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Side-by-side financial comparison of AutoZone (AZO) and FOSTER L B CO (FSTR). Click either name above to swap in a different company.

AutoZone is the larger business by last-quarter revenue ($4.3B vs $160.4M, roughly 26.7× FOSTER L B CO). AutoZone runs the higher net margin — 11.0% vs 1.5%, a 9.5% gap on every dollar of revenue. On growth, FOSTER L B CO posted the faster year-over-year revenue change (25.1% vs 8.1%). AutoZone produced more free cash flow last quarter ($35.6M vs $19.8M). Over the past eight quarters, FOSTER L B CO's revenue compounded faster (13.6% CAGR vs 0.5%).

AutoZone, Inc., doing business as AutoZone, is an American retailer of aftermarket automotive parts and accessories, the largest in the United States. Founded in 1979, AutoZone has 7,140 stores across the United States, Mexico, Puerto Rico, Brazil, and the US Virgin Islands. The company is based in Memphis, Tennessee.

Foster L B Co. is a U.S.-headquartered industrial manufacturing firm that develops, produces and distributes engineered access solutions, construction components, and rail infrastructure products. It serves commercial construction, transportation, and industrial end markets across North America and selected international regions.

AZO vs FSTR — Head-to-Head

Bigger by revenue
AZO
AZO
26.7× larger
AZO
$4.3B
$160.4M
FSTR
Growing faster (revenue YoY)
FSTR
FSTR
+17.0% gap
FSTR
25.1%
8.1%
AZO
Higher net margin
AZO
AZO
9.5% more per $
AZO
11.0%
1.5%
FSTR
More free cash flow
AZO
AZO
$15.8M more FCF
AZO
$35.6M
$19.8M
FSTR
Faster 2-yr revenue CAGR
FSTR
FSTR
Annualised
FSTR
13.6%
0.5%
AZO

Income Statement — Q2 2026 vs Q4 2025

Metric
AZO
AZO
FSTR
FSTR
Revenue
$4.3B
$160.4M
Net Profit
$468.9M
$2.4M
Gross Margin
52.5%
19.7%
Operating Margin
16.3%
4.9%
Net Margin
11.0%
1.5%
Revenue YoY
8.1%
25.1%
Net Profit YoY
-3.9%
1098.3%
EPS (diluted)
$27.63
$0.22

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
AZO
AZO
FSTR
FSTR
Q1 26
$4.3B
Q4 25
$4.6B
$160.4M
Q3 25
$6.2B
$138.3M
Q2 25
$4.5B
$143.6M
Q1 25
$4.0B
$97.8M
Q4 24
$4.3B
$128.2M
Q3 24
$6.2B
$137.5M
Q2 24
$4.2B
$140.8M
Net Profit
AZO
AZO
FSTR
FSTR
Q1 26
$468.9M
Q4 25
$530.8M
$2.4M
Q3 25
$837.0M
$4.4M
Q2 25
$608.4M
$2.9M
Q1 25
$487.9M
$-2.1M
Q4 24
$564.9M
$-242.0K
Q3 24
$902.2M
$35.9M
Q2 24
$651.7M
$2.8M
Gross Margin
AZO
AZO
FSTR
FSTR
Q1 26
52.5%
Q4 25
51.0%
19.7%
Q3 25
51.5%
22.5%
Q2 25
52.7%
21.5%
Q1 25
53.9%
20.6%
Q4 24
53.0%
22.3%
Q3 24
52.5%
23.8%
Q2 24
53.5%
21.7%
Operating Margin
AZO
AZO
FSTR
FSTR
Q1 26
16.3%
Q4 25
16.9%
4.9%
Q3 25
19.2%
6.0%
Q2 25
19.4%
5.3%
Q1 25
17.9%
-2.0%
Q4 24
19.7%
2.4%
Q3 24
20.9%
5.3%
Q2 24
21.3%
3.2%
Net Margin
AZO
AZO
FSTR
FSTR
Q1 26
11.0%
Q4 25
11.5%
1.5%
Q3 25
13.4%
3.1%
Q2 25
13.6%
2.0%
Q1 25
12.3%
-2.2%
Q4 24
13.2%
-0.2%
Q3 24
14.5%
26.1%
Q2 24
15.4%
2.0%
EPS (diluted)
AZO
AZO
FSTR
FSTR
Q1 26
$27.63
Q4 25
$31.04
$0.22
Q3 25
$48.70
$0.40
Q2 25
$35.36
$0.27
Q1 25
$28.29
$-0.20
Q4 24
$32.52
$-0.04
Q3 24
$51.42
$3.27
Q2 24
$36.69
$0.26

