| Hazleton Shaft South | Anthracite | Pennsylvania | PT Buma Internasional Grup Tbk | 69 2025 |
| Stockton Mine | Anthracite | Pennsylvania | PT Buma Internasional Grup Tbk | 60 2025 |
| Tamaqua Mine | Anthracite | Pennsylvania | Robindale Energy Services Inc | 52 2025 |
| Wadesville P-33 | Anthracite | Pennsylvania | Reading Anthracite Company | 46 2025 |
| Continental Strip | Anthracite | Pennsylvania | Keystone Anthracite Corporation | 40 2025 |
| Logan Surface Mine | Anthracite | Pennsylvania | Blaschak Holding Corp | 37 2025 |
| Little Italy | Anthracite | Pennsylvania | Robindale Energy Services Inc | 36 2025 |
| Ellangowan Stripping | Anthracite | Pennsylvania | Reading Anthracite Company | 35 2025 |
| Buck Run P-8 P-10 | Anthracite | Pennsylvania | Reading Anthracite Company | 34 2025 |
| Primrose Operation | Anthracite | Pennsylvania | Blaschak Holding Corp | 26 2025 |
| Lone Star Quarry & Mill | Cement | Missouri | Buzzi Unicem USA | 200 2025 |
| Mitchell Plant | Cement | Indiana | Heidelberg Materials AG | 172 2025 |
| Selma Plant Quarry & Mill | Cement | Missouri | River Cement Company dba Buzzi Unicem USA | 162 2025 |
| Hannibal Underground | Cement | Missouri | Quikrete Holdings Inc. | 140 2025 |
| Amrize Ada Plant | Cement | Oklahoma | Amrize Ltd | 139 2025 |
| Fairborn Cement Plant | Cement | Ohio | Eagle Materials Inc | 139 2025 |
| Sugar Creek Ug Mine | Cement | Missouri | Eagle Materials Inc | 138 2025 |
| Drake Cement | Cement | Arizona | Unacem Corp S A A | 134 2025 |
| Lone Star Pryor PLT Mill & QY | Cement | Oklahoma | Buzzi Unicem USA | 126 2025 |
| Davenport Plant | Cement | Iowa | Quikrete Holdings Inc. | 120 2025 |
| Bloomfield Plant | Clay | Missouri | Nestle S A | 505 2025 |
| Jasper Creek Mine | Clay | Mississippi | Oil Dri Corporation Of America | 165 2025 |
| BYK USA LLC Plants & Pits | Clay | Texas | Altana Group (Germany) | 156 2025 |
| Ripley Mine and Mill | Clay | Mississippi | Oil Dri Corporation Of America | 112 2025 |
| Taft Production Company & Mines | Clay | California | Oil Dri Corporation Of America | 88 2025 |
| Sheppard | Clay | Georgia | Arcilla Mining & Land, LLC | 84 2025 |
| Active Minerals Kaolin Division | Clay | Georgia | J M Huber Corp | 76 2025 |
| Middleton Operations | Clay | Tennessee | USS Holdings Inc | 74 2025 |
| Livingston Plant #1672 | Clay | Alabama | Arcosa, Inc | 57 2025 |
| LeFevre-Mager Mine | Clay | Illinois | Oil Dri Corporation Of America | 56 2025 |
| North Antelope Rochelle Mine | Coal | Wyoming | Peabody Energy Corporation | 1,148 2025 |
| Marshall County Mine | Coal | West Virginia | ACNR Holdings, Inc | 827 2025 |
| Black Thunder | Coal | Wyoming | Core Natural Resources Inc | 796 2025 |
| Bailey Mine | Coal | Pennsylvania | Core Natural Resources Inc | 762 2025 |
| Cumberland Mine | Coal | Pennsylvania | Iron Senergy Holding LLC | 694 2025 |
| Buchanan Mine #1 | Coal | Virginia | Coronado Coal LLC | 643 2025 |
| River View Mine | Coal | Kentucky | Alliance Resource Partners LP | 642 2025 |
| No 7 Mine | Coal | Alabama | Warrior Met Coal Intermediate Holdco LLC | 622 2025 |
| Oaktown Fuels Mine No. 1 | Coal | Indiana | Hallador Energy Company | 539 2025 |
| Marion County Mine | Coal | West Virginia | ACNR Holdings, Inc | 531 2025 |
| Freeport-McMoRan Morenci Inc. | Copper | Arizona | Freeport-McMoRan Inc | 4,251 2025 |
| Freeport-McMoRan Safford Inc | Copper | Arizona | Freeport-McMoRan Inc | 1,608 2025 |
| Freeport-McMoRan Sierrita Ops. | Copper | Arizona | Freeport-McMoRan Inc | 1,337 2025 |
| Freeport-McMoRan Bagdad Inc | Copper | Arizona | Freeport-McMoRan Inc | 1,188 2025 |
| Bingham Canyon Mine | Copper | Utah | Rio Tinto Group | 1,058 2025 |
| Pinto Valley Mine | Copper | Arizona | Capstone Copper Corp | 962 2025 |
| Chino Mines Co Mine | Copper | New Mexico | Freeport-McMoRan Inc | 831 2025 |
| Robinson Operation | Copper | Nevada | KGHM Polska Miedz S A | 662 2025 |
| Ray Mine | Copper | Arizona | Grupo Mexico S A B de C V | 597 2025 |
| Mission/San Xavier/Eisenhower | Copper | Arizona | Grupo Mexico S A B de C V | 585 2025 |
| Specialty Granules LLC-Annapolis Quarry | Crushed granite | Missouri | Specialty Granules LLC | 196 2025 |
| 3M Little Rock Industrial Mineral Prod | Crushed granite | Arkansas | Minnesota Mining & Manufacturing Company | 169 2025 |
| Kingston Quarry | Crushed granite | New Jersey | Trap Rock Industries Inc; CRH PLC | 147 2025 |
| Granite Mountain Quarry #1 | Crushed granite | Arkansas | McGeorge Contracting Company Inc | 110 2025 |
| Postell Quarry | Crushed granite | Georgia | Vulcan Materials Company | 100 2025 |
| A R Wilson Quarry | Crushed granite | California | Granite Rock Co | 99 2025 |
| Mount Hope Quarry | Crushed granite | New Jersey | CRH plc | 99 2025 |
| 3M - Greystone Plant | Crushed granite | Wisconsin | Minnesota Mining & Manufacturing Company | 96 2025 |
| Rockingham Quarry | Crushed granite | North Carolina | Vulcan Materials Company | 86 2025 |
| 3M - Downtown Plant | Crushed granite | Wisconsin | Minnesota Mining & Manufacturing Company | 84 2025 |
| White Rock Quarries | Crushed limestone | Florida | Vecellio Group Inc | 221 2025 |
