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

FEDERAL SIGNAL CORP is the larger business by last-quarter revenue ($597.1M vs $377.1M, roughly 1.6× Archrock, Inc.). Archrock, Inc. runs the higher net margin — 31.0% vs 10.2%, a 20.8% gap on every dollar of revenue. On growth, FEDERAL SIGNAL CORP posted the faster year-over-year revenue change (26.5% vs 15.5%). Archrock, Inc. produced more free cash flow last quarter ($126.7M vs $89.5M). Over the past eight quarters, FEDERAL SIGNAL CORP's revenue compounded faster (18.5% CAGR vs 18.5%).

Archrock, Inc. is a leading provider of natural gas compression services and equipment solutions for the North American oil and gas sector. Its core offerings include compression system rental, maintenance, aftermarket support, and sales, serving upstream production, midstream transportation and natural gas processing segments.

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

AROC vs FSS — Head-to-Head

Bigger by revenue
FSS
FSS
1.6× larger
FSS
$597.1M
$377.1M
AROC
Growing faster (revenue YoY)
FSS
FSS
+11.0% gap
FSS
26.5%
15.5%
AROC
Higher net margin
AROC
AROC
20.8% more per $
AROC
31.0%
10.2%
FSS
More free cash flow
AROC
AROC
$37.2M more FCF
AROC
$126.7M
$89.5M
FSS
Faster 2-yr revenue CAGR
FSS
FSS
Annualised
FSS
18.5%
18.5%
AROC

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
AROC
AROC
FSS
FSS
Revenue
$377.1M
$597.1M
Net Profit
$116.8M
$60.8M
Gross Margin
53.0%
28.4%
Operating Margin
39.4%
14.0%
Net Margin
31.0%
10.2%
Revenue YoY
15.5%
26.5%
Net Profit YoY
95.4%
21.6%
EPS (diluted)
$0.67
$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
AROC
AROC
FSS
FSS
Q4 25
$377.1M
$597.1M
Q3 25
$382.4M
$555.0M
Q2 25
$383.2M
$564.6M
Q1 25
$347.2M
$463.8M
Q4 24
$326.4M
$472.0M
Q3 24
$292.2M
$474.2M
Q2 24
$270.5M
$490.4M
Q1 24
$268.5M
$424.9M
Net Profit
AROC
AROC
FSS
FSS
Q4 25
$116.8M
$60.8M
Q3 25
$71.2M
$68.1M
Q2 25
$63.4M
$71.4M
Q1 25
$70.8M
$46.3M
Q4 24
$59.8M
$50.0M
Q3 24
$37.5M
$53.9M
Q2 24
$34.4M
$60.8M
Q1 24
$40.5M
$51.6M
Gross Margin
AROC
AROC
FSS
FSS
Q4 25
53.0%
28.4%
Q3 25
48.5%
29.1%
Q2 25
45.4%
30.0%
Q1 25
47.4%
28.2%
Q4 24
46.3%
28.1%
Q3 24
44.4%
29.6%
Q2 24
41.5%
29.4%
Q1 24
42.1%
27.3%
Operating Margin
AROC
AROC
FSS
FSS
Q4 25
39.4%
14.0%
Q3 25
25.3%
16.9%
Q2 25
22.5%
17.3%
Q1 25
26.5%
14.2%
Q4 24
24.0%
14.9%
Q3 24
18.1%
16.0%
Q2 24
17.6%
16.5%
Q1 24
20.0%
12.8%
Net Margin
AROC
AROC
FSS
FSS
Q4 25
31.0%
10.2%
Q3 25
18.6%
12.3%
Q2 25
16.6%
12.6%
Q1 25
20.4%
10.0%
Q4 24
18.3%
10.6%
Q3 24
12.8%
11.4%
Q2 24
12.7%
12.4%
Q1 24
15.1%
12.1%
EPS (diluted)
AROC
AROC
FSS
FSS
Q4 25
$0.67
$0.99
Q3 25
$0.40
$1.11
Q2 25
$0.36
$1.16
Q1 25
$0.40
$0.75
Q4 24
$0.35
$0.80
Q3 24
$0.22
$0.87
Q2 24
$0.22
$0.99
Q1 24
$0.26
$0.84

