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Side-by-side financial comparison of Custom Truck One Source, Inc. (CTOS) and GIBRALTAR INDUSTRIES, INC. (ROCK). 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 $225.0M, roughly 1.9× GIBRALTAR INDUSTRIES, INC.). On growth, GIBRALTAR INDUSTRIES, INC. posted the faster year-over-year revenue change (24.9% vs -8.5%). Over the past eight quarters, Custom Truck One Source, Inc.'s revenue compounded faster (14.8% CAGR vs -12.3%).

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.

Gibraltar Industries, Inc. is a leading manufacturer and distributor of specialized building, infrastructure, and renewable energy products. Its offerings include ventilation systems, roofing accessories, solar mounting solutions, and landscape and garden products, serving residential, commercial construction, and clean energy markets primarily across North America, with a focus on innovative, sustainable solutions for its customers.

CTOS vs ROCK — Head-to-Head

Bigger by revenue
CTOS
CTOS
1.9× larger
CTOS
$422.2M
$225.0M
ROCK
Growing faster (revenue YoY)
ROCK
ROCK
+33.5% gap
ROCK
24.9%
-8.5%
CTOS
Faster 2-yr revenue CAGR
CTOS
CTOS
Annualised
CTOS
14.8%
-12.3%
ROCK

Income Statement — Q1 FY2026 vs Q4 FY2025

Metric
CTOS
CTOS
ROCK
ROCK
Revenue
$422.2M
$225.0M
Net Profit
$-17.8M
Gross Margin
20.3%
25.3%
Operating Margin
2.9%
7.9%
Net Margin
-4.2%
Revenue YoY
-8.5%
24.9%
Net Profit YoY
-333.7%
EPS (diluted)
$-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
CTOS
CTOS
ROCK
ROCK
Q1 26
$422.2M
Q4 25
$387.3M
$225.0M
Q3 25
$359.9M
$310.9M
Q2 25
$392.2M
$309.5M
Q1 25
$307.1M
$290.0M
Q4 24
$398.3M
$180.1M
Q3 24
$337.5M
$277.1M
Q2 24
$320.6M
$273.6M
Net Profit
CTOS
CTOS
ROCK
ROCK
Q1 26
$-17.8M
Q4 25
$20.9M
Q3 25
$-5.8M
$-89.1M
Q2 25
$-28.4M
$26.0M
Q1 25
$-17.8M
$21.1M
Q4 24
$27.6M
Q3 24
$-17.4M
$34.0M
Q2 24
$-24.5M
$32.2M
Gross Margin
CTOS
CTOS
ROCK
ROCK
Q1 26
20.3%
Q4 25
31.8%
25.3%
Q3 25
28.0%
26.6%
Q2 25
26.1%
28.4%
Q1 25
27.9%
26.8%
Q4 24
29.7%
29.0%
Q3 24
27.2%
29.4%
Q2 24
27.8%
30.5%
Operating Margin
CTOS
CTOS
ROCK
ROCK
Q1 26
2.9%
Q4 25
13.4%
7.9%
Q3 25
9.1%
12.8%
Q2 25
7.1%
12.8%
Q1 25
4.0%
8.8%
Q4 24
16.9%
13.3%
Q3 24
6.8%
15.6%
Q2 24
5.5%
14.9%
Net Margin
CTOS
CTOS
ROCK
ROCK
Q1 26
-4.2%
Q4 25
5.4%
Q3 25
-1.6%
-28.6%
Q2 25
-7.2%
8.4%
Q1 25
-5.8%
7.3%
Q4 24
6.9%
Q3 24
-5.2%
12.3%
Q2 24
-7.6%
11.8%
EPS (diluted)
CTOS
CTOS
ROCK
ROCK
Q1 26
$-0.08
Q4 25
$0.10
Q3 25
$-0.03
$-2.98
Q2 25
$-0.13
$0.87
Q1 25
$-0.08
Q4 24
$0.11
Q3 24
$-0.07
$1.11
Q2 24
$-0.10
$1.05

