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Exhibit 22.1

List of Guarantor Subsidiaries

The following is a listing of subsidiaries that guarantee the senior unsecured notes issued by U.S. Concrete, Inc. as of May 6, 2021.

Entity Name			Ownership Type			Primary Jurisdiction
160 East 22nd Terminal LLC			Indirect			New Jersey
A.B. of Sayville, Ltd.			Indirect			New York
Aggregate & Concrete Testing, LLC			Indirect			New York
Alberta Investments, Inc.			Direct			Texas
Alliance Haulers, Inc.			Direct			Texas
American Concrete Products, Inc.			Indirect			California
Atlas Redi-Mix, LLC			Indirect			Texas
Atlas-Tuck Concrete, Inc.			Direct			Oklahoma
Beall Concrete Enterprises, LLC			Indirect			Texas
Bode Concrete LLC			Indirect			California
Bode Gravel Co.			Indirect			California
Breckenridge Ready Mix, Inc.			Indirect			Texas
BSLH Realty Corp.			Indirect			New York
Central Concrete Supply Co., Inc.			Direct			California
Colonial Concrete Co.			Indirect			New Jersey
Coram Materials Corp.			Indirect			New York
Custom-Crete Redi-Mix, LLC			Indirect			Texas
Custom-Crete, LLC			Indirect			Texas
Eastern Concrete Materials, Inc.			Indirect			New Jersey
Ferrara Bros., LLC			Indirect			Delaware
Ferrara West LLC			Indirect			New Jersey
Hamburg Quarry Limited Liability Company			Indirect			New Jersey
Ingram Concrete, LLC			Indirect			Texas
Kurtz Gravel Company			Direct			Michigan
Local Concrete Supply & Equipment, LLC			Indirect			Delaware
Master Mix Concrete, LLC			Indirect			New Jersey
Master Mix, LLC			Indirect			Delaware
Miller Place Development, LLC			Indirect			New York
MLFF Realty Corp.			Indirect			New York
New York Sand & Stone, LLC			Indirect			New York
NorCal Materials, Inc.			Direct			California
NYC Concrete Materials, LLC			Indirect			Delaware
Outrigger, LLC			Direct			Delaware
Pebble Lane Associates, LLC			Indirect			Delaware
Polaris Aggregates Inc.			Direct			Delaware
Premco Organization, Inc.			Indirect			New Jersey
Redi-Mix Concrete, L.P.			Indirect			Texas
Redi-Mix GP, LLC			Indirect			Texas
Redi-Mix, LLC			Indirect			Texas
Right Away Redy Mix Incorporated			Direct			California

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Exhibit 22.1

Entity Name			Ownership Type			Primary Jurisdiction
Rock Transport, Inc.			Indirect			California
Sierra Precast, Inc.			Direct			California
Smith Pre-Cast, Inc.			Direct			Delaware
Superior Concrete Materials, Inc.			Indirect			District of Columbia
Titan Concrete Industries, Inc.			Direct			Delaware
U.S. Concrete On-Site, Inc.			Direct			Delaware
USC - New York Payroll, LLC			Direct			Delaware
USC Atlantic, Inc.			Direct			Delaware
USC Management Co., LLC			Direct			Delaware
USC Payroll, Inc.			Direct			Delaware
USC Technologies, Inc.			Direct			Delaware
USC-Jenna, LLC			Indirect			Delaware
USC-Kings, LLC			Indirect			Delaware
USC-NYCON, LLC			Indirect			Delaware
Valente Equipment Leasing Corp.			Indirect			New York
WMC IP, Inc.			Direct			New Jersey
WMC OP, LLC			Indirect			New Jersey
Yardarm, LLC			Direct			Delaware