Balance Sheet & Financial Strength

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

Metric
AROC
AROC
FSS
FSS
Cash + ST InvestmentsLiquidity on hand
$1.6M
$63.7M
Total DebtLower is stronger
$564.6M
Stockholders' EquityBook value
$1.5B
$1.4B
Total Assets
$4.3B
$2.4B
Debt / EquityLower = less leverage
0.41×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
AROC
AROC
FSS
FSS
Q4 25
$1.6M
$63.7M
Q3 25
$4.1M
$54.4M
Q2 25
$5.9M
$64.7M
Q1 25
$4.8M
$57.5M
Q4 24
$4.4M
$91.1M
Q3 24
$3.7M
$73.7M
Q2 24
$919.0K
$48.6M
Q1 24
$1.2M
$48.9M
Total Debt
AROC
AROC
FSS
FSS
Q4 25
$564.6M
Q3 25
$201.2M
Q2 25
$258.3M
Q1 25
$266.9M
Q4 24
$204.4M
Q3 24
$223.3M
Q2 24
$248.8M
Q1 24
$266.8M
Stockholders' Equity
AROC
AROC
FSS
FSS
Q4 25
$1.5B
$1.4B
Q3 25
$1.4B
$1.3B
Q2 25
$1.4B
$1.3B
Q1 25
$1.3B
$1.2B
Q4 24
$1.3B
$1.2B
Q3 24
$1.3B
$1.1B
Q2 24
$894.5M
$1.1B
Q1 24
$882.1M
$1.0B
Total Assets
AROC
AROC
FSS
FSS
Q4 25
$4.3B
$2.4B
Q3 25
$4.4B
$1.9B
Q2 25
$4.4B
$1.9B
Q1 25
$4.0B
$1.9B
Q4 24
$3.8B
$1.8B
Q3 24
$3.8B
$1.7B
Q2 24
$2.7B
$1.7B
Q1 24
$2.7B
$1.7B
Debt / Equity
AROC
AROC
FSS
FSS
Q4 25
0.41×
Q3 25
0.15×
Q2 25
0.20×
Q1 25
0.22×
Q4 24
0.17×
Q3 24
0.19×
Q2 24
0.23×
Q1 24
0.26×

Cash Flow & Capital Efficiency

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

Metric
AROC
AROC
FSS
FSS
Operating Cash FlowLast quarter
$214.5M
$97.2M
Free Cash FlowOCF − Capex
$126.7M
$89.5M
FCF MarginFCF / Revenue
33.6%
15.0%
Capex IntensityCapex / Revenue
23.3%
1.3%
Cash ConversionOCF / Net Profit
1.84×
1.60×
TTM Free Cash FlowTrailing 4 quarters
$119.6M
$227.1M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
AROC
AROC
FSS
FSS
Q4 25
$214.5M
$97.2M
Q3 25
$164.5M
$61.1M
Q2 25
$127.5M
$59.7M
Q1 25
$115.6M
$36.7M
Q4 24
$124.3M
$90.6M
Q3 24
$96.9M
$68.8M
Q2 24
$70.7M
$40.6M
Q1 24
$137.7M
$31.3M
Free Cash Flow
AROC
AROC
FSS
FSS
Q4 25
$126.7M
$89.5M
Q3 25
$29.5M
$54.1M
Q2 25
$16.0M
$52.4M
Q1 25
$-52.5M
$31.1M
Q4 24
$26.4M
$82.1M
Q3 24
$26.9M
$60.9M
Q2 24
$-20.6M
$24.8M
Q1 24
$37.9M
$22.9M
FCF Margin
AROC
AROC
FSS
FSS
Q4 25
33.6%
15.0%
Q3 25
7.7%
9.7%
Q2 25
4.2%
9.3%
Q1 25
-15.1%
6.7%
Q4 24
8.1%
17.4%
Q3 24
9.2%
12.8%
Q2 24
-7.6%
5.1%
Q1 24
14.1%
5.4%
Capex Intensity
AROC
AROC
FSS
FSS
Q4 25
23.3%
1.3%
Q3 25
35.3%
1.3%
Q2 25
29.1%
1.3%
Q1 25
48.4%
1.2%
Q4 24
30.0%
1.8%
Q3 24
24.0%
1.7%
Q2 24
33.7%
3.2%
Q1 24
37.2%
2.0%
Cash Conversion
AROC
AROC
FSS
FSS
Q4 25
1.84×
1.60×
Q3 25
2.31×
0.90×
Q2 25
2.01×
0.84×
Q1 25
1.63×
0.79×
Q4 24
2.08×
1.81×
Q3 24
2.58×
1.28×
Q2 24
2.05×
0.67×
Q1 24
3.40×
0.61×

Financial Flow Comparison

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

Revenue Breakdown by Segment

AROC
AROC

Horsepower Group Three$112.6M30%
Horsepower Group Two$108.5M29%
Horsepower Group One$105.9M28%
Services$32.9M9%
Over Counter Parts And Component Sales$17.0M5%
Transferred At Point In Time$1.4M0%

FSS
FSS

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

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