EX-32 9 a06302025ctosex32.htm EX-32
Exhibit 32
CERTIFICATION PURSUANT TO
18 U.S.C. SECTION 1350
AS ADOPTED PURSUANT TO
SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002
In connection with the Quarterly Report on Form 10-Q of Custom Truck One Source, Inc. (the “Company”) for the quarterly period ended June 30, 2025, as filed with the Securities and Exchange Commission (the “Report”), each of the undersigned, in the capacities and on the dates indicated below, hereby certifies pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that:
1. The Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934; and
2. The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

July 30, 2025 | /s/ Ryan McMonagle
| Ryan McMonagle
| Chief Executive Officer
July 30, 2025 | /s/ Christopher J. Eperjesy
| Christopher J. Eperjesy
| Chief Financial Officer