| Exhibit 21 | ||
Subsidiaries As Of December 31, 2025 | ||
| 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 | ||||||||||||
![]() | Exhibit 21 - 1 | Form 10-K | ||||||
| State or Other Jurisdiction of Incorporation or Organization | Percentage Owned Directly or Indirectly by Vulcan | |||||||||||||
| 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 | ||||||||||||
| Polaris Materials ULC | British Columbia | 100 | ||||||||||||
| Polla Acquisitions, LLC | Delaware | 100 | ||||||||||||
Procesadora Del Caribe, LTDA (Procasa) | 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 | ||||||||||||
| 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 | ||||||||||||
Form 10-K | Exhibit 21 - 2 | ![]() | ||||||
| State or Other Jurisdiction of Incorporation or Organization | Percentage Owned Directly or Indirectly by Vulcan | |||||||||||||
| 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 - 3 | Form 10-K | ||||||