EX-21.1 4 acdc-ex21_1.htm EX-21.1

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
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
Advanced Measurements, Inc. |  | Alberta, Canada
Advanced Stimulation Technologies, Inc. |  | Texas
Alpine Silica Holding, Inc. |  | Delaware
AMI Canada, ULC |  | Alberta, Canada
AMI US Holdings, Inc. |  | Texas
FHE Holdco, LLC |  | Delaware
FHE Holdco II, LLC |  | Delaware
FHE USA LLC |  | Delaware
FHE Middle East Oil and Gas Equipment L.L.C. |  | Abu Dhabi, UAE
Iron Pressure Control LLC |  | Delaware
Livewire Power, LLC |  | Delaware
NRG MANUFACTURING INC |  | Texas