| Pennsuco Quarry | Crushed limestone | Florida | Titan Cement International S A | 220 2025 |
| Underground Black River Operation | Crushed limestone | Kentucky | Carmeuse Holding SA | 202 2025 |
| Tower Rock St Co St Genevieve Fa | Crushed limestone | Missouri | Tower Rock Stone Company | 195 2025 |
| Hunter Quarry | Crushed limestone | Texas | Colorado Materials Ltd | 168 2025 |
| Balcones Quarry | Crushed limestone | Texas | Cemex S A | 167 2025 |
| O-N Minerals - Calcite Operation | Crushed limestone | Michigan | Carmeuse Holding SA | 152 2025 |
| Grand Rivers Quarry | Crushed limestone | Kentucky | Vulcan Materials Company | 149 2025 |
| FEC Quarry | Crushed limestone | Florida | Cemex S A | 143 2025 |
| ADAMS | Crushed limestone | Massachusetts | Minerals Technologies Inc | 138 2025 |
| Imerys Lompoc Plant | Diatomite | California | Imerys S A | 203 2025 |
| Colado Plant | Diatomite | Nevada | USS Holdings Inc | 103 2025 |
| Dicalite Minerals | Diatomite | California | Dicalite Management Group LLC | 70 2025 |
| Clark Operations | Diatomite | Nevada | USS Holdings Inc | 69 2025 |
| Celatom Mine | Diatomite | Oregon | USS Holdings Inc | 47 2025 |
| Fernley Operations | Diatomite | Nevada | USS Holdings Inc | 37 2025 |
| Colado Mine | Diatomite | Nevada | USS Holdings Inc | 34 2025 |
| Grefco Mine & Mill | Diatomite | Nevada | Dicalite Management Group LLC | 20 2025 |
| Fernley Plant | Diatomite | Nevada | Imerys S A | 17 2025 |
| Quincy WA Mine | Diatomite | Washington | Imerys S A | 12 2025 |
| Chilton Quarry | Dimension limestone | Wisconsin | Buechel Stone Corp | 110 2025 |
| Eden Facility | Dimension limestone | Wisconsin | EVS Master Holdco LLC | 107 2025 |
| Earthworks Site #1 | Dimension limestone | Missouri | Earthworks Inc | 94 2025 |
| Empire Quarry | Dimension limestone | Indiana | Polycor Inc | 78 2025 |
| Morgan Pit | Dimension limestone | Texas | Materials Marketing Ltd | 61 2025 |
| Independent Limestone Company LLC | Dimension limestone | Indiana | Independent Limestone Company, LLC | 53 2025 |
| Bernardo's Pit #2 | Dimension limestone | Texas | — | 52 2025 |
| Fond du Lac Stone, Inc. | Dimension limestone | Wisconsin | Fond du LAC Stone Inc | 50 2025 |
| Aguado Stone Inc. -Georgetown | Dimension limestone | Texas | Aguado Stone Inc. | 49 2025 |
| Gene Swenson Quarries | Dimension limestone | Texas | Mezger Enterprises Ltd | 37 2025 |
| Eufaula Plant | Fire clay | Alabama | Wilks Brothers LLC | 59 2025 |
| Cherokee Mine | Fire clay | Georgia | CBEL Inc | 15 2025 |
| Mid MO Mining LLC | Fire clay | Missouri | Mid Mo Mining LLC | 10 2025 |
| 27-Henry Brick-2 | Fire clay | Alabama | Henry Brick Company Inc | 9 2025 |
| Malvern Mining | Fire clay | Arkansas | Berkshire Hathaway | 9 2025 |
| Narvon Minerals | Fire clay | Pennsylvania | New Enterprise Stone & Lime Co., Inc. | 8 2025 |
| Wadesboro Mine | Fire clay | North Carolina | Roeben Company | 8 2025 |
| GMcB Lincoln Pits & Mill | Fire clay | California | Pacific Coast Building Products Inc | 7 2025 |
| Arcosa Erwinville Plant #1671 | Fire clay | Louisiana | Arcosa, Inc | 6 2025 |
| Endicott Clay Pit Mine | Fire clay | Nebraska | Endicott Clay Products Company | 5 2025 |
| Garnet USA LLC | Gemstones | Montana | GMA Garnet Group; Idaho State Gold Company (ISGC) | 55 2025 |
| Emerald Creek Garnet Ltd | Gemstones | Idaho | Opta Minerals Co | 13 2022 |
| Yogo Sapphire Mine | Gemstones | Montana | Yogold U.S.A. Corporation | 12 2024 |
| Bonanza Opal Mines, Inc. | Gemstones | Nevada | Bonanza Opal Mines, Inc. | 8 2025 |
| Tourmaline King Mine | Gemstones | California | San Diego Mining Corp | 6 2024 |
| Spectrum Mine | Gemstones | Oregon | — | 5 2025 |
| Crooker Mine | Gemstones | Maine | Coromoto Minerals LLC | 4 2025 |
| Double Eagle Mining | Gemstones | Oregon | Double Eagle Mining LLC | 4 2025 |
| Dust Devil Mining Company | Gemstones | Oregon | Dust Devil Mining Company | 4 2025 |
| Mount Mica | Gemstones | Maine | Coromoto Minerals LLC | 4 2025 |
| Cortez District | Gold | Nevada | Barrick Nevada Holding LLC; Newmont USA Limited | 873 2025 |
| Haile Gold Mine | Gold | South Carolina | OceanaGold Corporation | 855 2025 |
| Pogo Mine | Gold | Alaska | Northern Star Resources Ltd | 782 2025 |
| Fort Knox Mine | Gold | Alaska | Kinross Gold Corporation | 685 2025 |
| Smoky Valley Common Operations | Gold | Nevada | Kinross Gold Corporation | 664 2025 |
| Leeville | Gold | Nevada | Barrick Nevada Holding LLC; Newmont USA Limited | 646 2025 |
| Meikle Mine | Gold | Nevada | Barrick Nevada Holding LLC; Newmont USA Limited | 608 2025 |
| Arturo | Gold | Nevada | Barrick Nevada Holding LLC; Newmont USA Limited | 537 2025 |
| Turquoise Ridge | Gold | Nevada | Barrick Nevada Holding LLC; Newmont USA Limited | 533 2025 |
| Bald Mountain Mine | Gold | Nevada | Kinross Gold Corporation | 501 2025 |
| Sperry Mine | Gypsum | Iowa | USG Corporation | 70 2025 |
| Southard Mine And Plant | Gypsum | Oklahoma | USG Corporation | 66 2025 |
| CertainTeed Gypsum Manufacturing Inc | Gypsum | Arkansas | Saint-Gobain | 64 2025 |
| Empire Mine | Gypsum | Nevada | Gatehouse Partners LLC | 62 2025 |
