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Side-by-side financial comparison of FEDERAL SIGNAL CORP (FSS) and OSHKOSH CORP (OSK). Click either name above to swap in a different company.

OSHKOSH CORP is the larger business by last-quarter revenue ($2.7B vs $597.1M, roughly 4.5× FEDERAL SIGNAL CORP). FEDERAL SIGNAL CORP runs the higher net margin — 10.2% vs 5.0%, a 5.2% gap on every dollar of revenue. On growth, FEDERAL SIGNAL CORP posted the faster year-over-year revenue change (26.5% vs 3.5%). OSHKOSH CORP produced more free cash flow last quarter ($540.3M vs $89.5M). Over the past eight quarters, FEDERAL SIGNAL CORP's revenue compounded faster (18.5% CAGR vs 2.8%).

The Federal Signal Company was an American manufacturer of railway signaling equipment in the early 20th century. It was located in Albany, New York.

Oshkosh Corporation, formerly Oshkosh Truck, is an American industrial company that designs and builds specialty trucks, military vehicles, truck bodies, airport fire apparatus, and access equipment. The corporation also owns Pierce Manufacturing, a fire apparatus manufacturer in Appleton, Wisconsin, and JLG Industries, a manufacturer of lift equipment, including aerial lifts, boom lifts, scissor lifts, telehandlers and low-level access lifts.

FSS vs OSK — Head-to-Head

Bigger by revenue
OSK
OSK
4.5× larger
OSK
$2.7B
$597.1M
FSS
Growing faster (revenue YoY)
FSS
FSS
+23.0% gap
FSS
26.5%
3.5%
OSK
Higher net margin
FSS
FSS
5.2% more per $
FSS
10.2%
5.0%
OSK
More free cash flow
OSK
OSK
$450.8M more FCF
OSK
$540.3M
$89.5M
FSS
Faster 2-yr revenue CAGR
FSS
FSS
Annualised
FSS
18.5%
2.8%
OSK

Income Statement — Q4 2025 vs Q4 2025

Metric
FSS
FSS
OSK
OSK
Revenue
$597.1M
$2.7B
Net Profit
$60.8M
$133.8M
Gross Margin
28.4%
15.8%
Operating Margin
14.0%
7.9%
Net Margin
10.2%
5.0%
Revenue YoY
26.5%
3.5%
Net Profit YoY
21.6%
-12.6%
EPS (diluted)
$0.99

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
FSS
FSS
OSK
OSK
Q4 25
$597.1M
$2.7B
Q3 25
$555.0M
$2.7B
Q2 25
$564.6M
$2.7B
Q1 25
$463.8M
$2.3B
Q4 24
$472.0M
$2.6B
Q3 24
$474.2M
$2.7B
Q2 24
$490.4M
$2.8B
Q1 24
$424.9M
$2.5B
Net Profit
FSS
FSS
OSK
OSK
Q4 25
$60.8M
$133.8M
Q3 25
$68.1M
$196.2M
Q2 25
$71.4M
$204.8M
Q1 25
$46.3M
$112.2M
Q4 24
$50.0M
$153.1M
Q3 24
$53.9M
$180.3M
Q2 24
$60.8M
$168.6M
Q1 24
$51.6M
$179.4M
Gross Margin
FSS
FSS
OSK
OSK
Q4 25
28.4%
15.8%
Q3 25
29.1%
17.5%
Q2 25
30.0%
19.2%
Q1 25
28.2%
17.3%
Q4 24
28.1%
17.2%
Q3 24
29.6%
18.5%
Q2 24
29.4%
19.2%
Q1 24
27.3%
18.5%
Operating Margin
FSS
FSS
OSK
OSK
Q4 25
14.0%
7.9%
Q3 25
16.9%
9.7%
Q2 25
17.3%
10.7%
Q1 25
14.2%
7.6%
Q4 24
14.9%
8.6%
Q3 24
16.0%
9.7%
Q2 24
16.5%
9.2%
Q1 24
12.8%
10.2%
Net Margin
FSS
FSS
OSK
OSK
Q4 25
10.2%
5.0%
Q3 25
12.3%
7.3%
Q2 25
12.6%
7.5%
Q1 25
10.0%
4.9%
Q4 24
10.6%
5.9%
Q3 24
11.4%
6.6%
Q2 24
12.4%
5.9%
Q1 24
12.1%
7.1%
EPS (diluted)
FSS
FSS
OSK
OSK
Q4 25
$0.99
Q3 25
$1.11
Q2 25
$1.16
Q1 25
$0.75
Q4 24
$0.80
Q3 24
$0.87
Q2 24
$0.99
Q1 24
$0.84

