vs
Side-by-side financial comparison of FEDERAL SIGNAL CORP (FSS) and Koppers Holdings Inc. (KOP). Click either name above to swap in a different company.
FEDERAL SIGNAL CORP is the larger business by last-quarter revenue ($597.1M vs $432.7M, roughly 1.4× Koppers Holdings Inc.). FEDERAL SIGNAL CORP runs the higher net margin — 10.2% vs 6.9%, a 3.3% gap on every dollar of revenue. On growth, FEDERAL SIGNAL CORP posted the faster year-over-year revenue change (26.5% vs -9.3%). FEDERAL SIGNAL CORP produced more free cash flow last quarter ($89.5M vs $28.5M). Over the past eight quarters, FEDERAL SIGNAL CORP's revenue compounded faster (18.5% CAGR vs -6.7%).
The Federal Signal Company was an American manufacturer of railway signaling equipment in the early 20th century. It was located in Albany, New York.
Koppers is a global chemical and materials company based in Pittsburgh, Pennsylvania, United States. Its headquarters is an art-deco 1920s skyscraper, the Koppers Tower.
FSS vs KOP — Head-to-Head
Income Statement — Q4 FY2025 vs Q4 FY2025
| Metric | | |
|---|---|---|
| Revenue | $597.1M | $432.7M |
| Net Profit | $60.8M | $29.7M |
| Gross Margin | 28.4% | 25.6% |
| Operating Margin | 14.0% | 11.5% |
| Net Margin | 10.2% | 6.9% |
| Revenue YoY | 26.5% | -9.3% |
| Net Profit YoY | 21.6% | 391.2% |
| EPS (diluted) | $0.99 | $1.44 |
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.
| Q4 25 | $597.1M | $432.7M | ||
| Q3 25 | $555.0M | $485.3M | ||
| Q2 25 | $564.6M | $504.8M | ||
| Q1 25 | $463.8M | $456.5M | ||
| Q4 24 | $472.0M | $477.0M | ||
| Q3 24 | $474.2M | $554.3M | ||
| Q2 24 | $490.4M | $563.2M | ||
| Q1 24 | $424.9M | $497.6M |
| Q4 25 | $60.8M | $29.7M | ||
| Q3 25 | $68.1M | $23.8M | ||
| Q2 25 | $71.4M | $16.4M | ||
| Q1 25 | $46.3M | $-13.9M | ||
| Q4 24 | $50.0M | $-10.2M | ||
| Q3 24 | $53.9M | $22.8M | ||
| Q2 24 | $60.8M | $26.8M | ||
| Q1 24 | $51.6M | $13.0M |
| Q4 25 | 28.4% | 25.6% | ||
| Q3 25 | 29.1% | 24.1% | ||
| Q2 25 | 30.0% | 22.6% | ||
| Q1 25 | 28.2% | 23.2% | ||
| Q4 24 | 28.1% | 17.5% | ||
| Q3 24 | 29.6% | 21.9% | ||
| Q2 24 | 29.4% | 21.6% | ||
| Q1 24 | 27.3% | 19.3% |
| Q4 25 | 14.0% | 11.5% | ||
| Q3 25 | 16.9% | 10.7% | ||
| Q2 25 | 17.3% | 7.7% | ||
| Q1 25 | 14.2% | 5.9% | ||
| Q4 24 | 14.9% | 1.3% | ||
| Q3 24 | 16.0% | 9.0% | ||
| Q2 24 | 16.5% | 10.2% | ||
| Q1 24 | 12.8% | 7.0% |
| Q4 25 | 10.2% | 6.9% | ||
| Q3 25 | 12.3% | 4.9% | ||
| Q2 25 | 12.6% | 3.2% | ||
| Q1 25 | 10.0% | -3.0% | ||
| Q4 24 | 10.6% | -2.1% | ||
| Q3 24 | 11.4% | 4.1% | ||
| Q2 24 | 12.4% | 4.8% | ||
| Q1 24 | 12.1% | 2.6% |
| Q4 25 | $0.99 | $1.44 | ||
| Q3 25 | $1.11 | $1.17 | ||
| Q2 25 | $1.16 | $0.81 | ||
| Q1 25 | $0.75 | $-0.68 | ||
| Q4 24 | $0.80 | $-0.47 | ||
| Q3 24 | $0.87 | $1.09 | ||
| Q2 24 | $0.99 | $1.25 | ||
| Q1 24 | $0.84 | $0.59 |
Balance Sheet & Financial Strength
Snapshot of each company's liquidity, leverage and book value from the latest quarter.
| Metric | | |
|---|---|---|
| Cash + ST InvestmentsLiquidity on hand | $63.7M | — |
| Total DebtLower is stronger | $564.6M | $928.3M |
| Stockholders' EquityBook value | $1.4B | $574.0M |
| Total Assets | $2.4B | $1.9B |
| Debt / EquityLower = less leverage | 0.41× | 1.62× |
8-quarter trend — quarters aligned by calendar period.
