U.S. mines and quarries with 100 workers or more — page 1 of 2
343 operations reporting 100 workers or more, in alphabetical order.
1 · 2
| Place | Mine | Mine ID | Industry group | Status since |
|---|---|---|---|---|
| Bexar County, TX | 1604 QUARRY & PLANT Alamo Cement Company | 4103019 | Stone | Sep 24, 1986 |
| Pulaski County, AR | 3 M Little Rock Industrial Mineral Prod 3M Company | 0300426 | Stone | Mar 2, 2013 |
| Marathon County, WI | 3M - Downtown Plant 3M Company | 4702918 | Stone | Jun 30, 2026 |
| Dickenson County, VA | 88 Strip Paramont Contura, LLC | 4407163 | Coal | Apr 20, 2020 |
| San Benito County, CA | A R Wilson Quarry Granite Rock Co | 0400119 | Stone | Mar 30, 1989 |
| Berkshire County, MA | ADAMS SPECIALTY MINERALS INC | 1900035 | Stone | Feb 22, 1983 |
| Raleigh County, WV | AFFINITY MINE Pocahontas Coal Company LLC | 4608878 | Coal | Feb 1, 2016 |
| Ector County, TX | Alpine Silica-Monahans Alpine Silica LLC | 4105320 | Sand and gravel | Oct 1, 2018 |
| Sweetwater County, WY | American Soda LLC | 4801295 | Nonmetal | Oct 1, 1979 |
| Pontotoc County, OK | Amrize Ada Plant Amrize Cement Inc | 3400023 | Stone | Mar 8, 1990 |
| Alpena County, MI | Amrize Alpena Plant Amrize Cement Inc. | 2000044 | Stone | Jul 16, 1976 |
| Morgan County, UT | Amrize Devil's Slide Plant Amrize Cement Inc | 4200013 | Stone | Jul 4, 1976 |
| Washington County, MD | Amrize Hagerstown Facility Amrize Cement Inc. | 1800019 | Stone | Jan 25, 1979 |
| Orangeburg County, SC | Amrize Holly Hill Plant Amrize Cement Inc. | 3800014 | Stone | Dec 18, 1978 |
| Ellis County, TX | Amrize Midlothian Plant Amrize Cement Inc. | 4103307 | Stone | Apr 24, 1985 |
| Fremont County, CO | Amrize Portland Plant Amrize Cement Inc. | 0500037 | Stone | Aug 9, 1983 |
| Presque Isle County, MI | Amrize Presque Isle Aggregates Amrize Great Lakes Inc. | 2000051 | Stone | Jan 6, 2014 |
| Albany County, NY | AMRIZE RAVENA PLANT Amrize Cement Inc. | 3000006 | Stone | Feb 23, 1983 |
| Ste Genevieve County, MO | Amrize Ste Genevieve Plant Amrize Cement Inc. | 2300284 | Stone | May 31, 2005 |
| Mobile County, AL | Amrize Theodore Plant Amrize Cement Inc. | 0102343 | Stone | Jul 14, 1981 |
| Converse County, WY | Antelope Coal Mine Navajo Transitional Energy Company, LLC | 4801337 | Coal | Dec 3, 1985 |
| Clark County, NV | Apex Quarry and Plant Martin Marietta Materials, Inc. | 2600081 | Stone | Mar 9, 2009 |
| Shelby County, AL | ARGOS ROBERTA PLANT Quikrete Construction Materials, LLC | 0100629 | Stone | Feb 26, 1976 |
| Saline County, AR | Arkansas Operations Mill Almatis Inc | 0300257 | Metal | Sep 17, 1973 |
| Ellis County, TX | Ash Grove Cement Company | 4100026 | Stone | Sep 30, 1990 |
| Winkler County, TX | Atlas Sand Kermit North Plant Atlas Sand Company, LLC | 4105367 | Sand and gravel | Oct 1, 2018 |
| Winkler County, TX | Atlas Sand Kermit South Plant Atlas Sand Company, LLC | 4105359 | Sand and gravel | Oct 1, 2018 |
