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EXHIBIT 21
SUBSIDIARIES AS OF DECEMBER 31, 2024

			State or Other Jurisdiction of Incorporation or Organization			Percentage Owned Directly or Indirectly by Vulcan
A.B. of Sayville, LTD			New York			100
Aggregate & Concrete Testing, LLC			New York			100
Aggregates USA, LLC			Delaware			100
Aggregates USA (Augusta), LLC			Delaware			100
Aggregates USA (Macon), LLC			Delaware			100
Aggregates USA (Savannah), LLC			Delaware			100
Aggregates USA (Sparta), LLC			Delaware			100
Agregados Del Caribe, S. DE R.L. DE C.V.			Honduras			100
Agrecasa Holdings, B.V.			Netherlands			100
Arundel Company, LLC			Delaware			100
Atlantic Granite Company, LLC			South Carolina			100
Azusa Rock, LLC			Delaware			100
BHM Hangar, LLC			Alabama			83
Black Bear Materials, LTD			British Columbia			100
Black Point Aggregates Incorporated			Nova Scotia			100
Bode Concrete, LLC			California			100
Brooksville Quarry, LLC			Florida			50
BSLH Realty Corp.			New York			100
Calizas Industriales del Carmen, S.A. de C.V.			Mexico			100
CalMat Co.			Delaware			100
Central Concrete Supply Co. Inc.			California			100
Chem-Marine of South Carolina, LLC			South Carolina			100
Coram Materials Corp.			New York			100
Cosette Acquisitions, LLC			Delaware			100
Eagle Rock Aggregates, Inc.			Delaware			100
Florida Rock Industries, Inc.			Florida			100
Freeport Aggregates Limited			Bahamas			100
FRI Bahamas Ltd.			Bahamas			100
Hamburg Quarry Limited Liability Company			New Jersey			100
Harper Brothers, LLC			Delaware			100
Heavy Materials, LLC			U.S. Virgin Islands			100
Heritage Logistics, LLC			Delaware			100
Ingram Concrete, LLC			Texas			100
Legacy Vulcan, LLC			Delaware			100
Maryland Rock Industries, LLC			Delaware			100
Maryland Stone, LLC			Delaware			100
Mideast Division Logistics, LLC			Delaware			100
Miller Place Development, LLC			New York			100
MLFF Realty Corp.			New York			100
Mountain West Logistics, LLC			Delaware			100
National Quarries Enterprises, LLC			California			100
New York Sand & Stone, LLC			New York			100
NorCal Materials, Inc.			California			100
North American Recycling and Crushing, LLC			Delaware			100
North Field Extension, LLC			New Jersey			50
NYC Concrete Materials, LLC			Delaware			100
Orca Sand & Gravel Limited Partnership			British Columbia			88
Orca Sand & Gravel Ltd.			British Columbia			88
Outrigger, LLC			Delaware			100
Pacific Asphalt Distribution, LLC			Delaware			100
Pebble Lane Associates, LLC			Delaware			100
Polaris Aggregates Inc.			Delaware			100

			Exhibit 21

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			State or Other Jurisdiction of Incorporation or Organization			Percentage Owned Directly or Indirectly by Vulcan
Polaris Materials ULC			British Columbia			100
Polla Acquisitions, LLC			Delaware			100
Procesadora Del Caribe, S. DE R.L. DE C.V.			Honduras			100
Quality Sand & Stone Ltd.			British Columbia			100
R.C. Smith Companies, LLC			Delaware			100
Rancho Piedra Caliza, S.A. de C.V.			Mexico			100
RECO Transportation, LLC			Delaware			100
Redi-Mix, LLC			Texas			100
Right Away Redy Mix Incorporated			California			100
Rock Transport, Inc.			California			100
S & G Concrete Company, LLC			Delaware			100
Salisbury Towing, LLC			Delaware			100
Saturn V Lands, LLC			Delaware			100
Shamrock Building Materials, LLC			Delaware			100
Shamrock Sand and Rock, LLC			California			100
Simon Concrete and Aggregate, LLC			California			100
Smith Pre-Cast, Inc.			Delaware			100
Soportes Tecnicos Y Administrativos, S.A. de C.V.			Mexico			100
SOS Timber, LLC			North Carolina			100
Southeast Division Logistics, LLC			Delaware			100
Southern Gulf Coast Division Logistics, LLC			Delaware			100
Southwest Gulf Railroad Company			Texas			95
Spartan Products, LLC			U.S. Virgin Islands			100
Statewide Transport, LLC			Delaware			100
Stone Creek Mira Mesa LLC			California			100
Superior Concrete Materials, Inc.			District of Columbia			100
Superior Ready Mix Concrete, L.P.			California			100
Syar Concrete, LLC			California			100
Syar Industries, LLC			California			100
TCS Materials, LLC			Delaware			100
Terra Bagnata, LLC			California			50
Triangle Rock Products, LLC			Delaware			100
U.S. Concrete, Inc.			Delaware			100
USC Management Co., LLC			Delaware			100
USC Payroll, Inc.			Delaware			100
USC Technologies, Inc.			Delaware			100
VGCM, B.V.			Netherlands			100
Virginia Concrete Company, LLC			Delaware			100
VMC Vehicle Leasing, LLC			Texas			100
Vulcan Aggregates Company, LLC			Delaware			100
Vulcan Asphalt, LLC			Delaware			100
Vulcan Beaches, LLC			Delaware			100
Vulcan Concrete, LLC			Delaware			100
Vulcan Construction Materials, LLC			Delaware			100
Vulcan Gulf Coast Materials, LLC			North Carolina			100
Vulcan International, B.V.			Netherlands			100
Vulcan Lands, Inc.			New Jersey			100
Vulcan Logistics, LLC			Delaware			100
Vulcan Materials Asphalt and Construction, LLC			Delaware			100
Vulica Shipping Company, Limited			Bahamas			100
Wake Stone Corporation			North Carolina			100
WMC IP, Inc.			New Jersey			100
WMC OP, LLC			New Jersey			100
Yardarm, LLC			Delaware			100

			Exhibit 21