| Shoals Mine | Gypsum | Indiana | USG Corporation | 58 2025 |
| Sweetwater Quarry | Gypsum | Texas | Koch Industries Inc | 57 2025 |
| Blue Diamond Hill | Gypsum | Nevada | James M Rhodes Dynasty Trust I; James M Rhodes Dynasty Trust II | 50 2025 |
| Sweetwater Quarry | Gypsum | Texas | USG Corporation | 42 2025 |
| Alabaster Plant | Gypsum | Michigan | USG Corporation | 39 2025 |
| Fort Dodge Quarry | Gypsum | Iowa | USG Corporation | 35 2025 |
| Wedron Plant | Industrial sand | Illinois | Iron Oak Energy Solutions LLC | 175 2025 |
| Smart Sand, Inc. | Industrial sand | Wisconsin | Clearlake Capital Partners | 165 2025 |
| Pattison Company, LLC | Industrial sand | Iowa | Pattison Company, LLC | 150 2025 |
| Keenesburg #2 | Industrial sand | Colorado | Colorado Sand Company | 132 2025 |
| Atascosa | Industrial sand | Texas | Iron Oak Energy Solutions LLC | 126 2025 |
| Silica Services Mining, LLC | Industrial sand | Arizona | Silica Services Holdings, LLC | 111 2025 |
| Big Oak Plant | Industrial sand | Texas | Iron Oak Energy Solutions LLC | 99 2025 |
| Kermit 115 | Industrial sand | Texas | Iron Oak Energy Solutions LLC | 80 2025 |
| Crane County Plant | Industrial sand | Texas | USS Holdings Inc | 77 2025 |
| Mission Mine | Industrial sand | Georgia | The Chemours Company | 73 2025 |
| Minntac Mine | Iron ore | Minnesota | USX Corp (United States Steel Corp) | 1,054 2025 |
| Tilden Mine | Iron ore | Michigan | Cleveland-Cliffs Inc | 790 2025 |
| Keetac | Iron ore | Minnesota | USX Corp (United States Steel Corp) | 472 2025 |
| Hibbing Taconite Company | Iron ore | Minnesota | Cleveland-Cliffs Inc | 444 2025 |
| Minorca Mine | Iron ore | Minnesota | Cleveland-Cliffs Inc | 258 2025 |
| United - Mine | Iron ore | Minnesota | Cleveland-Cliffs Inc | 200 2025 |
| Northshore Mining Company | Iron ore | Minnesota | Cleveland-Cliffs Inc | 186 2025 |
| Mesabi Metallics Company LLC | Iron ore | Minnesota | Essar Minerals Canada Limited | 123 2025 |
| Comstock / Mountain Lion | Iron ore | Utah | Utah Iron, LLC | 45 2025 |
| Dudley Red #1 | Iron ore | Alabama | Alabama Pigments Co LLC | 40 2025 |
| Red Dog Operations | Lead | Alaska | Teck Resources Limited | 810 2025 |
| Fletcher Mine and Mill | Lead | Missouri | Renco Group Inc | 162 2025 |
| Hermosa Mine | Lead | Arizona | South32 Hermosa Inc. | 161 2025 |
| Sweetwater Mine/Mill | Lead | Missouri | Renco Group Inc | 161 2025 |
| Empire State Mines | Lead | New York | Augusta Group Company | 160 2025 |
| Brushy Creek Mine/Mill | Lead | Missouri | Renco Group Inc | 129 2025 |
| Viburnum #35 (Casteel Mine) | Lead | Missouri | Renco Group Inc | 106 2025 |
| Buick Mine/Mill | Lead | Missouri | Renco Group Inc | 79 2025 |
| Bunker Hill Mine | Lead | Idaho | Bunker Hill Mining Corp | 31 2025 |
| Viburnum #29 Mine | Lead | Missouri | Renco Group Inc | 14 2025 |
| Freedom Mine | Lignite | North Dakota | NACCO Industries Inc | 499 2025 |
| Falkirk Mine | Lignite | North Dakota | NACCO Industries Inc | 459 2025 |
| Kosse Strip | Lignite | Texas | Vistra Energy | 367 2025 |
| Red Hills Mine | Lignite | Mississippi | NACCO Industries Inc | 229 2025 |
| San Miguel Lignite Mine | Lignite | Texas | North American Construction Group, LTD | 204 2025 |
| Center Mine | Lignite | North Dakota | ALLETE, Inc. | 174 2025 |
| Coyote Creek Mine | Lignite | North Dakota | NACCO Industries Inc | 116 2025 |
| Calvert Mine | Lignite | Texas | Itochu International Inc; I Power Investment Inc | 103 2025 |
| South Hallsville No 1 Mine | Lignite | Texas | NACCO Industries Inc | 65 2025 |
| Jewett Mine | Lignite | Texas | NRG Energy Inc | 51 2025 |
| MLC - Ste. Genevieve | Lime | Missouri | HBM Holdings Company | 618 2025 |
| Martin Marietta - Woodville Lime & Stone | Lime | Ohio | Martin Marietta Materials Inc | 190 2025 |
| Graymont (PA) Inc. Pleasant Gap | Lime | Pennsylvania | Graymont Ltd | 153 2025 |
| Verpol Plant | Lime | Vermont | Omya Industries Inc | 131 2025 |
| Longview Operation | Lime | Alabama | Carmeuse Holding SA | 122 2025 |
| Apex Quarry and Plant | Lime | Nevada | Martin Marietta Materials Inc | 111 2025 |
| O'Neal Quarry & Mill | Lime | Alabama | Martin Marietta Materials Inc | 106 2025 |
| Winchester Plant | Lime | Virginia | Carmeuse Holding SA | 103 2025 |
| Rapid City Quarry & Mill | Lime | South Dakota | Pete Lien & Sons Inc | 96 2025 |
| Cricket Mountain Plant & Quarry | Lime | Utah | Graymont Ltd | 88 2025 |
| St Cloud Surface | Other industrial minerals | New Mexico | Equalizer Inc | 40 2025 |
| Quincy WA Plant | Other industrial minerals | Washington | Imerys S A | 39 2025 |
| Lind Marine Incorporated | Other industrial minerals | California | Lind Marine Incorporated | 23 2025 |
| Mesa Verde Humates, LLC | Other industrial minerals | New Mexico | Huma Inc | 23 2025 |
| Sidco Minerals Siderite Mine | Other industrial minerals | Texas | Sidco Minerals Inc | 18 2025 |
| Four Mile Complex | Other industrial minerals | Utah | Azomite Mineral Products Inc | 16 2025 |
| Black Spring Mine | Other industrial minerals | New Mexico | Humic Growth Solutions LLC dba HGS BioScience | 13 2025 |
| No. 4 Mine | Other industrial minerals | New York | RSP Minerals | 10 2025 |