| Q4 25 | $63.7M | — | ||
| Q3 25 | $54.4M | — | ||
| Q2 25 | $64.7M | — | ||
| Q1 25 | $57.5M | — | ||
| Q4 24 | $91.1M | — | ||
| Q3 24 | $73.7M | — | ||
| Q2 24 | $48.6M | — | ||
| Q1 24 | $48.9M | — |
| Q4 25 | $564.6M | $928.3M | ||
| Q3 25 | $201.2M | $932.9M | ||
| Q2 25 | $258.3M | $977.5M | ||
| Q1 25 | $266.9M | $989.0M | ||
| Q4 24 | $204.4M | $939.5M | ||
| Q3 24 | $223.3M | $989.4M | ||
| Q2 24 | $248.8M | $1.0B | ||
| Q1 24 | $266.8M | $877.6M |
| Q4 25 | $1.4B | $574.0M | ||
| Q3 25 | $1.3B | $545.6M | ||
| Q2 25 | $1.3B | $526.8M | ||
| Q1 25 | $1.2B | $498.0M | ||
| Q4 24 | $1.2B | $488.7M | ||
| Q3 24 | $1.1B | $532.3M | ||
| Q2 24 | $1.1B | $509.2M | ||
| Q1 24 | $1.0B | $505.8M |
| Q4 25 | $2.4B | $1.9B | ||
| Q3 25 | $1.9B | $1.9B | ||
| Q2 25 | $1.9B | $1.9B | ||
| Q1 25 | $1.9B | $1.9B | ||
| Q4 24 | $1.8B | $1.9B | ||
| Q3 24 | $1.7B | $2.0B | ||
| Q2 24 | $1.7B | $1.9B | ||
| Q1 24 | $1.7B | $1.8B |
| Q4 25 | 0.41× | 1.62× | ||
| Q3 25 | 0.15× | 1.71× | ||
| Q2 25 | 0.20× | 1.86× | ||
| Q1 25 | 0.22× | 1.99× | ||
| Q4 24 | 0.17× | 1.92× | ||
| Q3 24 | 0.19× | 1.86× | ||
| Q2 24 | 0.23× | 1.97× | ||
| Q1 24 | 0.26× | 1.74× |
Cash Flow & Capital Efficiency
How much cash each business actually produces after reinvestment. Cash flow is harder to manipulate than net income.
| Metric | | |
|---|---|---|
| Operating Cash FlowLast quarter | $97.2M | $45.1M |
| Free Cash FlowOCF − Capex | $89.5M | $28.5M |
| FCF MarginFCF / Revenue | 15.0% | 6.6% |
| Capex IntensityCapex / Revenue | 1.3% | 3.8% |
| Cash ConversionOCF / Net Profit | 1.60× | 1.52× |
| TTM Free Cash FlowTrailing 4 quarters | $227.1M | $67.5M |
8-quarter trend — quarters aligned by calendar period.
| Q4 25 | $97.2M | $45.1M | ||
| Q3 25 | $61.1M | $49.6M | ||
| Q2 25 | $59.7M | $50.5M | ||
| Q1 25 | $36.7M | $-22.7M | ||
| Q4 24 | $90.6M | $74.7M | ||
| Q3 24 | $68.8M | $29.8M | ||
| Q2 24 | $40.6M | $27.2M | ||
| Q1 24 | $31.3M | $-12.3M |
| Q4 25 | $89.5M | $28.5M | ||
| Q3 25 | $54.1M | $37.6M | ||
| Q2 25 | $52.4M | $38.4M | ||
| Q1 25 | $31.1M | $-37.0M | ||
| Q4 24 | $82.1M | $56.1M | ||
| Q3 24 | $60.9M | $14.4M | ||
| Q2 24 | $24.8M | $10.1M | ||
| Q1 24 | $22.9M | $-38.6M |
| Q4 25 | 15.0% | 6.6% | ||
| Q3 25 | 9.7% | 7.7% | ||
| Q2 25 | 9.3% | 7.6% | ||
| Q1 25 | 6.7% | -8.1% | ||
| Q4 24 | 17.4% | 11.8% | ||
| Q3 24 | 12.8% | 2.6% | ||
| Q2 24 | 5.1% | 1.8% | ||
| Q1 24 | 5.4% | -7.8% |
| Q4 25 | 1.3% | 3.8% | ||
| Q3 25 | 1.3% | 2.5% | ||
| Q2 25 | 1.3% | 2.4% | ||
| Q1 25 | 1.2% | 3.1% | ||
| Q4 24 | 1.8% | 3.9% | ||
| Q3 24 | 1.7% | 2.8% | ||
| Q2 24 | 3.2% | 3.0% | ||
| Q1 24 | 2.0% | 5.3% |
| Q4 25 | 1.60× | 1.52× | ||
| Q3 25 | 0.90× | 2.08× | ||
| Q2 25 | 0.84× | 3.08× | ||
| Q1 25 | 0.79× | — | ||
| Q4 24 | 1.81× | — | ||
| Q3 24 | 1.28× | 1.31× | ||
| Q2 24 | 0.67× | 1.01× | ||
| Q1 24 | 0.61× | -0.95× |
Financial Flow Comparison
Revenue → gross profit → operating profit → net profit for each company.
Revenue Breakdown by Segment
FSS
| Vehiclesandequipment | $403.4M | 68% |
| Parts | $66.8M | 11% |
| Publicsafetyandsecurityequipment | $62.2M | 10% |
| Rentalincome | $19.0M | 3% |
| Industrialsignalingequipment | $18.2M | 3% |
| Other | $14.9M | 2% |
| Warningsystems | $12.6M | 2% |
KOP
| Other | $127.8M | 30% |
| Railroad Treated Products | $119.0M | 28% |
| Utility Poles | $79.8M | 18% |
| Pitch And Related Products | $74.1M | 17% |
| Carbon Black Feedstock And Distillates | $14.4M | 3% |
| Railroad Infrastructure Products And Services | $9.9M | 2% |
| Phthalic Anhydride Naphthalene And Other Chemicals | $7.7M | 2% |
