Shares of Custom Truck One Source Inc (CTOS) are soaring 15.19% in pre-market trading on Thursday, following the release of its impressive second-quarter 2025 financial results. The company reported a significant revenue surge of 20.9% and a 14.9% increase in gross profit, demonstrating strong performance across its business segments.

Custom Truck One Source's Q2 2025 results showcased robust growth, with Adjusted EBITDA reaching $93.428 million, up from $80.056 million in the previous period. The company's performance was driven by strength in its three main segments: Equipment Rental Solutions (ERS), Truck and Equipment Sales (TES), and Aftermarket Parts and Services (APS). The ERS segment, which includes the core rental business and sales of used rental equipment, continued to be a strong component of the company's operations.

While the company's outlook remains positive, it acknowledges potential challenges such as increases in labor costs and competition in the equipment dealership and rental industries. Investors appear to be reacting positively to the strong quarterly performance, driving the stock's significant pre-market surge. As the market opens, traders will be closely watching to see if this momentum continues throughout the trading session.