| Pro-Agr | Other industrial minerals | Indiana | — | 7 2025 |
| M&M Quarry Site | Other industrial minerals | Virginia | Glass Machinery & Excavation, Inc. | 5 2025 |
| Dicaperl Minerals LLC | Perlite | New Mexico | Dicalite Management Holdings, LLC | 43 2025 |
| No Agua Mine & Mill | Perlite | New Mexico | Imerys S A | 28 2025 |
| Fish Springs Quarry | Perlite | California | American Perlite Company | 8 2025 |
| Superior Pit & Mill | Perlite | Arizona | Imerys S A | 7 2025 |
| Tucker Hill Quarry | Perlite | Oregon | Imerys S A | 5 2025 |
| El Grande | Perlite | New Mexico | Dicalite Management Holdings, LLC | 3 2023 |
| Faust Perlite | Perlite | Utah | Broken Arrow Inc | 3 2025 |
| Pop-Corn | Perlite | Nevada | USS Holdings Inc | 2 2025 |
| Tenacity Perlite | Perlite | Nevada | Wilkin Mining & Trucking Inc | 2 2025 |
| North Pearl Queen | Perlite | Utah | Silbrico Corporation | — |
| Four Corners | Phosphate | Florida | Mosaic Company | 471 2025 |
| Lee Creek Mine | Phosphate | North Carolina | Nutrien LTD | 349 2025 |
| Smoky Canyon Mine | Phosphate | Idaho | J R Simplot Company | 227 2025 |
| Swift Creek Mine | Phosphate | Florida | Nutrien LTD | 223 2025 |
| South Fort Meade Mine | Phosphate | Florida | Mosaic Company | 216 2025 |
| Wingate Creek Mine | Phosphate | Florida | Mosaic Company | 92 2025 |
| Recovery One | Phosphate | Florida | MD1 LLC | 47 2024 |
| South Pasture Mine | Phosphate | Florida | Mosaic Company | 37 2025 |
| Husky 1, North Dry Ridge | Phosphate | Idaho | CL Fertilizers Holding LLC | 20 2025 |
| BFB & Ballard Mines | Phosphate | Idaho | Bayer AG | 16 2025 |
| Rocky Mountain Mine | Pumice | New Mexico | Cr Minerals Company LLC | 21 2025 |
| Glass Mountain Pumice | Pumice | California | Quikrete Holdings Inc. | 7 2025 |
| South Chemult Pumice Resources LLC | Pumice | Oregon | South Chemult Pumice Resources LLC. | 6 2025 |
| Cind R Lite Cinder Cone Mine | Pumice | Nevada | Allied Building Materials Inc / Cind R Lite Block | 5 2025 |
| Makayla | Pumice | California | Global Pumice, LLC | 5 2025 |
| Wrights Creek Mine | Pumice | Idaho | Hess Pumice Products Inc | 5 2025 |
| Gooding Site | Pumice | Idaho | E & S Mining and Trucking CO.Inc | 4 2025 |
| Plant #1-Roll Crusher/Powerscrn | Pumice | Oregon | — | 4 2025 |
| Echo Mountain | Pumice | California | CRH plc | 3 2023 |
| Frank Sam Mine (U S Pumice Mine) | Pumice | California | United States Pumice Company | 2 2021 |
| Pacific Plant | Quartz | Missouri | USS Holdings Inc | 53 2025 |
| Malvern Minerals Sandstone Quarry | Quartz | Arkansas | Malvern Minerals Company | 17 2025 |
| Corson Sand Plant / Quarry | Quartz | South Dakota | Knife River Corporation | 15 2025 |
| Chesapeake Minerals | Quartz | Maryland | York Building Products Co Inc | 14 2025 |
| Lewisburg | Quartz | Tennessee | Smith Constructors, Inc. | 5 2025 |
| Rockvale | Quartz | Tennessee | Smith Constructors, Inc. | 2 2025 |
| Track Jaw Crusher PS330 | Quartz | Colorado | Crossfire Aggregate Services, LLC | 1 2025 |
| Chalk Mountain Mine | Quartz | North Carolina | Imerys S A; Norsk Mineral AS | — |
| HWY 8 Hills | Quartz | Tennessee | — | — |
| Pine Mountain Mine | Quartz | North Carolina | Imerys S A; Norsk Mineral AS | — |
| Schoolhouse Quartz Plant | Quartz crystal | North Carolina | S C R-Sibelco Nv | 140 2025 |
| Crystal Plant | Quartz crystal | North Carolina | S C R-Sibelco Nv | 92 2025 |
| Marlboro Mine | Quartz crystal | South Carolina | Ferroglobe PLC | 15 2025 |
| Hampton Stone | Quartz crystal | Tennessee | Tennessee Aggregates LLC | 7 2025 |
| Blocker Lead #4 | Quartz crystal | Arkansas | Ron Coleman Mining Inc | 5 2025 |
| Phantom | Quartz crystal | Arkansas | Wegner Enterprises Inc | 3 2025 |
| Avant Mining | Quartz crystal | Arkansas | Avant Mining LLC | 2 2022 |
| Collier Creek | Quartz crystal | Arkansas | Crystal City, Inc | 2 2025 |
| Fisher Mountain | Quartz crystal | Arkansas | Avant Mining LLC | 2 2025 |
| Pine Ridge Crystals | Quartz crystal | Arkansas | Pine Ridge Crystals LLC | 2 2025 |
| King William | Refractory clay | Virginia | Nestle S A | 63 2025 |
| BPM Colony Mine | Refractory clay | Wyoming | Halliburton Company | 60 2025 |
| Amargosa Quarry and Plant | Refractory clay | Nevada | Martin Marietta Materials Inc | 44 2025 |
| Sugarcreek Operations | Refractory clay | Ohio | The Belden Brick Company | 38 2025 |
| Hickory Clay Mill | Refractory clay | Kentucky | Old Hickory Clay Company | 35 2025 |
| Wilco Plant | Refractory clay | Alabama | Little River Materials | 33 2025 |
| Cherokee Quarry | Refractory clay | Alabama | SRM Materials, LLC | 28 2025 |
| Arcosa Frazier Park Plant# 1603 | Refractory clay | California | Arcosa, Inc | 27 2025 |
| Active Minerals Attapulgite Mine | Refractory clay | Georgia | J M Huber Corp | 12 2025 |
| Acton Clay Quarries | Refractory clay | California | North Star Minerals Inc | 10 2025 |
| Hampton Corners Mine and Retsof Bagging | Salt | New York | American Rock Salt Company LLC | 337 2025 |
| Cote Blanche Mine | Salt | Louisiana | Compass Minerals International, Inc. | 245 2025 |
| Cargill Deicing Solutions-Cleveland Mn | Salt | Ohio | Cargill Inc | 209 2025 |
