Business Description

Custom Truck One Source, Inc. (“we,” “our,” “us,” “Custom Truck,” or “the Company”), a Delaware corporation, and its wholly owned subsidiaries are engaged in the business of providing a range of services and products to customers through rentals and sales of specialty equipment, rentals and sales of aftermarket parts and services related to the specialty equipment, and repair, maintenance, and customization services related to that equipment. Immediately following the acquisition by Nesco Holdings II, Inc. of Custom Truck One Source, L.P. (“Custom Truck LP”) on April 1, 2021 (the “Acquisition”), Nesco Holdings, Inc. (“Nesco Holdings”) changed its name to “Custom Truck One Source, Inc.” and changed The New York Stock Exchange ticker for its shares of common stock from “NSCO” to “CTOS.” We are a specialty equipment provider to the electric utility transmission and distribution, telecommunications, rail, forestry, waste management and other infrastructure-related industries in North America. Our core business relates to our new equipment inventory and rental fleet of specialty equipment that is utilized by service providers in infrastructure development and improvement work. We offer our specialized equipment to a diverse customer base, including utilities and contractors, for the maintenance, repair, upgrade, and installation of critical infrastructure assets, including distribution and transmission electric lines, telecommunications networks, and rail systems, as well as for lighting and signage. We rent, produce, sell, and service a broad range of new and used equipment, including bucket trucks, digger derricks, dump trucks, cranes, service trucks, and heavy-haul trailers. Through December 31, 2025, we managed our business in our three reporting segments: Equipment Rental Solutions (“ERS”), Truck and Equipment Sales (“TES”), and Aftermarket Parts and Services (“APS”). Recently, our Chief Executive Officer reevaluated how he assesses performance and allocates resources across our business. This review resulted in a change in the reporting of management’s internal financial information. As a result, beginning in the three months ending March 31, 2026, we will report our results under two