Balance Sheet & Financial Strength

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

Metric
AZO
AZO
FSTR
FSTR
Cash + ST InvestmentsLiquidity on hand
$285.5M
$4.3M
Total DebtLower is stronger
$42.6M
Stockholders' EquityBook value
$-2.9B
$175.3M
Total Assets
$20.4B
$330.4M
Debt / EquityLower = less leverage
0.24×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
AZO
AZO
FSTR
FSTR
Q1 26
$285.5M
Q4 25
$287.6M
$4.3M
Q3 25
$271.8M
$3.4M
Q2 25
$268.6M
$4.2M
Q1 25
$300.9M
$2.6M
Q4 24
$304.0M
$2.5M
Q3 24
$298.2M
$3.1M
Q2 24
$275.4M
$4.0M
Total Debt
AZO
AZO
FSTR
FSTR
Q1 26
Q4 25
$42.6M
Q3 25
$58.6M
Q2 25
$81.4M
Q1 25
$82.3M
Q4 24
$46.8M
Q3 24
$68.4M
Q2 24
$87.0M
Stockholders' Equity
AZO
AZO
FSTR
FSTR
Q1 26
$-2.9B
Q4 25
$-3.2B
$175.3M
Q3 25
$-3.4B
$174.8M
Q2 25
$-4.0B
$174.4M
Q1 25
$-4.5B
$170.8M
Q4 24
$-4.7B
$178.3M
Q3 24
$-4.7B
$181.9M
Q2 24
$-4.8B
$147.1M
Total Assets
AZO
AZO
FSTR
FSTR
Q1 26
$20.4B
Q4 25
$19.7B
$330.4M
Q3 25
$19.4B
$333.9M
Q2 25
$18.6B
$349.9M
Q1 25
$18.1B
$342.8M
Q4 24
$17.5B
$334.6M
Q3 24
$17.2B
$344.5M
Q2 24
$17.1B
$333.3M
Debt / Equity
AZO
AZO
FSTR
FSTR
Q1 26
Q4 25
0.24×
Q3 25
0.33×
Q2 25
0.47×
Q1 25
0.48×
Q4 24
0.26×
Q3 24
0.38×
Q2 24
0.59×

Cash Flow & Capital Efficiency

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

Metric
AZO
AZO
FSTR
FSTR
Operating Cash FlowLast quarter
$373.4M
$22.2M
Free Cash FlowOCF − Capex
$35.6M
$19.8M
FCF MarginFCF / Revenue
0.8%
12.3%
Capex IntensityCapex / Revenue
7.9%
1.5%
Cash ConversionOCF / Net Profit
0.80×
9.18×
TTM Free Cash FlowTrailing 4 quarters
$1.6B
$25.2M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
AZO
AZO
FSTR
FSTR
Q1 26
$373.4M
Q4 25
$944.2M
$22.2M
Q3 25
$952.8M
$29.2M
Q2 25
$769.0M
$10.4M
Q1 25
$583.7M
$-26.1M
Q4 24
$811.8M
$24.3M
Q3 24
$1.1B
$24.7M
Q2 24
$669.5M
$-5.0M
Free Cash Flow
AZO
AZO
FSTR
FSTR
Q1 26
$35.6M
Q4 25
$630.0M
$19.8M
Q3 25
$511.1M
$26.4M
Q2 25
$423.1M
$7.7M
Q1 25
$291.0M
$-28.7M
Q4 24
$564.8M
$22.3M
Q3 24
$723.5M
$21.7M
Q2 24
$434.4M
$-7.0M
FCF Margin
AZO
AZO
FSTR
FSTR
Q1 26
0.8%
Q4 25
13.6%
12.3%
Q3 25
8.2%
19.1%
Q2 25
9.5%
5.4%
Q1 25
7.4%
-29.4%
Q4 24
13.2%
17.4%
Q3 24
11.7%
15.8%
Q2 24
10.3%
-5.0%
Capex Intensity
AZO
AZO
FSTR
FSTR
Q1 26
7.9%
Q4 25
6.8%
1.5%
Q3 25
7.1%
2.0%
Q2 25
7.7%
1.9%
Q1 25
7.4%
2.6%
Q4 24
5.8%
1.5%
Q3 24
5.6%
2.2%
Q2 24
5.6%
1.5%
Cash Conversion
AZO
AZO
FSTR
FSTR
Q1 26
0.80×
Q4 25
1.78×
9.18×
Q3 25
1.14×
6.70×
Q2 25
1.26×
3.61×
Q1 25
1.20×
Q4 24
1.44×
Q3 24
1.19×
0.69×
Q2 24
1.03×
-1.74×

Financial Flow Comparison

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

Revenue Breakdown by Segment

AZO
AZO

Segment breakdown not available.

FSTR
FSTR

Rail Technologies And Services Segment$98.0M61%
Over Time Output Method$26.3M16%
Services$19.4M12%
Rail Technologies Products$10.0M6%
Over Time Input Method$8.3M5%

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