Custom Truck One Source Inc is a one-stop-shop provider of specialty equipment in the electric utility transmission and distribution, forestry, telecom, waste management, rail, and infrastructure end-markets in North America... Show more
Custom Truck One Source is one of North America's largest providers of specialty equipment to electric utility, telecom, rail, and infrastructure end markets. Its quarterly earnings report is a closely watched gauge of utility grid investment, electrification, and infrastructure spending. The third quarter follows a strong first half in which the company posted record revenue and returned to profitability. Heading into this report, investors were focused on whether rental demand could sustain its momentum, whether the Specialty Truck Equipment and Manufacturing (STEM) segment could deliver on its order pipeline, and whether deleveraging would continue. With management now operating under two reportable segments—SER and STEM—the results also offer a cleaner view of how each part of the business is performing.
For the third quarter ended September 30, 2026, CTOS reported total revenue of $495.2 million, a 2.7% increase from $482.1 million in the prior-year period but below Wall Street's consensus of roughly $516.6 million. GAAP net income was $2.3 million, a swing from a net loss of $5.8 million a year earlier, with diluted EPS of $0.01, in line with consensus and up from a loss of $0.03 per share.
Profitability outpaced the top line. Adjusted EBITDA grew 15.6% to $110.9 million, exceeding the consensus estimate of about $104.5 million, while the adjusted EBITDA margin expanded roughly 250 basis points to 22.4%. The SER segment led the way, with adjusted EBITDA rising 22.5% to $121.9 million and segment margin reaching 54.6%, up from 52.4%. STEM adjusted EBITDA was $36.6 million.
The revenue shortfall stemmed largely from timing rather than weakening demand. A vendor recall and hail damage at the company's Kansas City facility pushed more than $20 million of STEM sales out of the quarter; management said those deliveries are scheduled to ship in the fourth quarter. Meanwhile, the STEM backlog grew 22.2% year over year to $341.9 million, and rental fleet utilization held at 81.5%.
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The third-quarter print presented a mixed picture that investors had to weigh carefully. On one hand, adjusted EBITDA beat expectations, margins expanded, and guidance was raised for the third time this year—evidence that the core rental business and utility T&D demand remain robust. On the other hand, revenue came in below consensus, and GAAP EPS was merely in line with estimates, reflecting the timing-related shifts in STEM equipment sales.
Sentiment heading into the report had been constructive, supported by record first-half results, improving fleet utilization, and steady progress on reducing leverage from above 4.5x a year ago to 3.70x. The guidance raise and record fleet metrics likely reinforced confidence in the rental-driven earnings trajectory, while the revenue miss and near-term free cash flow outlook (now expected to be only slightly positive) gave investors reason to monitor execution on the delayed deliveries.
Looking ahead, management's raised guidance signals confidence in continued momentum. The company now expects full-year 2026 SER revenue of $870 million to $890 million (up from $850 million to $875 million) and total adjusted EBITDA of $447.5 million to $460 million, which would represent roughly 17% to 20% growth over 2025.
One key factor to watch is whether the more than $20 million of STEM deliveries delayed by the vendor recall and the hailstorm are completed in the fourth quarter as planned. Because these are timing issues rather than lost orders, they could provide a near-term revenue tailwind—but any further slippage would pressure the top line.
Investors should also monitor rental fleet metrics, including OEC on rent, utilization, and on-rent yield, as these drive SER profitability. The company is raising its 2026 net rental fleet investment to $210 million to $230 million to capture high-return transmission demand, with the earnings benefit expected to be weighted toward 2027.
Finally, deleveraging remains central to the story. With net leverage at 3.70x and management targeting a continued decline toward 3x in 2027, progress on cash flow generation, working capital management, and interest expense will be important signals for the balance sheet and overall earnings quality.
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a company, which engages in the provision of equipment parts, tools, accessories and rental services
Industry FinanceRentalLeasing