Balance Sheet & Financial Strength

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

Metric
CTOS
CTOS
ROCK
ROCK
Cash + ST InvestmentsLiquidity on hand
$6.3M
$115.7M
Total DebtLower is stronger
$25.9M
$0
Stockholders' EquityBook value
$809.1M
$950.4M
Total Assets
$3.4B
$1.4B
Debt / EquityLower = less leverage
0.03×
0.00×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
CTOS
CTOS
ROCK
ROCK
Q1 26
$6.3M
Q4 25
$6.3M
$115.7M
Q3 25
$13.1M
$89.4M
Q2 25
$5.3M
$43.3M
Q1 25
$5.4M
$25.1M
Q4 24
$3.8M
$269.5M
Q3 24
$8.4M
$228.9M
Q2 24
$8.1M
$179.1M
Total Debt
CTOS
CTOS
ROCK
ROCK
Q1 26
$25.9M
Q4 25
$1.6B
$0
Q3 25
$1.6B
$0
Q2 25
$1.6B
$0
Q1 25
$1.6B
$0
Q4 24
$1.5B
$0
Q3 24
$1.6B
$0
Q2 24
$1.5B
$0
Stockholders' Equity
CTOS
CTOS
ROCK
ROCK
Q1 26
$809.1M
Q4 25
$809.1M
$950.4M
Q3 25
$784.7M
$951.8M
Q2 25
$790.1M
$1.0B
Q1 25
$813.4M
$1.0B
Q4 24
$861.3M
$1.0B
Q3 24
$837.5M
$1.0B
Q2 24
$856.7M
$975.7M
Total Assets
CTOS
CTOS
ROCK
ROCK
Q1 26
$3.4B
Q4 25
$3.4B
$1.4B
Q3 25
$3.5B
$1.4B
Q2 25
$3.6B
$1.5B
Q1 25
$3.5B
$1.4B
Q4 24
$3.5B
$1.4B
Q3 24
$3.6B
$1.4B
Q2 24
$3.5B
$1.4B
Debt / Equity
CTOS
CTOS
ROCK
ROCK
Q1 26
0.03×
Q4 25
2.03×
0.00×
Q3 25
2.10×
0.00×
Q2 25
2.04×
0.00×
Q1 25
1.97×
0.00×
Q4 24
1.77×
0.00×
Q3 24
1.87×
0.00×
Q2 24
1.79×
0.00×

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
ROCK
ROCK
Operating Cash FlowLast quarter
$35.5M
Free Cash FlowOCF − Capex
$26.2M
FCF MarginFCF / Revenue
11.7%
Capex IntensityCapex / Revenue
4.1%
Cash ConversionOCF / Net Profit
TTM Free Cash FlowTrailing 4 quarters
$120.6M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
CTOS
CTOS
ROCK
ROCK
Q1 26
Q4 25
$47.3M
$35.5M
Q3 25
$81.5M
$73.0M
Q2 25
$125.7M
$44.9M
Q1 25
$55.6M
$13.7M
Q4 24
$82.1M
$19.9M
Q3 24
$16.5M
$64.7M
Q2 24
$37.8M
$36.5M
Free Cash Flow
CTOS
CTOS
ROCK
ROCK
Q1 26
Q4 25
$26.2M
Q3 25
$64.8M
Q2 25
$27.3M
Q1 25
$2.3M
Q4 24
$14.1M
Q3 24
$60.5M
Q2 24
$33.5M
FCF Margin
CTOS
CTOS
ROCK
ROCK
Q1 26
Q4 25
11.7%
Q3 25
20.8%
Q2 25
8.8%
Q1 25
0.8%
Q4 24
7.8%
Q3 24
21.8%
Q2 24
12.2%
Capex Intensity
CTOS
CTOS
ROCK
ROCK
Q1 26
Q4 25
4.1%
Q3 25
2.6%
Q2 25
5.7%
Q1 25
3.9%
Q4 24
3.3%
Q3 24
1.5%
Q2 24
1.1%
Cash Conversion
CTOS
CTOS
ROCK
ROCK
Q1 26
Q4 25
2.27×
Q3 25
Q2 25
1.73×
Q1 25
0.65×
Q4 24
2.98×
Q3 24
1.90×
Q2 24
1.13×

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%

ROCK
ROCK

Transferred At Point In Time$183.5M82%
Infrastructure$22.5M10%
Other$18.9M8%

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