Exhibit 21.1

 

List of subsidiaries of ProFrac Holding Corp.

Name

 

Jurisdiction of Organization

ProFrac Holdings, LLC

 

Texas

ProFrac Holdings II, LLC (dba PF Holdings)

 

Texas

ProFrac Services, LLC

 

Texas

ProFrac Manufacturing, LLC

 

Texas

Alpine Silica, LLC

 

Texas

BEST Pump and Flow, LLC

 

Texas

FTS International, Inc.

 

Delaware

FTS International Services, LLC

 

Texas

FTS International Manufacturing, LLC

 

Texas

EKU Power Drives GmbH

 

Germany

EKU Power Drives Inc.

 

Delaware

AG PSC Funding LLC

 

Delaware

REV Energy Services, LLC

 

Colorado

REV Energy Holdings, LLC

 

Colorado

Alpine Monahans, LLC

 

Delaware

Alpine Monahans II, LLC

 

Delaware

Monarch Silica, LLC

 

Texas

Sunny Point Aggregates, LLC

 

Louisiana

Performance Proppants International, LLC

 

Louisiana

Performance Proppants, LLC

 

Texas

Red River Land Holdings, LLC

 

Louisiana

Performance Royalty, LLC

 

Louisiana

U.S. Well Services Holdings, LLC

 

Delaware

USWS Holdings LLC

 

Delaware

U.S. Well Services, LLC

 

Delaware

USWS Fleet 10, LLC

 

Delaware

USWS Fleet 11, LLC

 

Delaware

Producers Service Holdings LLC

 

Delaware

Producers Service Company – West LLC

 

Delaware

Producers Service I, LLC

 

Delaware

Producers Service Company LLC

 

Delaware

Alpine Holding, LLC

 

Delaware

Alpine Holding II, LLC

 

Delaware

Alpine Real Estate Holdings, LLC

 

Delaware

Best PFP, LLC

 

Texas

F3 Fuel, LLC

 

Texas

IOT-eq, LLC

 

Texas

PF Manufacturing Holding, LLC

 

Texas

PF Proppant Holding, LLC

 

Texas

PF Tech Holding, LLC

 

Texas

PF Services Holding, LLC

 

Texas

ProFrac Sub LLC

 

Delaware