Form: 10-K

Annual report [Section 13 and 15(d), not S-K Item 405]

February 25, 2026

Exhibit 21.1

LIST OF SUBSIDIARIES

(as of December 31, 2025)

Mobile Modular Management Corporation

Enviroplex, Inc.

TRS-RenTelco Inc.

McGrath 180, LLC

Vesta Housing Solutions Holdings, LLC

Vesta Housing Solutions Group, LLC

Modular Holdings, LLC

Vesta Housing Solutions, LLC

Innovative Modular Solutions, LLC