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Side-by-side financial comparison of Custom Truck One Source, Inc. (CTOS) and Five9, Inc. (FIVN). Click either name above to swap in a different company.

Custom Truck One Source, Inc. is the larger business by last-quarter revenue ($422.2M vs $300.3M, roughly 1.4× Five9, Inc.). On growth, Five9, Inc. posted the faster year-over-year revenue change (7.8% vs -8.5%). Over the past eight quarters, Custom Truck One Source, Inc.'s revenue compounded faster (14.8% CAGR vs 10.3%).

Custom Truck One Source, Inc. is a leading provider of specialized heavy truck and equipment solutions in North America. It offers custom vehicle manufacturing, equipment sales and rentals, aftermarket parts, and maintenance services, serving core infrastructure, utility, construction, and energy industry segments.

Five9, Inc. is a leading global provider of cloud-native contact center software and solutions. It serves enterprises of all sizes across retail, healthcare, financial services, and technology sectors, offering omnichannel customer engagement tools, AI-powered automation, workforce management, and analytics to boost customer experience and operational efficiency.

CTOS vs FIVN — Head-to-Head

Bigger by revenue
CTOS
CTOS
1.4× larger
CTOS
$422.2M
$300.3M
FIVN
Growing faster (revenue YoY)
FIVN
FIVN
+16.3% gap
FIVN
7.8%
-8.5%
CTOS
Faster 2-yr revenue CAGR
CTOS
CTOS
Annualised
CTOS
14.8%
10.3%
FIVN

Income Statement — Q1 FY2026 vs Q4 FY2025

Metric
CTOS
CTOS
FIVN
FIVN
Revenue
$422.2M
$300.3M
Net Profit
$-17.8M
Gross Margin
20.3%
55.4%
Operating Margin
2.9%
6.6%
Net Margin
-4.2%
Revenue YoY
-8.5%
7.8%
Net Profit YoY
-333.7%
EPS (diluted)
$-0.08
$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
CTOS
CTOS
FIVN
FIVN
Q1 26
$422.2M
Q4 25
$387.3M
$300.3M
Q3 25
$359.9M
$285.8M
Q2 25
$392.2M
$283.3M
Q1 25
$307.1M
$279.7M
Q4 24
$398.3M
$278.7M
Q3 24
$337.5M
$264.2M
Q2 24
$320.6M
$252.1M
Net Profit
CTOS
CTOS
FIVN
FIVN
Q1 26
$-17.8M
Q4 25
$20.9M
Q3 25
$-5.8M
$18.0M
Q2 25
$-28.4M
$1.2M
Q1 25
$-17.8M
$576.0K
Q4 24
$27.6M
Q3 24
$-17.4M
$-4.5M
Q2 24
$-24.5M
$-12.8M
Gross Margin
CTOS
CTOS
FIVN
FIVN
Q1 26
20.3%
Q4 25
31.8%
55.4%
Q3 25
28.0%
55.0%
Q2 25
26.1%
54.9%
Q1 25
27.9%
55.0%
Q4 24
29.7%
56.0%
Q3 24
27.2%
53.8%
Q2 24
27.8%
53.0%
Operating Margin
CTOS
CTOS
FIVN
FIVN
Q1 26
2.9%
Q4 25
13.4%
6.6%
Q3 25
9.1%
5.6%
Q2 25
7.1%
-0.6%
Q1 25
4.0%
-1.9%
Q4 24
16.9%
1.5%
Q3 24
6.8%
-5.8%
Q2 24
5.5%
-7.7%
Net Margin
CTOS
CTOS
FIVN
FIVN
Q1 26
-4.2%
Q4 25
5.4%
Q3 25
-1.6%
6.3%
Q2 25
-7.2%
0.4%
Q1 25
-5.8%
0.2%
Q4 24
6.9%
Q3 24
-5.2%
-1.7%
Q2 24
-7.6%
-5.1%
EPS (diluted)
CTOS
CTOS
FIVN
FIVN
Q1 26
$-0.08
Q4 25
$0.10
$0.22
Q3 25
$-0.03
$0.21
Q2 25
$-0.13
$0.01
Q1 25
$-0.08
$0.01
Q4 24
$0.11
$0.16
Q3 24
$-0.07
$-0.06
Q2 24
$-0.10
$-0.17