| Weeks Island Mine and Mill | Salt | Louisiana | SCIH Salt Holdings, Inc | 209 2025 |
| Grand Saline Operations | Salt | Texas | SCIH Salt Holdings, Inc | 176 2025 |
| Cayuga Mine | Salt | New York | Cargill Inc | 157 2025 |
| Morton Salt Fairport Mine | Salt | Ohio | SCIH Salt Holdings, Inc | 107 2025 |
| Detroit Salt Mine | Salt | Michigan | SCIH Salt Holdings, Inc | 100 2025 |
| Redmond Minerals Salt Mines | Salt | Utah | Redmond Minerals, Inc. | 93 2025 |
| Avery Island | Salt | Louisiana | Cargill Inc | 88 2022 |
| Cyber Square | Sand | Louisiana | Blount Holdings Inc; Forward Air Control LLC | 94 2025 |
| Oakwood | Sand | Oklahoma | Iron Oak Energy Solutions LLC | 94 2025 |
| Pontotoc Sands | Sand | Oklahoma | Pontotoc Sands Company LLC | 82 2025 |
| Tree Dog | Sand | Texas | Independence TX, LLC | 75 2025 |
| Silver Creek Mat Inc | Sand | Texas | Silver Creek Materials Inc | 71 2025 |
| Sunny Point | Sand | Louisiana | Pro Frac Holding Corp | 68 2025 |
| River Ridge | Sand | Arkansas | Pro Frac Holding Corp | 67 2025 |
| Highway 53 | Sand | Wisconsin | Sand Products, WI, LLC | 61 2025 |
| Carrizo | Sand | Texas | Iron Oak Energy Solutions LLC | 48 2025 |
| Alpine Silica-Kermit | Sand | Texas | Pro Frac Holding Corp | 36 2025 |
| Jackson Sand | Sand and gravel | Tennessee | Jackson Sand | 738 2025 |
| Atlas Sand Kermit North Plant | Sand and gravel | Texas | Atlas Energy Solutions Inc | 146 2025 |
| Atlas Sand Kermit South Plant | Sand and gravel | Texas | Atlas Energy Solutions Inc | 112 2025 |
| Atlas 874/115 Mine | Sand and gravel | Texas | Atlas Energy Solutions Inc | 110 2025 |
| Lamesa Plant | Sand and gravel | Texas | USS Holdings Inc | 109 2025 |
| USMC Ione Plant | Sand and gravel | California | US Mine Corp | 109 2025 |
| Specialty Granules (Ione) LLC | Sand and gravel | California | Specialty Granules LLC | 91 2025 |
| Wildish Sand & Gravel Co Plant #2 | Sand and gravel | Oregon | Wildish Land Company | 90 2025 |
| Santan Pit | Sand and gravel | Arizona | Gila River Sand & Gravel Corporation | 89 2025 |
| Briggs Plant | Sand and gravel | Texas | Vulcan Materials Company | 88 2025 |
| Arcosa Streetman Plant # 1605 | Shale | Texas | Arcosa, Inc | 63 2025 |
| Mt Marion Pit and Mill | Shale | New York | Northeast Solite Corp | 34 2025 |
| Arcosa Brooklyn Plant #1683 | Shale | Indiana | Arcosa, Inc | 33 2025 |
| Arcosa Brooks Plant #1682 | Shale | Kentucky | Arcosa, Inc | 33 2025 |
| Amrize Utelite Site | Shale | Utah | Amrize Ltd | 28 2025 |
| Buildex | Shale | Missouri | Martin Marietta Materials Inc | 25 2025 |
| Rockland Mine | Shale | Utah | Miracle Rock Mining | 21 2025 |
| Carolina Stalite Company -Aquadale Mill | Shale | North Carolina | Carolina Stalite Company LP | 19 2025 |
| Masslite Division | Shale | Massachusetts | Lorusso Materials Corp | 13 2025 |
| Grosso Materials Inc. | Shale | New York | Grosso Materials, Inc. | 9 2025 |
| Chatsworth Plant | Shell | Georgia | Cimbar Resources Inc | 82 2025 |
| Bell Mine | Shell | Florida | Earth Tech Enterprises | 31 2025 |
| Bermont Excavating, LLC. | Shell | Florida | United Lely Investments Inc | 23 2025 |
| Bermont Materials Alico | Shell | Florida | United Lely Investments Inc | 23 2025 |
| 1412 Canal Point | Shell | Florida | Arcosa, Inc | 21 2025 |
| Brisbane Pit | Shell | Florida | Stavola Aggregate Supply | 19 2025 |
| Wright Farms Pit | Shell | Florida | Circle M Enterprises, LLC | 19 2025 |
| 4M-31 Mine | Shell | Florida | 4M Materials, Inc. | 16 2025 |
| Florida Shell & Fill Company LLC | Shell | Florida | — | 12 2025 |
| CJC Shell Magnolia Site | Shell | Florida | CJC Shell, LLC | 11 2025 |
| Ottawa Plant | Silica | Illinois | USS Holdings Inc | 143 2025 |
| Berkeley Plant | Silica | West Virginia | USS Holdings Inc | 61 2025 |
| Best Sand - Chardon | Silica | Ohio | Covia Holdings LLC | 48 2025 |
| Marston Plant | Silica | North Carolina | Covia Holdings LLC | 45 2025 |
| Lane Mtn Silica Quarry & Mill | Silica | Washington | Hemphill Brothers Inc | 44 2025 |
| Thompson Mine | Silica | Ohio | Covia Holdings LLC | 39 2025 |
| Poteet Plant | Silica | Texas | Carousel Energy Services | 28 2025 |
| Hinton Plant | Silica | Oklahoma | Warrior Minerals, LLC | 26 2025 |
| RHEX Vernal Mine | Silica | Utah | Ramsey Hill Exploration L.L.C. | 24 2025 |
| DTS Sands - Beaver Mine | Silica | Ohio | DTS Sands LLC | 10 2025 |
| Hecla Greens Creek Mine | Silver | Alaska | Hecla Mining Company | 524 2025 |
| Rochester Mine | Silver | Nevada | Coeur Mining, Inc. | 465 2025 |
| Lucky Friday | Silver | Idaho | Hecla Mining Company | 432 2025 |
| Galena | Silver | Idaho | Americas Gold and Silver Corporation | 262 2025 |
| Sunshine Mine | Silver | Idaho | The Electrum Group LLC | 68 2025 |
| Bayhorse | Silver | Oregon | Bayhorse Silver Inc | 10 2025 |
| Revenue Mine | Silver | Colorado | Thorin Resources | 9 2025 |
| Globe Mill | Silver | Arizona | Silver Bullet Mines Corp | 8 2025 |
| Buckeye Mine | Silver | Arizona | Silver Bullet Mines Corp | 6 2024 |
| Crescent Mine | Silver | Idaho | Americas Gold and Silver Corporation | 6 2022 |
| Lucerne Mill | Bentonite | Wyoming | Wyo-Ben, Inc | 30 2025 |
