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

FOSTER L B CO is the larger business by last-quarter revenue ($160.4M vs $104.4M, roughly 1.5× AMPCO PITTSBURGH CORP). FOSTER L B CO runs the higher net margin — 1.5% vs -55.2%, a 56.8% gap on every dollar of revenue. On growth, FOSTER L B CO posted the faster year-over-year revenue change (25.1% vs 11.5%). FOSTER L B CO produced more free cash flow last quarter ($19.8M vs $-64.0K). Over the past eight quarters, FOSTER L B CO's revenue compounded faster (13.6% CAGR vs -2.6%).

Ampco-Pittsburgh Corporation is a specialty steel manufacturer headquartered in Downtown Pittsburgh, Pennsylvania. It is one of several companies to bear the Ampco name, and it should not be confused with the Milwaukee-based copper base alloy producer, Ampco Metal Inc.; the Miami-based cabinetry company; the Swiss aluminum corporation; or the Dallas-based tool company. Ampco was formed in 1929 and is a conglomerate made up of several previously established small steel makers. Five small compa...

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.

AP vs FSTR — Head-to-Head

Bigger by revenue
FSTR
FSTR
1.5× larger
FSTR
$160.4M
$104.4M
AP
Growing faster (revenue YoY)
FSTR
FSTR
+13.7% gap
FSTR
25.1%
11.5%
AP
Higher net margin
FSTR
FSTR
56.8% more per $
FSTR
1.5%
-55.2%
AP
More free cash flow
FSTR
FSTR
$19.9M more FCF
FSTR
$19.8M
$-64.0K
AP
Faster 2-yr revenue CAGR
FSTR
FSTR
Annualised
FSTR
13.6%
-2.6%
AP

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
AP
AP
FSTR
FSTR
Revenue
$104.4M
$160.4M
Net Profit
$-57.7M
$2.4M
Gross Margin
19.7%
Operating Margin
-54.0%
4.9%
Net Margin
-55.2%
1.5%
Revenue YoY
11.5%
25.1%
Net Profit YoY
-1958.9%
1098.3%
EPS (diluted)
$-2.87
$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
AP
AP
FSTR
FSTR
Q4 25
$104.4M
$160.4M
Q3 25
$103.7M
$138.3M
Q2 25
$108.9M
$143.6M
Q1 25
$99.2M
$97.8M
Q4 24
$93.6M
$128.2M
Q3 24
$92.1M
$137.5M
Q2 24
$107.1M
$140.8M
Q1 24
$110.0M
$124.3M
Net Profit
AP
AP
FSTR
FSTR
Q4 25
$-57.7M
$2.4M
Q3 25
$-2.2M
$4.4M
Q2 25
$-7.3M
$2.9M
Q1 25
$1.1M
$-2.1M
Q4 24
$3.1M
$-242.0K
Q3 24
$-2.0M
$35.9M
Q2 24
$2.0M
$2.8M
Q1 24
$-2.7M
$4.4M
Gross Margin
AP
AP
FSTR
FSTR
Q4 25
19.7%
Q3 25
22.5%
Q2 25
21.5%
Q1 25
20.6%
Q4 24
22.3%
Q3 24
23.8%
Q2 24
21.7%
Q1 24
21.1%
Operating Margin
AP
AP
FSTR
FSTR
Q4 25
-54.0%
4.9%
Q3 25
1.1%
6.0%
Q2 25
-2.8%
5.3%
Q1 25
3.9%
-2.0%
Q4 24
5.5%
2.4%
Q3 24
2.0%
5.3%
Q2 24
4.7%
3.2%
Q1 24
0.1%
4.5%
Net Margin
AP
AP
FSTR
FSTR
Q4 25
-55.2%
1.5%
Q3 25
-2.1%
3.1%
Q2 25
-6.7%
2.0%
Q1 25
1.2%
-2.2%
Q4 24
3.3%
-0.2%
Q3 24
-2.1%
26.1%
Q2 24
1.9%
2.0%
Q1 24
-2.5%
3.6%
EPS (diluted)
AP
AP
FSTR
FSTR
Q4 25
$-2.87
$0.22
Q3 25
$-0.11
$0.40
Q2 25
$-0.36
$0.27
Q1 25
$0.06
$-0.20
Q4 24
$0.16
$-0.04
Q3 24
$-0.10
$3.27
Q2 24
$0.10
$0.26
Q1 24
$-0.14
$0.40