Balance Sheet & Financial Strength

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

Metric
CTOS
CTOS
FIVN
FIVN
Cash + ST InvestmentsLiquidity on hand
$6.3M
$232.1M
Total DebtLower is stronger
$25.9M
Stockholders' EquityBook value
$809.1M
$785.8M
Total Assets
$3.4B
$1.8B
Debt / EquityLower = less leverage
0.03×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
CTOS
CTOS
FIVN
FIVN
Q1 26
$6.3M
Q4 25
$6.3M
$232.1M
Q3 25
$13.1M
$193.4M
Q2 25
$5.3M
$205.5M
Q1 25
$5.4M
$370.3M
Q4 24
$3.8M
$362.5M
Q3 24
$8.4M
$291.0M
Q2 24
$8.1M
$175.7M
Total Debt
CTOS
CTOS
FIVN
FIVN
Q1 26
$25.9M
Q4 25
$1.6B
Q3 25
$1.6B
Q2 25
$1.6B
Q1 25
$1.6B
Q4 24
$1.5B
Q3 24
$1.6B
Q2 24
$1.5B
Stockholders' Equity
CTOS
CTOS
FIVN
FIVN
Q1 26
$809.1M
Q4 25
$809.1M
$785.8M
Q3 25
$784.7M
$775.3M
Q2 25
$790.1M
$717.4M
Q1 25
$813.4M
$664.3M
Q4 24
$861.3M
$622.2M
Q3 24
$837.5M
$565.6M
Q2 24
$856.7M
$525.9M
Total Assets
CTOS
CTOS
FIVN
FIVN
Q1 26
$3.4B
Q4 25
$3.4B
$1.8B
Q3 25
$3.5B
$1.8B
Q2 25
$3.6B
$1.7B
Q1 25
$3.5B
$2.1B
Q4 24
$3.5B
$2.1B
Q3 24
$3.6B
$2.0B
Q2 24
$3.5B
$1.9B
Debt / Equity
CTOS
CTOS
FIVN
FIVN
Q1 26
0.03×
Q4 25
2.03×
Q3 25
2.10×
Q2 25
2.04×
Q1 25
1.97×
Q4 24
1.77×
Q3 24
1.87×
Q2 24
1.79×

Cash Flow & Capital Efficiency

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

Metric
CTOS
CTOS
FIVN
FIVN
Operating Cash FlowLast quarter
$83.6M
Free Cash FlowOCF − Capex
$77.3M
FCF MarginFCF / Revenue
25.8%
Capex IntensityCapex / Revenue
2.1%
Cash ConversionOCF / Net Profit
TTM Free Cash FlowTrailing 4 quarters
$201.2M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
CTOS
CTOS
FIVN
FIVN
Q1 26
Q4 25
$47.3M
$83.6M
Q3 25
$81.5M
$59.2M
Q2 25
$125.7M
$35.1M
Q1 25
$55.6M
$48.4M
Q4 24
$82.1M
$49.8M
Q3 24
$16.5M
$41.1M
Q2 24
$37.8M
$19.9M
Free Cash Flow
CTOS
CTOS
FIVN
FIVN
Q1 26
Q4 25
$77.3M
Q3 25
$48.7M
Q2 25
$31.6M
Q1 25
$43.7M
Q4 24
$40.5M
Q3 24
$26.7M
Q2 24
$13.1M
FCF Margin
CTOS
CTOS
FIVN
FIVN
Q1 26
Q4 25
25.8%
Q3 25
17.0%
Q2 25
11.1%
Q1 25
15.6%
Q4 24
14.5%
Q3 24
10.1%
Q2 24
5.2%
Capex Intensity
CTOS
CTOS
FIVN
FIVN
Q1 26
Q4 25
2.1%
Q3 25
3.7%
Q2 25
1.2%
Q1 25
1.7%
Q4 24
3.3%
Q3 24
5.4%
Q2 24
2.7%
Cash Conversion
CTOS
CTOS
FIVN
FIVN
Q1 26
Q4 25
2.27×
Q3 25
3.29×
Q2 25
30.38×
Q1 25
84.00×
Q4 24
2.98×
Q3 24
Q2 24

Financial Flow Comparison

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

Revenue Breakdown by Segment

CTOS
CTOS

Equipment sales$273.9M65%
Rental revenue$116.3M28%
Parts sales and services$32.1M8%

FIVN
FIVN

Segment breakdown not available.

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