| Yellowtail Mine | Bentonite | Wyoming | Minerals Technologies Inc | 14 2025 |
| Big Horn Basin Mines | Bentonite | Wyoming | Wyo-Ben, Inc | 12 2025 |
| Tensleep Mine | Bentonite | Wyoming | BHB Limited Partnership; A&M Products | 9 2025 |
| Star #1-2-3 | Bentonite | Oregon | Central Oregon Bentonite Company | 4 2025 |
| Thornton Plant | Bentonite | Wyoming | BHB Limited Partnership; A&M Products | 4 2025 |
| BPM 76 Creek Mine | Bentonite | Wyoming | Halliburton Company | 1 2025 |
| Fowlkes Mine | Bentonite | Mississippi | USS Holdings Inc | 1 2025 |
| Cheto Mine 01 | Bentonite | Arizona | Clariant AG | — |
| Wrens Plant | Kaolin | Georgia | IMin Partners | 135 2025 |
| Deepstep Road Plant | Kaolin | Georgia | Thiele Kaolin Company | 134 2025 |
| Edgar Minerals, Inc. | Kaolin | Florida | Edgar Minerals, Inc. | 40 2025 |
| Hephzibah Plant | Kaolin | Georgia | Covia Holdings LLC | 33 2025 |
| National Kaolin Products | Kaolin | South Carolina | Standard Industries Holdings Inc | 22 2025 |
| McIntyre Plant | Kaolin | Georgia | Covia Holdings LLC | 20 2025 |
| HOBBS Clay Mine | Kaolin | Georgia | Thiele Kaolin Company | 19 2025 |
| Crenshaw Mine and Plant | Kaolin | Mississippi | Imerys S A | 18 2025 |
| Sandersville Land and Mines | Kaolin | Georgia | Imerys S A | 14 2025 |
| Millersville Plant | Crushed sandstone | Missouri | Capital Sand Proppants, L.L.C. | 115 2025 |
| Sawyer Quarry | Crushed sandstone | Oklahoma | Summit Materials LLC | 111 2025 |
| Little Six Corp. dba Short Mtn Silica | Crushed sandstone | Tennessee | Short Mountain Silica Company | 65 2025 |
| Dell Rapids East Quarry | Crushed sandstone | South Dakota | L G Everist Inc | 59 2025 |
| Martin Stone Quarries Inc | Crushed sandstone | Pennsylvania | Martin Stone Quarries, Inc. | 59 2025 |
| Oregon Plant | Crushed sandstone | Illinois | Covia Holdings LLC | 50 2025 |
| Guion Plant | Crushed sandstone | Arkansas | Covia Holdings LLC | 41 2025 |
| River Mountain Quarry | Crushed sandstone | Arkansas | Pine Bluff Sand & Gravel Company | 20 2025 |
| Barretts Mill | Talc | Montana | Riverspan Partners LP | 72 2025 |
| Cimbar-MV | Talc | Indiana | Cimbar Performance Minerals | 40 2025 |
| Yellowstone Mine | Talc | Montana | Magris Performance Materials Inc | 38 2025 |
| Ludlow Mill | Talc | Vermont | Magris Performance Materials Inc | 30 2025 |
| Houston Mill | Talc | Texas | Magris Performance Materials Inc | 22 2025 |
| Regal Mine | Talc | Montana | Riverspan Partners LP | 12 2025 |
| TP Claims 1 & 2 /Rosa Blanca | Talc | Texas | Mohawk Industries Inc | 12 2025 |
| Treasure Mine | Talc | Montana | Riverspan Partners LP | 2 2025 |
| La Sal Complex | Uranium | Utah | Energy Fuels Inc | 42 2025 |
| Pinyon Plain Mine | Uranium | Arizona | Energy Fuels Inc | 35 2025 |
| Tony M | Uranium | Utah | IsoEnergy Ltd | 16 2025 |
| Sunday Mine | Uranium | Colorado | Pinon Ridge Mining LLC | 9 2025 |
| Whirlwind Mine | Uranium | Colorado | Energy Fuels Inc | 5 2025 |
| Energy Queen | Uranium | Utah | Energy Fuels Inc | — |
| Sahara Mine | Uranium | Utah | Energy Fuels Nuclear Inc | — |
| Velvet Mine | Uranium | Utah | Anfield Energy Inc | — |
| Maricopa Plant | Crushed stone | California | Nestle S A | 129 2025 |
| Clinton Point Quarry & Mill | Crushed stone | New York | CRH plc | 117 2025 |
| 3M Corona Plant | Crushed stone | California | Minnesota Mining & Manufacturing Company | 99 2025 |
| Kermit Sand | Crushed stone | Texas | Iron Oak Energy Solutions LLC | 62 2025 |
| Stevens Creek Quarry | Crushed stone | California | Stevens Creek Quarry Inc | 51 2025 |
| Luck Stone Atlanta Stephens Plant | Crushed stone | Georgia | Stephens Industries, LLC | 50 2025 |
| Lake Herman Quarry | Crushed stone | California | Vulcan Materials Company | 44 2025 |
| Charmian | Crushed traprock | Pennsylvania | Specialty Granules LLC | 169 2025 |
| Kremlin Plant | Crushed traprock | Wisconsin | Specialty Granules LLC | 119 2025 |
| Havre de Grace Quarry | Crushed traprock | Maryland | Vulcan Materials Company | 97 2025 |
| Kapaa Quarry And Mill | Crushed traprock | Hawaii | Pohaku Paa LLC | 76 2025 |
| North Branford Quarry | Crushed traprock | Connecticut | CRH plc | 67 2025 |
| Chantilly Crushed Stone Incorporated | Crushed traprock | Virginia | Chantilly Crushed Stone Inc | 65 2025 |
| New Britain Quarry | Crushed traprock | Connecticut | CRH plc | 56 2025 |
| Wiseman Sullins/Chalk | Feldspar | North Carolina | Imerys S A; Norsk Mineral AS | 9 2025 |
| Hawkins Mine | Feldspar | North Carolina | S C R-Sibelco Nv | 7 2025 |
| Pete Lawson/Beaver Creek Mine | Feldspar | North Carolina | Imerys S A; Norsk Mineral AS | 3 2025 |
| Pink Monster Mine | Feldspar | South Dakota | Berg Family Investments, LLC; BDG, LLC | 3 2023 |
| Buna Mine | Feldspar | North Carolina | S C R-Sibelco Nv | 1 2025 |
| Duncan Tailings Facility | Feldspar | North Carolina | Imerys S A; Norsk Mineral AS | 1 2025 |
| The Franklin Mine | Feldspar | Oregon | Randy J Deones and Gloria E Deones Revocable Trust | — |
| International Minerals Carlsbad, Inc. | Potash | New Mexico | International Minerals Carlsbad LLC | 331 2025 |
| Intrepid Potash East | Potash | New Mexico | Intrepid Potash Inc | 184 2025 |