Balance Sheet & Financial Strength

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

Metric
FSS
FSS
OSK
OSK
Cash + ST InvestmentsLiquidity on hand
$63.7M
$479.8M
Total DebtLower is stronger
$564.6M
Stockholders' EquityBook value
$1.4B
$4.5B
Total Assets
$2.4B
$10.1B
Debt / EquityLower = less leverage
0.41×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
FSS
FSS
OSK
OSK
Q4 25
$63.7M
$479.8M
Q3 25
$54.4M
$211.8M
Q2 25
$64.7M
$191.7M
Q1 25
$57.5M
$210.3M
Q4 24
$91.1M
$204.9M
Q3 24
$73.7M
$160.9M
Q2 24
$48.6M
$141.4M
Q1 24
$48.9M
$69.9M
Total Debt
FSS
FSS
OSK
OSK
Q4 25
$564.6M
Q3 25
$201.2M
Q2 25
$258.3M
Q1 25
$266.9M
Q4 24
$204.4M
Q3 24
$223.3M
$602.3M
Q2 24
$248.8M
$599.1M
Q1 24
$266.8M
$598.9M
Stockholders' Equity
FSS
FSS
OSK
OSK
Q4 25
$1.4B
$4.5B
Q3 25
$1.3B
$4.5B
Q2 25
$1.3B
$4.5B
Q1 25
$1.2B
$4.2B
Q4 24
$1.2B
$4.2B
Q3 24
$1.1B
$4.1B
Q2 24
$1.1B
$3.9B
Q1 24
$1.0B
$3.8B
Total Assets
FSS
FSS
OSK
OSK
Q4 25
$2.4B
$10.1B
Q3 25
$1.9B
$9.8B
Q2 25
$1.9B
$10.0B
Q1 25
$1.9B
$9.8B
Q4 24
$1.8B
$9.4B
Q3 24
$1.7B
$9.9B
Q2 24
$1.7B
$9.7B
Q1 24
$1.7B
$9.5B
Debt / Equity
FSS
FSS
OSK
OSK
Q4 25
0.41×
Q3 25
0.15×
Q2 25
0.20×
Q1 25
0.22×
Q4 24
0.17×
Q3 24
0.19×
0.15×
Q2 24
0.23×
0.15×
Q1 24
0.26×
0.16×

Cash Flow & Capital Efficiency

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

Metric
FSS
FSS
OSK
OSK
Operating Cash FlowLast quarter
$97.2M
$600.1M
Free Cash FlowOCF − Capex
$89.5M
$540.3M
FCF MarginFCF / Revenue
15.0%
20.1%
Capex IntensityCapex / Revenue
1.3%
2.2%
Cash ConversionOCF / Net Profit
1.60×
4.49×
TTM Free Cash FlowTrailing 4 quarters
$227.1M
$618.0M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
FSS
FSS
OSK
OSK
Q4 25
$97.2M
$600.1M
Q3 25
$61.1M
$489.0M
Q2 25
$59.7M
$89.2M
Q1 25
$36.7M
$-394.9M
Q4 24
$90.6M
$790.8M
Q3 24
$68.8M
$326.1M
Q2 24
$40.6M
$-211.0M
Q1 24
$31.3M
$-355.8M
Free Cash Flow
FSS
FSS
OSK
OSK
Q4 25
$89.5M
$540.3M
Q3 25
$54.1M
$464.3M
Q2 25
$52.4M
$48.6M
Q1 25
$31.1M
$-435.2M
Q4 24
$82.1M
$703.3M
Q3 24
$60.9M
$272.2M
Q2 24
$24.8M
$-250.5M
Q1 24
$22.9M
$-455.9M
FCF Margin
FSS
FSS
OSK
OSK
Q4 25
15.0%
20.1%
Q3 25
9.7%
17.3%
Q2 25
9.3%
1.8%
Q1 25
6.7%
-18.8%
Q4 24
17.4%
27.1%
Q3 24
12.8%
9.9%
Q2 24
5.1%
-8.8%
Q1 24
5.4%
-17.9%
Capex Intensity
FSS
FSS
OSK
OSK
Q4 25
1.3%
2.2%
Q3 25
1.3%
0.9%
Q2 25
1.3%
1.5%
Q1 25
1.2%
1.7%
Q4 24
1.8%
3.4%
Q3 24
1.7%
2.0%
Q2 24
3.2%
1.4%
Q1 24
2.0%
3.9%
Cash Conversion
FSS
FSS
OSK
OSK
Q4 25
1.60×
4.49×
Q3 25
0.90×
2.49×
Q2 25
0.84×
0.44×
Q1 25
0.79×
-3.52×
Q4 24
1.81×
5.17×
Q3 24
1.28×
1.81×
Q2 24
0.67×
-1.25×
Q1 24
0.61×
-1.98×

Financial Flow Comparison

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

Revenue Breakdown by Segment

FSS
FSS

Vehiclesandequipment$403.4M68%
Parts$66.8M11%
Publicsafetyandsecurityequipment$62.2M10%
Rentalincome$19.0M3%
Industrialsignalingequipment$18.2M3%
Other$14.9M2%
Warningsystems$12.6M2%

OSK
OSK

Vocational Segment$922.4M34%
Aerial Works Platforms$548.6M20%
Other Access Equipment$311.8M12%
Telehandlers$311.2M12%
Airport Products$252.7M9%
Delivery Vehicles$165.0M6%
Other Vocational$130.7M5%
Transferred Over Time$23.5M1%

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