EX-21.1 4 a2024q410kex211.htm EX-21.1
Exhibit 21.1
Smart Sand, Inc. and Subsidiaries
List of Subsidiaries as of December 31, 2024

Subsidiaries |  | State of Organization
Fairview Cranberry, LLC |  | Wisconsin
Will Logistics, LLC |  | Pennsylvania
Smart Sand Live Oak LLC |  | Delaware
Smart Sand Fayette County LLC |  | Delaware
Smart Sand Hixton LLC |  | Delaware
Smart Sand Reagan County LLC |  | Delaware
Smart Sand Tom Green County LLC |  | Delaware
Smart Sand Oakdale LLC |  | Delaware
SSI Logistics LLC |  | Delaware
SSI Permian I, LLC |  | Delaware
SSI Permian II, LLC |  | Delaware
Smart Sand Holdings, LLC |  | Delaware
SSI Bakken I, LLC |  | Delaware
Quickthree Technology, LLC |  | Delaware
SSI Marcellus I, LLC |  | Delaware
Bakken Silo Servicing, LLC |  | Delaware
SSI Oil and Gas Proppants Holdings, LLC |  | Delaware
SSI Oil and Gas Proppants, LLC |  | Delaware
CRS Proppants LLC |  | Delaware
Northern White Sand LLC |  | Delaware
Smart Sand Blair, LLC |  | Delaware