| Greene County, PA | Bailey Mine Consol Pennsylvania Coal Company LLC | 3607230 | Coal | Jun 8, 2020 |
| Comal County, TX | Balcones Quarry CEMEX Construction Materials South, LLC | 4100994 | Stone | Mar 27, 1972 |
| White Pine County, NV | Bald Mountain Mine KG Mining (Bald Mountain) Inc. | 2601842 | Metal | Jul 19, 1984 |
| Sullivan County, IN | Bear Run Mine Peabody Bear Run Mining LLC | 1202422 | Coal | Sep 13, 2010 |
| Campbell County, WY | Belle Ayr Mine Eagle Specialty Materials LLC | 4800732 | Coal | Jul 5, 2019 |
| Mcdowell County, WV | Berwind Deep Mine Ramaco Resources, LLC | 4609533 | Coal | Jul 8, 2024 |
| Sweetwater County, WY | Big Island Mine & Refinery Sisecam Wyoming, LLC | 4800154 | Nonmetal | Jul 4, 1976 |
| Salt Lake County, UT | Bingham Canyon Mine Kennecott Utah Copper LLC | 4200149 | Metal | Jun 6, 1986 |
| Raleigh County, WV | BLACK EAGLE MARFORK COAL COMPANY, LLC | 4609550 | Coal | Dec 18, 2018 |
| San Bernardino County, CA | Black Mountain Quarry CEMEX Construction Materials Pacific, LLC | 0405701 | Stone | Dec 29, 2006 |
| Campbell County, WY | Black Thunder Thunder Basin Coal Company LLC | 4800977 | Coal | Dec 1, 1980 |
| Stoddard County, MO | Bloomfield Plant Nestle Purina Pet Care | 2301602 | Nonmetal | Nov 3, 1976 |
| Tuscaloosa County, AL | Blue Creek Mine No. 1 Warrior Met Coal BC, LLC | 0103448 | Coal | Sep 4, 2024 |
| Kanawha County, WV | Blue Creek No. 1 UG Mine Blue Creek Mining, LLC | 4609297 | Coal | May 13, 2020 |
| Kern County, CA | Boron Operations U S Borax Inc | 0400743 | Nonmetal | Oct 8, 1975 |
| Hernando County, FL | Brooksville Quarry CEMEX Construction Materials Florida, LLC | 0800024 | Stone | Dec 19, 2008 |
| Hernando County, FL | Brooksville South Cement Plant CEMEX Construction Materials Florida, LLC | 0801287 | Stone | Jan 28, 2008 |
| Iron County, MO | Brushy Creek Mine/Mill Doe Run Company | 2300499 | Metal | Apr 1, 1989 |
| Buchanan County, VA | Buchanan Mine #1 Buchanan Minerals, LLC | 4404856 | Coal | Nov 5, 2012 |
| Campbell County, WY | Buckskin Mine Buckskin Mining Company | 4801200 | Coal | Oct 18, 1982 |
| Musselshell County, MT | Bull Mountains Mine No 1 Signal Peak Energy LLC | 2401950 | Coal | Sep 14, 2007 |
| Gonzales County, TX | BYK USA LLC Plants & Pits BYK USA LLC | 4100298 | Nonmetal | Apr 18, 1972 |
| Campbell County, WY | Caballo Mine Peabody Caballo Mining, LLC | 4801034 | Coal | Oct 1, 1981 |
| Leslie County, KY | Calvary No 81 Blue Diamond Coal Co | 1512753 | Coal | Jul 14, 2020 |
| Crawford County, IN | Cape Sandy #1 Mulzer Crushed Stone Inc | 1200084 | Stone | Jun 11, 2013 |
| Bexar County, TX | Capitol Cement Plant & Quarry Capitol Aggregates, Inc. | 4100010 | Stone | Jul 15, 1983 |
| Hopkins County, KY | CARDINAL WARRIOR COAL LLC | 1517216 | Coal | Jun 14, 1993 |
| Wyandot County, OH | CAREY PLANT The National Lime & Stone Company | 3300127 | Stone | Jun 8, 1978 |
