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Side-by-side financial comparison of CSG SYSTEMS INTERNATIONAL INC (CSGS) and Custom Truck One Source, Inc. (CTOS). 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 $323.1M, roughly 1.3× CSG SYSTEMS INTERNATIONAL INC). CSG SYSTEMS INTERNATIONAL INC runs the higher net margin — 2.2% vs -4.2%, a 6.4% gap on every dollar of revenue. On growth, CSG SYSTEMS INTERNATIONAL INC posted the faster year-over-year revenue change (2.0% vs -8.5%). Over the past eight quarters, Custom Truck One Source, Inc.'s revenue compounded faster (14.8% CAGR vs 4.6%).

CSG Holding Limited, formerly China Southern Glass Holding Limited, is the largest architectural glass manufacturer in China. It is involved in manufacturing and selling glass products, such as float glass, architectural glass, display glass, automotive glass, coated glass, mirrors, color filter glass, solar glass and conservation glass.

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.

CSGS vs CTOS — Head-to-Head

Bigger by revenue
CTOS
CTOS
1.3× larger
CTOS
$422.2M
$323.1M
CSGS
Growing faster (revenue YoY)
CSGS
CSGS
+10.6% gap
CSGS
2.0%
-8.5%
CTOS
Higher net margin
CSGS
CSGS
6.4% more per $
CSGS
2.2%
-4.2%
CTOS
Faster 2-yr revenue CAGR
CTOS
CTOS
Annualised
CTOS
14.8%
4.6%
CSGS

Income Statement — Q4 FY2025 vs Q1 FY2026

Metric
CSGS
CSGS
CTOS
CTOS
Revenue
$323.1M
$422.2M
Net Profit
$7.0M
$-17.8M
Gross Margin
50.0%
20.3%
Operating Margin
9.0%
2.9%
Net Margin
2.2%
-4.2%
Revenue YoY
2.0%
-8.5%
Net Profit YoY
-79.7%
-333.7%
EPS (diluted)
$0.24
$-0.08

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
CSGS
CSGS
CTOS
CTOS
Q1 26
$422.2M
Q4 25
$323.1M
$387.3M
Q3 25
$303.6M
$359.9M
Q2 25
$297.1M
$392.2M
Q1 25
$299.5M
$307.1M
Q4 24
$316.7M
$398.3M
Q3 24
$295.1M
$337.5M
Q2 24
$290.3M
$320.6M
Net Profit
CSGS
CSGS
CTOS
CTOS
Q1 26
$-17.8M
Q4 25
$7.0M
$20.9M
Q3 25
$20.5M
$-5.8M
Q2 25
$12.3M
$-28.4M
Q1 25
$16.1M
$-17.8M
Q4 24
$34.5M
$27.6M
Q3 24
$19.1M
$-17.4M
Q2 24
$13.8M
$-24.5M
Gross Margin
CSGS
CSGS
CTOS
CTOS
Q1 26
20.3%
Q4 25
50.0%
31.8%
Q3 25
48.1%
28.0%
Q2 25
49.5%
26.1%
Q1 25
48.4%
27.9%
Q4 24
51.3%
29.7%
Q3 24
49.4%
27.2%
Q2 24
47.3%
27.8%
Operating Margin
CSGS
CSGS
CTOS
CTOS
Q1 26
2.9%
Q4 25
9.0%
13.4%
Q3 25
10.0%
9.1%
Q2 25
10.0%
7.1%
Q1 25
9.8%
4.0%
Q4 24
13.4%
16.9%
Q3 24
10.8%
6.8%
Q2 24
8.8%
5.5%
Net Margin
CSGS
CSGS
CTOS
CTOS
Q1 26
-4.2%
Q4 25
2.2%
5.4%
Q3 25
6.7%
-1.6%
Q2 25
4.1%
-7.2%
Q1 25
5.4%
-5.8%
Q4 24
10.9%
6.9%
Q3 24
6.5%
-5.2%
Q2 24
4.8%
-7.6%
EPS (diluted)
CSGS
CSGS
CTOS
CTOS
Q1 26
$-0.08
Q4 25
$0.24
$0.10
Q3 25
$0.73
$-0.03
Q2 25
$0.44
$-0.13
Q1 25
$0.57
$-0.08
Q4 24
$1.20
$0.11
Q3 24
$0.67
$-0.07
Q2 24
$0.48
$-0.10

