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

KADANT INC is the larger business by last-quarter revenue ($271.6M vs $160.4M, roughly 1.7× FOSTER L B CO). KADANT INC runs the higher net margin — 10.2% vs 1.5%, a 8.7% gap on every dollar of revenue. On growth, FOSTER L B CO posted the faster year-over-year revenue change (25.1% vs -0.0%). KADANT INC produced more free cash flow last quarter ($44.1M vs $19.8M). Over the past eight quarters, FOSTER L B CO's revenue compounded faster (13.6% CAGR vs 6.7%).

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.

Kadant Inc. is a company that was established in 1991, as a partly privately owned subsidiary of Thermo Electron, and partly publicly traded company, and was fully spun out and renamed Kadant in 2001. The company supports papermaking, paper recycling, wood processing, material handling, and other processing industries. Kadant is a multi-national corporation with operations in Asia, Europe, North America, and South America.

FSTR vs KAI — Head-to-Head

Bigger by revenue
KAI
KAI
1.7× larger
KAI
$271.6M
$160.4M
FSTR
Growing faster (revenue YoY)
FSTR
FSTR
+25.1% gap
FSTR
25.1%
-0.0%
KAI
Higher net margin
KAI
KAI
8.7% more per $
KAI
10.2%
1.5%
FSTR
More free cash flow
KAI
KAI
$24.3M more FCF
KAI
$44.1M
$19.8M
FSTR
Faster 2-yr revenue CAGR
FSTR
FSTR
Annualised
FSTR
13.6%
6.7%
KAI

Income Statement — Q4 FY2025 vs Q3 FY2025

Metric
FSTR
FSTR
KAI
KAI
Revenue
$160.4M
$271.6M
Net Profit
$2.4M
$27.7M
Gross Margin
19.7%
45.2%
Operating Margin
4.9%
15.7%
Net Margin
1.5%
10.2%
Revenue YoY
25.1%
-0.0%
Net Profit YoY
1098.3%
-12.2%
EPS (diluted)
$0.22
$2.35

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
FSTR
FSTR
KAI
KAI
Q4 25
$160.4M
Q3 25
$138.3M
$271.6M
Q2 25
$143.6M
$255.3M
Q1 25
$97.8M
$239.2M
Q4 24
$128.2M
$258.0M
Q3 24
$137.5M
$271.6M
Q2 24
$140.8M
$274.8M
Q1 24
$124.3M
$249.0M
Net Profit
FSTR
FSTR
KAI
KAI
Q4 25
$2.4M
Q3 25
$4.4M
$27.7M
Q2 25
$2.9M
$26.2M
Q1 25
$-2.1M
$24.1M
Q4 24
$-242.0K
$24.0M
Q3 24
$35.9M
$31.6M
Q2 24
$2.8M
$31.3M
Q1 24
$4.4M
$24.7M
Gross Margin
FSTR
FSTR
KAI
KAI
Q4 25
19.7%
Q3 25
22.5%
45.2%
Q2 25
21.5%
45.9%
Q1 25
20.6%
46.1%
Q4 24
22.3%
43.4%
Q3 24
23.8%
44.7%
Q2 24
21.7%
44.4%
Q1 24
21.1%
44.6%
Operating Margin
FSTR
FSTR
KAI
KAI
Q4 25
4.9%
Q3 25
6.0%
15.7%
Q2 25
5.3%
15.4%
Q1 25
-2.0%
14.9%
Q4 24
2.4%
14.3%
Q3 24
5.3%
18.0%
Q2 24
3.2%
17.6%
Q1 24
4.5%
14.8%
Net Margin
FSTR
FSTR
KAI
KAI
Q4 25
1.5%
Q3 25
3.1%
10.2%
Q2 25
2.0%
10.2%
Q1 25
-2.2%
10.1%
Q4 24
-0.2%
9.3%
Q3 24
26.1%
11.6%
Q2 24
2.0%
11.4%
Q1 24
3.6%
9.9%
EPS (diluted)
FSTR
FSTR
KAI
KAI
Q4 25
$0.22
Q3 25
$0.40
$2.35
Q2 25
$0.27
$2.22
Q1 25
$-0.20
$2.04
Q4 24
$-0.04
$2.04
Q3 24
$3.27
$2.68
Q2 24
$0.26
$2.66
Q1 24
$0.40
$2.10