| Cuyahoga County, OH | Cargill Deicing Solutions-Cleveland Mn Cargill Deicing Solutions | 3301994 | Nonmetal | Jan 23, 1992 |
| Rowan County, NC | Carolina Stalite Company-Stalite Mill Carolina Stalite Company | 3100136 | Nonmetal | Jul 2, 1984 |
| Tompkins County, NY | CAYUGA MINE CARGILL SALT | 3000663 | Nonmetal | Jan 11, 1983 |
| Oliver County, ND | Center Mine BNI Coal, Ltd | 3200218 | Coal | Jan 22, 1970 |
| Neosho County, KS | CHANUTE QUARRY Ash Grove Cement Company | 1400034 | Stone | Jul 18, 1973 |
| Adams County, PA | Charmian Specialty Granules LLC | 3603460 | Stone | Mar 9, 1976 |
| Calumet County, WI | Chilton Quarry Buechel Stone Corp | 4700398 | Stone | Aug 14, 1974 |
| Grant County, NM | Chino Mines Co Mine Freeport-McMoRan Chino Mines Company | 2900708 | Metal | Jan 20, 2011 |
| Yavapai County, AZ | Clarkdale Facility Phoenix Cement | 0200001 | Stone | Feb 20, 2016 |
| Lake County, CO | Climax Mine Climax Molybdenum Company | 0502256 | Metal | Nov 15, 2012 |
| Houston County, GA | Clinchfield Plant Cemex Southeast LLC | 0900053 | Stone | Aug 8, 1975 |
| Dutchess County, NY | CLINTON POINT QUARRY & MILL Tilcon New York Inc | 3000082 | Stone | Feb 9, 1984 |
| Wyoming County, WV | Coal Mountain No 1 Surface CM Energy Operations LP | 4609062 | Coal | May 5, 2020 |
| Lawrence County, SD | Coeur Wharf Wharf Resources (USA) Inc | 3901282 | Metal | Dec 30, 2014 |
| Pershing County, NV | Colado Plant U.S. Silica Company, LLC | 2600680 | Nonmetal | Jul 4, 1976 |
| Moffat County, CO | Colowyo Mine Kiewit Mining Group Inc | 0502962 | Coal | Jul 20, 2026 |
| Iron County, UT | Comstock / Mountain Lion Utah Iron, LLC | 4201927 | Metal | Apr 9, 2025 |
| Silver Bow County, MT | Continental Mine Montana Resources, LLC | 2400338 | Metal | May 24, 2004 |
| Salt Lake County, UT | Copperton Concentrator Rio Tinto Kennecott Copper | 4201996 | Metal | Jul 5, 1988 |
| Campbell County, WY | Cordero Rojo Mine Navajo Transitional Energy Company, LLC | 4800992 | Coal | May 20, 2016 |
| Lander County, NV | Cortez District Nevada Gold Mines LLC | 2600827 | Metal | Sep 27, 1988 |
| Eureka County, NV | Cortez District-Underground Nevada Gold Mines LLC | 2602573 | Metal | Dec 9, 2008 |
| Iberia County, LA | Cote Blanche Mine Compass Minerals Louisiana Inc. | 1600358 | Nonmetal | Jun 17, 1983 |
| Jefferson County, TN | Coy Mine Crucible ETN LLC | 4000166 | Metal | Jan 19, 2007 |
| Mercer County, ND | Coyote Creek Mine Coyote Creek Mining Company, L.L.C. | 3201028 | Coal | Oct 28, 2015 |
| Teller County, CO | Cripple Creek and Victor Gold Mining Com Cripple Creek & Victor Gold Mining Company, LLC | 0503695 | Metal | Nov 12, 1991 |
| Greene County, PA | Cumberland Mine Iron Cumberland LLC | 3605018 | Coal | Apr 2, 2024 |
| Livingston County, KY | Cumberland River Quarry Pine Bluff Sand & Gravel Company | 1518766 | Stone | Jun 8, 2004 |