Balance Sheet & Financial Strength

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

Metric
CSGS
CSGS
CTOS
CTOS
Cash + ST InvestmentsLiquidity on hand
$180.0M
$6.3M
Total DebtLower is stronger
$539.5M
$25.9M
Stockholders' EquityBook value
$283.7M
$809.1M
Total Assets
$1.5B
$3.4B
Debt / EquityLower = less leverage
1.90×
0.03×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
CSGS
CSGS
CTOS
CTOS
Q1 26
$6.3M
Q4 25
$180.0M
$6.3M
Q3 25
$158.4M
$13.1M
Q2 25
$145.9M
$5.3M
Q1 25
$136.0M
$5.4M
Q4 24
$161.8M
$3.8M
Q3 24
$118.4M
$8.4M
Q2 24
$110.4M
$8.1M
Total Debt
CSGS
CSGS
CTOS
CTOS
Q1 26
$25.9M
Q4 25
$539.5M
$1.6B
Q3 25
$538.6M
$1.6B
Q2 25
$537.8M
$1.6B
Q1 25
$537.6M
$1.6B
Q4 24
$538.5M
$1.5B
Q3 24
$539.5M
$1.6B
Q2 24
$540.5M
$1.5B
Stockholders' Equity
CSGS
CSGS
CTOS
CTOS
Q1 26
$809.1M
Q4 25
$283.7M
$809.1M
Q3 25
$289.5M
$784.7M
Q2 25
$290.7M
$790.1M
Q1 25
$283.1M
$813.4M
Q4 24
$282.6M
$861.3M
Q3 24
$288.4M
$837.5M
Q2 24
$273.3M
$856.7M
Total Assets
CSGS
CSGS
CTOS
CTOS
Q1 26
$3.4B
Q4 25
$1.5B
$3.4B
Q3 25
$1.5B
$3.5B
Q2 25
$1.4B
$3.6B
Q1 25
$1.4B
$3.5B
Q4 24
$1.5B
$3.5B
Q3 24
$1.4B
$3.6B
Q2 24
$1.4B
$3.5B
Debt / Equity
CSGS
CSGS
CTOS
CTOS
Q1 26
0.03×
Q4 25
1.90×
2.03×
Q3 25
1.86×
2.10×
Q2 25
1.85×
2.04×
Q1 25
1.90×
1.97×
Q4 24
1.91×
1.77×
Q3 24
1.87×
1.87×
Q2 24
1.98×
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
CSGS
CSGS
CTOS
CTOS
Operating Cash FlowLast quarter
$59.2M
Free Cash FlowOCF − Capex
$55.8M
FCF MarginFCF / Revenue
17.3%
Capex IntensityCapex / Revenue
1.1%
Cash ConversionOCF / Net Profit
8.46×
TTM Free Cash FlowTrailing 4 quarters
$141.4M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
CSGS
CSGS
CTOS
CTOS
Q1 26
Q4 25
$59.2M
$47.3M
Q3 25
$47.9M
$81.5M
Q2 25
$37.3M
$125.7M
Q1 25
$11.5M
$55.6M
Q4 24
$82.5M
$82.1M
Q3 24
$39.5M
$16.5M
Q2 24
$43.1M
$37.8M
Free Cash Flow
CSGS
CSGS
CTOS
CTOS
Q1 26
Q4 25
$55.8M
Q3 25
$43.9M
Q2 25
$34.6M
Q1 25
$7.1M
Q4 24
$76.6M
Q3 24
$32.0M
Q2 24
$38.8M
FCF Margin
CSGS
CSGS
CTOS
CTOS
Q1 26
Q4 25
17.3%
Q3 25
14.5%
Q2 25
11.6%
Q1 25
2.4%
Q4 24
24.2%
Q3 24
10.8%
Q2 24
13.4%
Capex Intensity
CSGS
CSGS
CTOS
CTOS
Q1 26
Q4 25
1.1%
Q3 25
1.3%
Q2 25
0.9%
Q1 25
1.5%
Q4 24
1.9%
Q3 24
2.5%
Q2 24
1.5%
Cash Conversion
CSGS
CSGS
CTOS
CTOS
Q1 26
Q4 25
8.46×
2.27×
Q3 25
2.34×
Q2 25
3.04×
Q1 25
0.71×
Q4 24
2.39×
2.98×
Q3 24
2.07×
Q2 24
3.12×

Financial Flow Comparison

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

Revenue Breakdown by Segment

CSGS
CSGS

Software As A Service And Related Solutions$287.2M89%
License And Service$22.6M7%
Maintenance$13.3M4%

CTOS
CTOS

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

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