Balance Sheet & Financial Strength

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

Metric
FSTR
FSTR
KAI
KAI
Cash + ST InvestmentsLiquidity on hand
$4.3M
$124.5M
Total DebtLower is stronger
$42.6M
$254.6M
Stockholders' EquityBook value
$175.3M
$949.8M
Total Assets
$330.4M
$1.5B
Debt / EquityLower = less leverage
0.24×
0.27×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
FSTR
FSTR
KAI
KAI
Q4 25
$4.3M
Q3 25
$3.4M
$124.5M
Q2 25
$4.2M
$95.3M
Q1 25
$2.6M
$91.7M
Q4 24
$2.5M
$94.7M
Q3 24
$3.1M
$88.4M
Q2 24
$4.0M
$73.8M
Q1 24
$3.1M
$81.4M
Total Debt
FSTR
FSTR
KAI
KAI
Q4 25
$42.6M
Q3 25
$58.6M
$254.6M
Q2 25
$81.4M
$245.7M
Q1 25
$82.3M
$273.5M
Q4 24
$46.8M
$285.2M
Q3 24
$68.4M
$323.2M
Q2 24
$87.0M
$342.0M
Q1 24
$77.9M
$306.8M
Stockholders' Equity
FSTR
FSTR
KAI
KAI
Q4 25
$175.3M
Q3 25
$174.8M
$949.8M
Q2 25
$174.4M
$926.0M
Q1 25
$170.8M
$876.0M
Q4 24
$178.3M
$847.1M
Q3 24
$181.9M
$851.7M
Q2 24
$147.1M
$807.7M
Q1 24
$144.6M
$782.7M
Total Assets
FSTR
FSTR
KAI
KAI
Q4 25
$330.4M
Q3 25
$333.9M
$1.5B
Q2 25
$349.9M
$1.5B
Q1 25
$342.8M
$1.4B
Q4 24
$334.6M
$1.4B
Q3 24
$344.5M
$1.5B
Q2 24
$333.3M
$1.5B
Q1 24
$326.4M
$1.4B
Debt / Equity
FSTR
FSTR
KAI
KAI
Q4 25
0.24×
Q3 25
0.33×
0.27×
Q2 25
0.47×
0.27×
Q1 25
0.48×
0.31×
Q4 24
0.26×
0.34×
Q3 24
0.38×
0.38×
Q2 24
0.59×
0.42×
Q1 24
0.54×
0.39×

Cash Flow & Capital Efficiency

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

Metric
FSTR
FSTR
KAI
KAI
Operating Cash FlowLast quarter
$22.2M
$47.3M
Free Cash FlowOCF − Capex
$19.8M
$44.1M
FCF MarginFCF / Revenue
12.3%
16.2%
Capex IntensityCapex / Revenue
1.5%
1.2%
Cash ConversionOCF / Net Profit
9.18×
1.70×
TTM Free Cash FlowTrailing 4 quarters
$25.2M
$145.9M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
FSTR
FSTR
KAI
KAI
Q4 25
$22.2M
Q3 25
$29.2M
$47.3M
Q2 25
$10.4M
$40.5M
Q1 25
$-26.1M
$22.8M
Q4 24
$24.3M
$51.9M
Q3 24
$24.7M
$52.5M
Q2 24
$-5.0M
$28.1M
Q1 24
$-21.4M
$22.8M
Free Cash Flow
FSTR
FSTR
KAI
KAI
Q4 25
$19.8M
Q3 25
$26.4M
$44.1M
Q2 25
$7.7M
$36.5M
Q1 25
$-28.7M
$19.0M
Q4 24
$22.3M
$46.3M
Q3 24
$21.7M
$48.3M
Q2 24
$-7.0M
$23.1M
Q1 24
$-24.2M
$16.6M
FCF Margin
FSTR
FSTR
KAI
KAI
Q4 25
12.3%
Q3 25
19.1%
16.2%
Q2 25
5.4%
14.3%
Q1 25
-29.4%
7.9%
Q4 24
17.4%
17.9%
Q3 24
15.8%
17.8%
Q2 24
-5.0%
8.4%
Q1 24
-19.4%
6.7%
Capex Intensity
FSTR
FSTR
KAI
KAI
Q4 25
1.5%
Q3 25
2.0%
1.2%
Q2 25
1.9%
1.6%
Q1 25
2.6%
1.6%
Q4 24
1.5%
2.2%
Q3 24
2.2%
1.5%
Q2 24
1.5%
1.8%
Q1 24
2.2%
2.5%
Cash Conversion
FSTR
FSTR
KAI
KAI
Q4 25
9.18×
Q3 25
6.70×
1.70×
Q2 25
3.61×
1.55×
Q1 25
0.95×
Q4 24
2.16×
Q3 24
0.69×
1.66×
Q2 24
-1.74×
0.90×
Q1 24
-4.83×
0.92×

Financial Flow Comparison

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

Revenue Breakdown by Segment

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%

KAI
KAI

Flow Control$94.8M35%
Capital$83.2M31%
Material Handling Systems$70.3M26%
Transferred Over Time$17.1M6%
Other$6.1M2%

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