| San Bernardino County, CA | CUSHENBURY PLANT MITSUBISHI CEMENT CORP | 0400157 | Stone | Aug 9, 1988 |
| Scott County, IA | Davenport Plant Continental Cement Company, LLC | 1300125 | Stone | Jan 30, 1975 |
| Logan County, WV | Davy Branch Mine Aracoma Coal Company | 4609574 | Coal | Sep 14, 2020 |
| Dickenson County, VA | DEEP MINE 41 PARAMONT CONTURA, LLC | 4407223 | Coal | Jul 8, 2013 |
| Washington County, GA | Deepstep Road Plant Thiele Kaolin Company | 0900110 | Nonmetal | Jul 4, 1976 |
| Fayette County, WV | DEEPWATER SURFACE MINE COAL-MAC MET, LLC | 4609105 | Coal | Dec 8, 2021 |
| Montgomery County, IL | Deer Run Mine Patton Mining LLC | 1103182 | Coal | Jan 2, 2020 |
| Rio Blanco County, CO | Deserado Mine Blue Mountain Energy Inc | 0503505 | Coal | Oct 20, 1996 |
| Yavapai County, AZ | Drake Cement Drake Cement LLC | 0203243 | Stone | Jul 18, 2011 |
| Baker County, OR | Durkee Cement Plant Ash Grove Cement Co | 3502970 | Stone | Jan 28, 1980 |
| Campbell County, WY | Eagle Butte Mine Eagle Specialty Materials LLC | 4801078 | Coal | Jul 5, 2019 |
| Marquette County, MI | Eagle Mine Eagle Mine LLC | 2003454 | Metal | Dec 8, 2011 |
| Sweet Grass County, MT | EAST BOULDER MINE Stillwater Mining Company | 2401879 | Metal | Mar 2, 1998 |
| Wilkinson County, GA | Edgar Plant BASF Corporation | 0900359 | Nonmetal | Jul 4, 1976 |
| Winkler County, TX | El Dorado Plant Iron Oak Permian LLC | 4105335 | Sand and gravel | Oct 1, 2018 |
| Mckinley County, NM | El Segundo El Segundo Coal Company, LLC | 2902257 | Coal | Nov 1, 2007 |
| Emery County, UT | Emery Valley Mine Emery Valley Resources, LLC. | 4200079 | Coal | Sep 19, 2017 |
| St Lawrence County, NY | Empire State Mines Empire State Mines LLC | 3001185 | Metal | Jan 30, 2018 |
| Washington County, PA | ENLOW FORK MINE CONSOL PENNSYLVANIA COAL COMPANY LLC | 3607416 | Coal | Jul 13, 2020 |
| Hinds County, MS | EP Engineered Clays Corporation U.S. Silica Company, LLC | 2200415 | Nonmetal | Dec 8, 1976 |
| Berks County, PA | EVANSVILLE PLANT Heidelberg Materials US Cement LLC | 3600185 | Stone | May 9, 1978 |
| Pike County, KY | Excel #5 Excel Mining | 1519838 | Coal | Jul 14, 2020 |
| Eureka County, NV | Exodus Nevada Gold Mines LLC | 2602661 | Metal | Feb 5, 2010 |
| Greene County, OH | Fairborn Cement Plant Fairborn Cement Company | 3300161 | Stone | Oct 24, 2013 |
| Mclean County, ND | Falkirk Mine Falkirk Mining Company | 3200491 | Coal | Jan 16, 1975 |
| Miami-dade County, FL | FEC QUARRY CEMEX Construction Materials Florida, LLC | 0800519 | Stone | Dec 4, 2008 |
| Reynolds County, MO | Fletcher Mine and Mill Doe Run Company | 2300409 | Metal | Dec 16, 1987 |
| Pershing County, NV | Florida Canyon Mine Florida Canyon Mining Inc. | 2601947 | Metal | Feb 3, 1986 |
| Routt County, CO | FOIDEL CREEK MINE Peabody Twentymile Mining LLC | 0503836 | Coal | Sep 11, 1985 |
| Little River County, AR | Foreman Quarry & Plant Ash Grove Cement Company | 0300256 | Stone | Feb 15, 1973 |
