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Side-by-side financial comparison of NATURAL ALTERNATIVES INTERNATIONAL INC (NAII) and SIFCO INDUSTRIES INC (SIF). Click either name above to swap in a different company.

NATURAL ALTERNATIVES INTERNATIONAL INC is the larger business by last-quarter revenue ($34.8M vs $24.0M, roughly 1.5× SIFCO INDUSTRIES INC). SIFCO INDUSTRIES INC runs the higher net margin — 7.5% vs -7.3%, a 14.8% gap on every dollar of revenue. On growth, SIFCO INDUSTRIES INC posted the faster year-over-year revenue change (14.8% vs 2.1%). SIFCO INDUSTRIES INC produced more free cash flow last quarter ($8.0M vs $-7.3M). Over the past eight quarters, NATURAL ALTERNATIVES INTERNATIONAL INC's revenue compounded faster (17.7% CAGR vs 8.1%).

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.

SIFCO Industries, Inc. (SIFCO), is a global metal component manufacturer based in Cleveland, Ohio.

NAII vs SIF — Head-to-Head

Bigger by revenue
NAII
NAII
1.5× larger
NAII
$34.8M
$24.0M
SIF
Growing faster (revenue YoY)
SIF
SIF
+12.7% gap
SIF
14.8%
2.1%
NAII
Higher net margin
SIF
SIF
14.8% more per $
SIF
7.5%
-7.3%
NAII
More free cash flow
SIF
SIF
$15.2M more FCF
SIF
$8.0M
$-7.3M
NAII
Faster 2-yr revenue CAGR
NAII
NAII
Annualised
NAII
17.7%
8.1%
SIF

Income Statement — Q2 FY2026 vs Q1 FY2026

Metric
NAII
NAII
SIF
SIF
Revenue
$34.8M
$24.0M
Net Profit
$-2.6M
$1.8M
Gross Margin
7.2%
21.6%
Operating Margin
-5.3%
10.7%
Net Margin
-7.3%
7.5%
Revenue YoY
2.1%
14.8%
Net Profit YoY
-16.5%
177.3%
EPS (diluted)
$-0.42
$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
NAII
NAII
SIF
SIF
Q4 25
$34.8M
$24.0M
Q3 25
$37.7M
$22.8M
Q2 25
$33.9M
$22.1M
Q1 25
$28.8M
$19.0M
Q4 24
$34.1M
$20.9M
Q3 24
$33.1M
$21.7M
Q2 24
$29.5M
$22.0M
Q1 24
$25.1M
$20.5M
Net Profit
NAII
NAII
SIF
SIF
Q4 25
$-2.6M
$1.8M
Q3 25
$-291.0K
$-429.0K
Q2 25
$-7.2M
$3.4M
Q1 25
$-2.2M
$-1.4M
Q4 24
$-2.2M
$-2.3M
Q3 24
$-2.0M
$-443.0K
Q2 24
$-1.9M
$72.0K
Q1 24
$-1.6M
$-1.6M
Gross Margin
NAII
NAII
SIF
SIF
Q4 25
7.2%
21.6%
Q3 25
11.7%
9.6%
Q2 25
10.4%
26.7%
Q1 25
6.3%
8.3%
Q4 24
4.9%
4.4%
Q3 24
6.8%
10.7%
Q2 24
4.8%
12.3%
Q1 24
7.6%
7.3%
Operating Margin
NAII
NAII
SIF
SIF
Q4 25
-5.3%
10.7%
Q3 25
0.8%
-1.7%
Q2 25
-5.7%
14.8%
Q1 25
-7.3%
-4.1%
Q4 24
-8.2%
-9.2%
Q3 24
-5.5%
-1.5%
Q2 24
-8.6%
0.7%
Q1 24
-7.8%
-6.5%
Net Margin
NAII
NAII
SIF
SIF
Q4 25
-7.3%
7.5%
Q3 25
-0.8%
-1.9%
Q2 25
-21.3%
15.4%
Q1 25
-7.6%
-7.3%
Q4 24
-6.4%
-11.1%
Q3 24
-6.0%
-2.0%
Q2 24
-6.4%
0.3%
Q1 24
-6.3%
-7.8%
EPS (diluted)
NAII
NAII
SIF
SIF
Q4 25
$-0.42
$0.29
Q3 25
$-0.05
$-0.07
Q2 25
$-1.21
$0.56
Q1 25
$-0.37
$-0.23
Q4 24
$-0.37
$-0.38
Q3 24
$-0.33
$-0.07
Q2 24
$-0.32
$0.01
Q1 24
$-0.27
$-0.27