| Intrepid Potash West | Potash | New Mexico | Intrepid Potash Inc | 31 2025 |
| Brie Mine | Potash | New Mexico | Harvest Holdings II LLC | 8 2025 |
| Heart of Nature | Potash | Nevada | American Bio-Mineral Holdings, Inc | 3 2025 |
| Rulco | Potash | Nevada | — | 2 2025 |
| RAH Genesis | Potash | Nevada | Regenerative Minerals | — |
| Immel Mine | Zinc | Tennessee | Korea Zinc Co Ltd | 161 2025 |
| Young Mine | Zinc | Tennessee | Korea Zinc Co Ltd | 160 2025 |
| Coy Mine | Zinc | Tennessee | Korea Zinc Co Ltd | 130 2025 |
| Cumberland Mine | Zinc | Tennessee | Nyrstar NV | 112 2021 |
| Middle Tennessee Mine | Zinc | Tennessee | Korea Zinc Co Ltd | 22 2025 |
| Pend Oreille Mine | Zinc | Washington | Teck Resources Limited | 13 2025 |
| Blue Moon Underground Mine | Zinc | California | Small Mine Development | 12 2025 |
| New Riverside Ochre Company Incorporated | Barite | Georgia | New Riverside Ochre Company Incorporated | 25 2025 |
| Greystone Mine | Barite | Nevada | Schlumberger Ltd | 18 2025 |
| Marietta Plant | Barite | Ohio | Cimbar Resources Inc | 8 2025 |
| Rossi Jig Plant | Barite | Nevada | Halliburton Company | 5 2025 |
| Rossi Crusher | Barite | Nevada | — | 2 2025 |
| Dry Creek Mill Site | Barite | Nevada | National Oilwell Varco Inc | 1 2021 |
| Cobra Stone Quarry | Dimension stone | Texas | Cobra Stone Inc | 82 2025 |
| County Road B Quarry | Dimension stone | Wisconsin | Rademann Stone & Landscape Company, Inc. | 71 2025 |
| Salado USA | Dimension stone | Texas | Third Brick LLC | 57 2025 |
| Gordon Stone Company | Dimension stone | Texas | Omnia Holding Company LLC | 55 2025 |
| Rock Solid Stone Quarry | Dimension stone | Texas | Hill Country Quarry Investments, LLC | 52 2025 |
| Aguado Stone Inc. - Lueders | Dimension stone | Texas | Aguado Stone Inc. | 51 2025 |
| Hartwell Mine | Mica | Georgia | DIC Corporation | 41 2025 |
| Moss Mill & Mines | Mica | North Carolina | Imerys S A | 15 2025 |
| Battleground Mill | Mica | North Carolina | Imerys S A | 4 2025 |
| Sericite Mine | Mica | South Carolina | Taylor Clay Products | 2 2025 |
| Wissahickon Stone Quarry | Mica | Pennsylvania | Wissahickon Stone Quarry, LLC | 2 2024 |
| Ruby Mountain | Other metals | New York | Barton Mines Corporation | 31 2025 |
| Chert rock quarry | Other metals | Tennessee | — | 5 2025 |
| Darling Mine | Other metals | Arizona | CRH plc | 4 2025 |
| Lawyer Borrow Pit | Other metals | California | — | 1 2022 |
| Elizabeth Mine | Other metals | Montana | ABK Holdings Corporation | — |
| WE Soda @ Westvaco | Trona | Wyoming | WE Soda US LLC | 815 2025 |
| Tata Chemicals Mine | Trona | Wyoming | Tata Chemicals Ltd | 553 2025 |
| American Soda LLC | Trona | Wyoming | Solvay S A | 479 2025 |
| Big Island Mine & Refinery | Trona | Wyoming | Natural Resource Partners LP; Ciner Resources LP | 449 2025 |
| Owens Lake Mine | Trona | California | Rio Tinto Group | 6 2025 |
| Imerys Sylacauga Operations | Crushed marble | Alabama | Imerys S A | 271 2025 |
| Miss Linda Mine | Crushed marble | Georgia | J M Huber Corp | 153 2025 |
| New York Mine | Crushed marble | Georgia | Imerys S A | 103 2025 |
| Whitestone Mine #4 | Crushed marble | Georgia | Imerys S A | 55 2025 |
| Lost Sheep Mine | Fluorspar | Utah | Ares Strategic Mining Inc | 26 2025 |
| Hastie Mining and Trucking | Fluorspar | Illinois | — | 2 2025 |
| Klondike II | Fluorspar | Kentucky | Hastie Mining | 2 2025 |
| Lost Sheep Mine | Fluorspar | Utah | Deseret Mining & Development | — |
| Bonanza Mines | Gilsonite | Utah | American Gilsonite Company | 40 2025 |
| Cottonwood Mines | Gilsonite | Utah | American Gilsonite Company | 12 2025 |
| TRM Mine and Mill | Gilsonite | Utah | Table Rock Minerals LLC | 7 2025 |
| TRM Mill | Gilsonite | Utah | Table Rock Minerals LLC | 4 2025 |
| Bear River Zeolite Company | Zeolites | Idaho | United States Antimony Corp | 22 2025 |
| Ida-Ore | Zeolites | Idaho | Ida-Ore Mining, LLC | 18 2025 |
| Bowie Chabazite Operations | Zeolites | Arizona | UOP LLC | 4 2025 |
| CH Pit (Chrisman Hill) | Zeolites | Idaho | — | 4 2025 |
| Section 27 | Bauxite | Arkansas | — | 28 2025 |
| U.S. Vanadium - Benton, LLC | Bauxite | Arkansas | US Vanadium Holding Company, LLC | 28 2025 |
| Alabama Mine | Bauxite | Arkansas | McGeorge Contracting Company Inc | 14 2025 |
| Culverton Quarry | Crushed mica | Georgia | C and H Paving--Mining Division | 9 2022 |
| Flat Rock Plant | Crushed mica | North Carolina | Luck Stone Corporation | 5 2025 |
| Webster | Crushed mica | Virginia | Wienerberger AG | 4 2025 |
| Ocala Quarry | Leonardite | Florida | Quikrete Construction Materials, LLC | 22 2025 |
| Glenrock Mill | Leonardite | Wyoming | Harvest Holdings II LLC | 6 2025 |
| Glenrock Mine | Leonardite | Wyoming | Harvest Holdings II LLC | 5 2025 |
| Climax Mine | Molybdenum | Colorado | Freeport-McMoRan Inc | 532 2025 |
| Henderson Operations | Molybdenum | Colorado | Freeport-McMoRan Inc | 395 2025 |
| Thompson Creek Mine | Molybdenum | Idaho | Thompson Creek Metals Co USA | 204 2025 |
| Corunna Plant | Oil shale | Michigan | Wienerberger AG | 4 2025 |