Balance Sheet & Financial Strength

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

Metric
AP
AP
FSTR
FSTR
Cash + ST InvestmentsLiquidity on hand
$10.7M
$4.3M
Total DebtLower is stronger
$117.9M
$42.6M
Stockholders' EquityBook value
$32.6M
$175.3M
Total Assets
$495.4M
$330.4M
Debt / EquityLower = less leverage
3.61×
0.24×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
AP
AP
FSTR
FSTR
Q4 25
$10.7M
$4.3M
Q3 25
$15.0M
$3.4M
Q2 25
$9.9M
$4.2M
Q1 25
$7.1M
$2.6M
Q4 24
$15.4M
$2.5M
Q3 24
$11.8M
$3.1M
Q2 24
$7.9M
$4.0M
Q1 24
$10.8M
$3.1M
Total Debt
AP
AP
FSTR
FSTR
Q4 25
$117.9M
$42.6M
Q3 25
$119.0M
$58.6M
Q2 25
$115.9M
$81.4M
Q1 25
$115.0M
$82.3M
Q4 24
$116.4M
$46.8M
Q3 24
$116.0M
$68.4M
Q2 24
$119.4M
$87.0M
Q1 24
$116.2M
$77.9M
Stockholders' Equity
AP
AP
FSTR
FSTR
Q4 25
$32.6M
$175.3M
Q3 25
$60.1M
$174.8M
Q2 25
$62.7M
$174.4M
Q1 25
$64.6M
$170.8M
Q4 24
$58.9M
$178.3M
Q3 24
$61.3M
$181.9M
Q2 24
$58.0M
$147.1M
Q1 24
$56.3M
$144.6M
Total Assets
AP
AP
FSTR
FSTR
Q4 25
$495.4M
$330.4M
Q3 25
$524.4M
$333.9M
Q2 25
$537.2M
$349.9M
Q1 25
$536.2M
$342.8M
Q4 24
$530.9M
$334.6M
Q3 24
$547.4M
$344.5M
Q2 24
$560.8M
$333.3M
Q1 24
$565.8M
$326.4M
Debt / Equity
AP
AP
FSTR
FSTR
Q4 25
3.61×
0.24×
Q3 25
1.98×
0.33×
Q2 25
1.85×
0.47×
Q1 25
1.78×
0.48×
Q4 24
1.98×
0.26×
Q3 24
1.89×
0.38×
Q2 24
2.06×
0.59×
Q1 24
2.06×
0.54×

Cash Flow & Capital Efficiency

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

Metric
AP
AP
FSTR
FSTR
Operating Cash FlowLast quarter
$2.7M
$22.2M
Free Cash FlowOCF − Capex
$-64.0K
$19.8M
FCF MarginFCF / Revenue
-0.1%
12.3%
Capex IntensityCapex / Revenue
2.7%
1.5%
Cash ConversionOCF / Net Profit
9.18×
TTM Free Cash FlowTrailing 4 quarters
$-8.1M
$25.2M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
AP
AP
FSTR
FSTR
Q4 25
$2.7M
$22.2M
Q3 25
$6.3M
$29.2M
Q2 25
$-2.3M
$10.4M
Q1 25
$-5.3M
$-26.1M
Q4 24
$7.5M
$24.3M
Q3 24
$11.4M
$24.7M
Q2 24
$-5.3M
$-5.0M
Q1 24
$4.5M
$-21.4M
Free Cash Flow
AP
AP
FSTR
FSTR
Q4 25
$-64.0K
$19.8M
Q3 25
$3.3M
$26.4M
Q2 25
$-3.8M
$7.7M
Q1 25
$-7.5M
$-28.7M
Q4 24
$3.7M
$22.3M
Q3 24
$8.4M
$21.7M
Q2 24
$-8.0M
$-7.0M
Q1 24
$1.7M
$-24.2M
FCF Margin
AP
AP
FSTR
FSTR
Q4 25
-0.1%
12.3%
Q3 25
3.2%
19.1%
Q2 25
-3.5%
5.4%
Q1 25
-7.5%
-29.4%
Q4 24
4.0%
17.4%
Q3 24
9.1%
15.8%
Q2 24
-7.5%
-5.0%
Q1 24
1.5%
-19.4%
Capex Intensity
AP
AP
FSTR
FSTR
Q4 25
2.7%
1.5%
Q3 25
2.9%
2.0%
Q2 25
1.3%
1.9%
Q1 25
2.2%
2.6%
Q4 24
4.0%
1.5%
Q3 24
3.2%
2.2%
Q2 24
2.5%
1.5%
Q1 24
2.6%
2.2%
Cash Conversion
AP
AP
FSTR
FSTR
Q4 25
9.18×
Q3 25
6.70×
Q2 25
3.61×
Q1 25
-4.62×
Q4 24
2.40×
Q3 24
0.69×
Q2 24
-2.64×
-1.74×
Q1 24
-4.83×

Financial Flow Comparison

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

Revenue Breakdown by Segment

AP
AP

Forged And Cast Mill Rolls$67.0M64%
Air Handling Systems$14.3M14%
Heat Exchange Coils$13.1M13%
Centrifugal Pumps$10.3M10%
Forged Engineered Products$4.0M4%

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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