| Washington County, NE | Fort Calhoun Underground Mine Martin Marietta Materials Inc. | 2501300 | Stone | May 2, 2017 |
| Fairbanks North Star County, AK | Fort Knox Mine Fairbanks Gold Mining Inc | 5001616 | Metal | May 2, 1995 |
| Emery County, UT | Fossil Rock Mine Fossil Rock Resources, LLC. | 4201211 | Coal | Sep 4, 2024 |
| Polk County, FL | Four Corners Mosaic Fertilizer, LLC | 0801117 | Nonmetal | Nov 18, 1988 |
| Gibson County, IN | Francisco Underground Pit Peabody Midwest Mining, LLC | 1202295 | Coal | Oct 27, 2003 |
| Mercer County, ND | Freedom Mine The Coteau Properties Company | 3200595 | Coal | Oct 1, 1978 |
| Winkler County, TX | Freedom Proppant Kermit Mine Freedom Proppant L.L.C. | 4105321 | Sand and gravel | Oct 1, 2018 |
| Gila County, AZ | Freeport McMoRan Miami Inc | 0200112 | Metal | Mar 9, 2010 |
| Yavapai County, AZ | Freeport-McMoRan Bagdad Inc | 0200137 | Metal | Aug 16, 1988 |
| Greenlee County, AZ | Freeport-McMoRan Morenci Inc. | 0200024 | Metal | Dec 3, 1971 |
| Graham County, AZ | Freeport-McMoRan Safford Inc | 0203131 | Metal | Feb 1, 2008 |
| Pima County, AZ | Freeport-McMoRan Sierrita Ops. | 0200144 | Metal | Apr 1, 1986 |
| Shoshone County, ID | Galena U.S. Silver-Idaho, Inc. | 1000082 | Metal | Apr 25, 1995 |
| Randolph County, IL | Gateway North Mine Peabody Gateway North Mining, LLC | 1103235 | Coal | May 11, 2015 |
| Pennington County, SD | GCC Dacotah Inc | 3900022 | Stone | Dec 30, 2014 |
| Eureka County, NV | Genesis Nevada Gold Mines LLC | 2600062 | Metal | Feb 20, 1990 |
| Williamson County, TX | Georgetown Qy & Plt Texas Crushed Stone Company Inc | 4100069 | Stone | Jul 4, 1976 |
| Dorchester County, SC | Giant Cement Company | 3800007 | Stone | May 27, 2008 |
| Gibson County, IN | Gibson South Gibson County Coal, LLC | 1202388 | Coal | Jun 15, 2020 |
| Wyoming County, WV | Glancy Surface Mine Rockwell Mining LLC | 4609377 | Coal | Apr 7, 2020 |
| Raleigh County, WV | Glen Alum Tunnel Mine Marfork Coal Company, LLC | 4609375 | Coal | May 16, 2022 |
| Eureka County, NV | Goldrush Nevada Gold Mines LLC | 2602822 | Metal | Dec 6, 2017 |
| Eureka County, NV | Goldstrike Mine Nevada Gold Mines LLC | 2601089 | Metal | Apr 1, 1991 |
| St James County, LA | Gramercy Operation Atalco Gramercy LLC | 1600352 | Metal | Jul 19, 1983 |
| Livingston County, KY | Grand Rivers Quarry Vulcan Construction Materials, LLC | 1500087 | Stone | Jan 23, 1979 |
| Van Zandt County, TX | GRAND SALINE OPERATIONS Morton Salt Inc | 4101776 | Nonmetal | Mar 6, 1973 |
| Humboldt County, NV | Granite Creek Mine Osgood Mining Company, LLC | 2601597 | Metal | May 1, 2014 |
| Centre County, PA | GRAYMONT (PA) INC. PLEASANT GAP Graymont (PA) Inc. | 3606468 | Stone | May 22, 1997 |
| Lancaster County, SC | Haile Gold Mine Haile Gold Mine Inc | 3800600 | Metal | Nov 29, 2011 |