| Crown Asphalt Ridge A-Pit | Oil shale | Utah | Western Energy Partners; Elgin Services Co Inc | 1 2022 |
| PR Spring Mine | Oil shale | Utah | Anchorage Capital Group, LLC | — |
| Stillwater Mine | Platinum group elements | Montana | Sibanye Stillwater Limited | 431 2025 |
| East Boulder Mine | Platinum group elements | Montana | Sibanye Stillwater Limited | 358 2025 |
| Platinum Creek Mine | Platinum group elements | Alaska | R A Hanson Company LLC | — |
| Mt Pass Mine & Mill | Rare earths | California | MP Materials Corporation | 822 2025 |
| Return Association | Rare earths | Oregon | — | 1 2024 |
| Fire & Sage | Rare earths | Oregon | — | — |
| Cedar Hill Quarry | Soapstone | Pennsylvania | Allan Myers Materials | 7 2025 |
| Old Dominion | Soapstone | Virginia | Polycor Inc | 2 2025 |
| Cannon Road Mine | Soapstone | North Carolina | Quality Stone LLC | 1 2025 |
| Ima Mine | Tungsten | Idaho | American Tungsten Corp | 16 2025 |
| Springer Mine | Tungsten | Nevada | Blue Moon Metals (US) Inc. | — |
| Victory Mine | Tungsten | Nevada | Nevada Rand LLC | — |
| Kingman Turquoise Mining Co | Turquoise | Arizona | Kingman Turquoise Mining Co | 11 2025 |
| Blue Ridge Mine | Turquoise | Nevada | — | 2 2022 |
| Lone Mountain Mine | Turquoise | Nevada | Lone Mountain Mining LLC | 1 2025 |
| Willsboro Mine (Fox Knoll) | Wollastonite | New York | Imerys S A | 48 2025 |
| Oak Hill Mine | Wollastonite | New York | Imerys S A | 10 2025 |
| Lewis Mine | Wollastonite | New York | Imerys S A | — |
| ASH Rock | Agate | Utah | — | 3 2025 |
| Extreme 30 | Agate | Arizona | — | 2 2025 |
| Montana Stibnite Hill Mine | Antimony | Montana | State Street Corporation | — |
| Treasure Creek | Antimony | Alaska | Felix Gold Limited | — |
| Nephi Complex | Chemical and fertilizer minerals | Utah | Azomite Mineral Products Inc | 2 2025 |
| Trace Mine 1- AUMCO Claim | Chemical and fertilizer minerals | Utah | Azomite Mineral Products Inc | 1 2025 |
| Madison Mine | Cobalt | Missouri | Missouri Cobalt Holdings LLC | 21 2025 |
| Idaho Cobalt Operation | Cobalt | Idaho | New JRV Topco Holdings LLC (NewCo) | 16 2025 |
| Fort Ann Site | Dimension granite | New York | Champlain Stone Ltd | 53 2025 |
| Berkshire Quarry | Dimension granite | Massachusetts | Williams Stone Co. Inc | 51 2022 |
| Meshoppen Stone Inc | Dimension sandstone | Pennsylvania | Meshoppen Stone Inc | 63 2025 |
| AWS Pit #1 | Dimension sandstone | Alabama | Alabama Wholesale Stone, Inc. | 59 2025 |
| Capital Rock LLC | Graphite | California | Capital Rock LLC | 9 2025 |
| Fredericksburg | Graphite | California | Tahoe Asphalt, inc. | 4 2023 |
| East Ridge Plant & Gieseke Plant | Kyanite | Virginia | The Disthene Group Inc | 90 2025 |
| Willis Mt Plant & Mullite Plant | Kyanite | Virginia | The Disthene Group Inc | 46 2025 |
| Thacker Pass | Lithium | Nevada | Lithium Americas Corp | 21 2025 |
| Rhyolite Ridge | Lithium | Nevada | — | — |
| Eagle Mine | Nickel | Michigan | Lundin Mining Corporation | 250 2025 |
| Humboldt Mill | Nickel | Michigan | Lundin Mining Corporation | 150 2025 |
| Temple Mountain Mine | Oil sand | Utah | Petroteq Energy Inc | 4 2021 |
| West Warm Springs Field Project | Oil sand | Wyoming | New Era Petroleum (Jersey) Ltd | 3 2025 |
| The Chemours Company FC LLC | Titanium | Florida | The Chemours Company | 261 2025 |
| Concord Mine & Concentrator | Titanium | Virginia | Appian Capital Advisory | 33 2025 |
| R. E. Sansom Mine & Mill | Vermiculite | Virginia | Virginia Vermiculite LLC | 25 2025 |
| Enoree Operations | Vermiculite | South Carolina | Dicalite Management Holdings, LLC | 19 2025 |
| Hillsborough Mine | Alumina | North Carolina | Resco Products Inc | 6 2025 |
| Humming Bird Mine | Amethyst | Colorado | Miners Mall, LLC | — |
| Montpelier Plant | Aplite | Virginia | USS Holdings Inc | 25 2025 |
| Materion Natural Resources | Beryllium | Utah | Materion Corporation | 88 2025 |
| Boron Operations | Boron | California | Rio Tinto Group | 729 2025 |
| Sioux Falls Quarry | Crushed quartzite | South Dakota | Knife River Corporation | 54 2025 |
| Apache Stone Quarry LLC | Dimension traprock | Texas | Apache Stone Quarry LLC | 58 2025 |
| Alexander Quarry | Emerald | North Carolina | Martin Marietta Materials Inc | — |
| Simpson | Fuller's earth | Georgia | Oil Dri Corporation Of America | 464 2025 |
| Martin Marietta - Gabbs Mine | Industrial chemicals | Nevada | Martin Marietta Materials Inc | 122 2025 |
| Chino Mine | Magnetite | New Mexico | Strategic Minerals PLC | 6 2025 |
| Elk Creek Mine | Niobium | Nebraska | NioCorp Developments Ltd | — |
| 1 Pit and Mill | Pigment minerals | Virginia | Oxerra Americas, Inc. | 1 2025 |
| Standard Mineral Division | Pyrophyllite | North Carolina | RSP Minerals | 35 2025 |
| Anaconda Bench Sapphire Mine | Sapphire | Montana | C3 Limited Liability Company | 5 2025 |
| Lucky Boy Silica Pit | Sodium compounds | Nevada | Rock Services Inc. | 5 2025 |
| MOSenecaMfr LLC dba American Tr | Tripoli | Missouri | Omphalos LLC | 7 2024 |
| US Vanadium, LLC | Vanadium | Arkansas | US Vanadium Holding Company, LLC | 82 2025 |
| Ione Plant | Zirconium | California | Twin Pines Minerals LLC | 45 2024 |