Q3 24 | $-2.0M | — | ||
| Q2 24 | $-1.9M | — | ||
| Q1 24 | $-1.6M | — |
| Q4 25 | 7.2% | — | ||
| Q3 25 | 11.7% | — | ||
| Q2 25 | 10.4% | — | ||
| Q1 25 | 6.3% | — | ||
| Q4 24 | 4.9% | — | ||
| Q3 24 | 6.8% | — | ||
| Q2 24 | 4.8% | — | ||
| Q1 24 | 7.6% | — |
| Q4 25 | -5.3% | 15.4% | ||
| Q3 25 | 0.8% | 24.8% | ||
| Q2 25 | -5.7% | 24.0% | ||
| Q1 25 | -7.3% | 23.0% | ||
| Q4 24 | -8.2% | 14.9% | ||
| Q3 24 | -5.5% | — | ||
| Q2 24 | -8.6% | — | ||
| Q1 24 | -7.8% | — |
| Q4 25 | -7.3% | 8.9% | ||
| Q3 25 | -0.8% | 13.3% | ||
| Q2 25 | -21.3% | 12.5% | ||
| Q1 25 | -7.6% | 11.7% | ||
| Q4 24 | -6.4% | 7.0% | ||
| Q3 24 | -6.0% | — | ||
| Q2 24 | -6.4% | — | ||
| Q1 24 | -6.3% | — |
| Q4 25 | $-0.42 | $0.32 | ||
| Q3 25 | $-0.05 | $0.46 | ||
| Q2 25 | $-1.21 | $0.41 | ||
| Q1 25 | $-0.37 | $0.38 | ||
| Q4 24 | $-0.37 | $0.22 | ||
| Q3 24 | $-0.33 | — | ||
| Q2 24 | $-0.32 | — | ||
| Q1 24 | $-0.27 | — |
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 | — |
| Total DebtLower is stronger | — | — |
| Stockholders' EquityBook value | $67.0M | $274.7M |
| Total Assets | $153.3M | $586.8M |
| Debt / EquityLower = less leverage | — | — |
8-quarter trend — quarters aligned by calendar period.
| Q4 25 | $3.8M | — | ||
| Q3 25 | $7.7M | — | ||
| Q2 25 | $12.3M | $325.0K | ||
| Q1 25 | $10.6M | $2.1M | ||
| Q4 24 | $8.7M | $2.1M | ||
| Q3 24 | $10.2M | — | ||
| Q2 24 | $12.0M | — | ||
| Q1 24 | $12.4M | — |
| Q4 25 | $67.0M | $274.7M | ||
| Q3 25 | $69.0M | $271.4M | ||
| Q2 25 | $68.4M | $266.2M | ||
| Q1 25 | $76.6M | $260.3M | ||
| Q4 24 | $79.1M | $255.1M | ||
| Q3 24 | $80.2M | — | ||
| Q2 24 | $82.6M | — | ||
| Q1 24 | $84.1M | — |
| Q4 25 | $153.3M | $586.8M | ||
| Q3 25 | $156.9M | $562.3M | ||
| Q2 25 | $151.9M | $525.5M | ||
| Q1 25 | $154.9M | $501.7M | ||
| Q4 24 | $156.1M | $492.5M | ||
| Q3 24 | $161.3M | — | ||
| Q2 24 | $162.3M | — | ||
| Q1 24 | $153.2M | — |
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 | $-6.3M | $13.9M |
| Free Cash FlowOCF − Capex | $-7.3M | $-20.7M |
| FCF MarginFCF / Revenue | -20.9% | -44.8% |
| Capex IntensityCapex / Revenue | 2.7% | 74.9% |
| Cash ConversionOCF / Net Profit | — | 3.38× |
| TTM Free Cash FlowTrailing 4 quarters | $-5.2M | $-58.6M |
8-quarter trend — quarters aligned by calendar period.
| Q4 25 | $-6.3M | $13.9M | ||
| Q3 25 | $-4.0M | $16.8M | ||
| Q2 25 | $3.3M | $11.0M | ||
| Q1 25 | $6.0M | $21.3M | ||
| Q4 24 | $37.0K | $9.4M | ||
| Q3 24 | $-3.4M | — | ||
| Q2 24 | $-2.7M | — | ||
| Q1 24 | $-3.6M | — |
| Q4 25 | $-7.3M | $-20.7M | ||
| Q3 25 | $-5.1M | $-25.1M | ||
| Q2 25 | $1.9M | $-14.8M | ||
| Q1 25 | $5.2M | $2.0M | ||
| Q4 24 | $-1.0M | $-5.1M | ||
| Q3 24 | $-3.7M | — | ||
| Q2 24 | $-3.8M | — | ||
| Q1 24 | $-3.9M | — |
| Q4 25 | -20.9% | -44.8% | ||
| Q3 25 | -13.4% | -57.7% | ||
| Q2 25 | 5.6% | -35.8% | ||
| Q1 25 | 18.0% | 4.9% | ||
| Q4 24 | -3.0% | -12.6% | ||
| Q3 24 | -11.3% | — | ||
| Q2 24 | -12.7% | — | ||
| Q1 24 | -15.5% | — |
| Q4 25 | 2.7% | 74.9% | ||
| Q3 25 | 2.7% | 96.5% | ||
| Q2 25 | 4.3% | 62.4% | ||
| Q1 25 | 2.8% | 46.5% | ||
| Q4 24 | 3.1% | 35.8% | ||
| Q3 24 | 0.9% | — | ||
| Q2 24 | 3.5% | — | ||
| Q1 24 | 1.1% | — |
| Q4 25 | — | 3.38× | ||
| Q3 25 | — | 2.90× | ||
| Q2 25 | — | 2.12× | ||
| Q1 25 | — | 4.38× | ||
| Q4 24 | — | 3.29× | ||
| Q3 24 | — | — | ||
| Q2 24 | — | — | ||
| Q1 24 | — | — |
Financial Flow Comparison
Revenue → gross profit → operating profit → net profit for each company.
Revenue Breakdown by Segment
NAII
| Private Label Contract Manufacturing | $32.8M | 94% |
| Patent And Trademark Licensing | $2.0M | 6% |
NGS
Segment breakdown not available.