Balance Sheet & Financial Strength

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

Metric
NAII
NAII
SIF
SIF
Cash + ST InvestmentsLiquidity on hand
$3.8M
$1.1M
Total DebtLower is stronger
$39.0K
Stockholders' EquityBook value
$67.0M
$38.7M
Total Assets
$153.3M
$74.9M
Debt / EquityLower = less leverage
0.00×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
NAII
NAII
SIF
SIF
Q4 25
$3.8M
$1.1M
Q3 25
$7.7M
$491.0K
Q2 25
$12.3M
$2.0M
Q1 25
$10.6M
$1.9M
Q4 24
$8.7M
$3.1M
Q3 24
$10.2M
$1.7M
Q2 24
$12.0M
$3.4M
Q1 24
$12.4M
$2.5M
Total Debt
NAII
NAII
SIF
SIF
Q4 25
$39.0K
Q3 25
$51.0K
Q2 25
Q1 25
Q4 24
Q3 24
$0
Q2 24
$3.6M
Q1 24
$4.1M
Stockholders' Equity
NAII
NAII
SIF
SIF
Q4 25
$67.0M
$38.7M
Q3 25
$69.0M
$36.9M
Q2 25
$68.4M
$35.8M
Q1 25
$76.6M
$32.4M
Q4 24
$79.1M
$33.7M
Q3 24
$80.2M
$30.4M
Q2 24
$82.6M
$29.8M
Q1 24
$84.1M
$29.7M
Total Assets
NAII
NAII
SIF
SIF
Q4 25
$153.3M
$74.9M
Q3 25
$156.9M
$73.4M
Q2 25
$151.9M
$77.3M
Q1 25
$154.9M
$78.8M
Q4 24
$156.1M
$81.0M
Q3 24
$161.3M
$104.6M
Q2 24
$162.3M
$106.3M
Q1 24
$153.2M
$104.2M
Debt / Equity
NAII
NAII
SIF
SIF
Q4 25
0.00×
Q3 25
0.00×
Q2 25
Q1 25
Q4 24
Q3 24
0.00×
Q2 24
0.12×
Q1 24
0.14×

Cash Flow & Capital Efficiency

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

Metric
NAII
NAII
SIF
SIF
Operating Cash FlowLast quarter
$-6.3M
$8.1M
Free Cash FlowOCF − Capex
$-7.3M
$8.0M
FCF MarginFCF / Revenue
-20.9%
33.3%
Capex IntensityCapex / Revenue
2.7%
0.4%
Cash ConversionOCF / Net Profit
4.51×
TTM Free Cash FlowTrailing 4 quarters
$-5.2M
$11.5M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
NAII
NAII
SIF
SIF
Q4 25
$-6.3M
$8.1M
Q3 25
$-4.0M
$726.0K
Q2 25
$3.3M
$371.0K
Q1 25
$6.0M
$2.8M
Q4 24
$37.0K
$-3.8M
Q3 24
$-3.4M
$857.0K
Q2 24
$-2.7M
$382.0K
Q1 24
$-3.6M
$-3.2M
Free Cash Flow
NAII
NAII
SIF
SIF
Q4 25
$-7.3M
$8.0M
Q3 25
$-5.1M
$566.0K
Q2 25
$1.9M
$310.0K
Q1 25
$5.2M
$2.7M
Q4 24
$-1.0M
$-3.9M
Q3 24
$-3.7M
$580.0K
Q2 24
$-3.8M
$-175.0K
Q1 24
$-3.9M
$-3.9M
FCF Margin
NAII
NAII
SIF
SIF
Q4 25
-20.9%
33.3%
Q3 25
-13.4%
2.5%
Q2 25
5.6%
1.4%
Q1 25
18.0%
14.1%
Q4 24
-3.0%
-18.8%
Q3 24
-11.3%
2.7%
Q2 24
-12.7%
-0.8%
Q1 24
-15.5%
-18.9%
Capex Intensity
NAII
NAII
SIF
SIF
Q4 25
2.7%
0.4%
Q3 25
2.7%
0.7%
Q2 25
4.3%
0.3%
Q1 25
2.8%
0.8%
Q4 24
3.1%
0.5%
Q3 24
0.9%
1.3%
Q2 24
3.5%
2.5%
Q1 24
1.1%
3.3%
Cash Conversion
NAII
NAII
SIF
SIF
Q4 25
4.51×
Q3 25
Q2 25
0.11×
Q1 25
Q4 24
Q3 24
Q2 24
5.31×
Q1 24

Financial Flow Comparison

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

Revenue Breakdown by Segment

NAII
NAII

Private Label Contract Manufacturing$32.8M94%
Patent And Trademark Licensing$2.0M6%

SIF
SIF

Fixed Wing Aircraft Revenue$10.5M44%
Commercial Revenue$8.7M36%
Commercial Product And Other Revenue$2.8M12%
Commercial Space$1.1M5%
Other$840.0K4%

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