| Livingston County, NY | Hampton Corners Mine and Retsof Bagging American Rock Salt Company LLC | 3003255 | Nonmetal | Nov 2, 1998 |
| Ralls County, MO | Hannibal Underground Continental Cement Company, LLC | 2302434 | Stone | Oct 1, 2013 |
| Dorchester County, SC | HARLEYVILLE MINE & PLANT Quikrete Construction Materials, LLC | 3800305 | Stone | Dec 20, 1978 |
| Wetzel County, WV | Harrison County Mine Harrison County Coal Resources, Inc. | 4601318 | Coal | May 20, 1999 |
| Greene County, PA | HARVEY MINE CONSOL PENNSYLVANIA COAL COMPANY LLC | 3610045 | Coal | Apr 11, 2016 |
| Gila County, AZ | Hayden Concentrator Asarco LLC | 0200826 | Metal | Aug 10, 2022 |
| Juneau County, AK | Hecla Greens Creek Mine Hecla Greens Creek Mining Company | 5001267 | Metal | Dec 6, 1995 |
| Henderson County, KY | Henderson County Mine River View Coal LLC | 1502709 | Coal | Jul 5, 2023 |
| Clear Creek County, CO | HENDERSON OPERATIONS Climax Molybdenum Company | 0500790 | Metal | Feb 15, 1973 |
| Northampton County, PA | Hercules Cement LP Buzzi Unicem USA | 3600006 | Stone | Jan 19, 1979 |
| St Louis County, MN | Hibbing Taconite Company | 2101600 | Metal | Nov 22, 1978 |
| Marquette County, MI | Humboldt Mill Eagle Mine LLC | 2000420 | Metal | May 11, 2012 |
| Comal County, TX | Hunter Cement Plant Ash Grove Cement South Texas LLC | 4102820 | Stone | Apr 15, 1980 |
| Comal County, TX | Hunter Quarry Colorado Materials Ltd | 4103430 | Stone | Aug 1, 1986 |
| Humboldt County, NV | Hycroft Mine Hycroft Resources & Development, LLC | 2601962 | Metal | Dec 2, 2008 |
| Santa Barbara County, CA | Imerys Lompoc Plant Imerys Filtration Minerals, Inc. | 0402848 | Nonmetal | Jul 2, 1976 |
| Talladega County, AL | IMERYS SYLACAUGA OPERATIONS IMERYS CARBONATES USA, INC. | 0100011 | Stone | Nov 14, 1975 |
| Knox County, TN | Immel Mine Crucible ETN LLC | 4000170 | Metal | Oct 29, 2007 |
| Eddy County, NM | International Minerals Carlsbad, Inc. | 2900802 | Nonmetal | Dec 1, 1972 |
| Eddy County, NM | Intrepid Potash East Intrepid Potash-New Mexico, LLC | 2900170 | Nonmetal | Jul 4, 1976 |
| Eddy County, NM | Intrepid Potash West Intrepid Potash-New Mexico, LLC | 2900175 | Nonmetal | Oct 7, 1988 |
| Wyoming County, WV | Itmann No 5 Itmann Mining Company LP | 4609569 | Coal | May 18, 2020 |
| Tippah County, MS | Jasper Creek Mine Blue Mountain Production Company LLC | 2200582 | Nonmetal | Jul 28, 2022 |
| Sweetwater County, WY | Jim Bridger Mine Bridger Coal Company | 4800677 | Coal | Jul 1, 1974 |
| Lincoln County, WY | Kemmerer Mine Kemmerer Operations, LLC | 4800086 | Coal | May 1, 1951 |
| Juneau County, AK | Kensington Coeur Alaska Inc | 5001544 | Metal | Oct 10, 2010 |
| Winkler County, TX | Kermit 115 Iron Oak West Texas LLC | 4105398 | Nonmetal | Mar 2, 2021 |
| Northampton County, PA | KEYSTONE CEMENT COMPANY | 3600125 | Stone | Jul 4, 1976 |
| King William County, VA | King William Nestle Purina PetCare Company | 4406882 | Nonmetal | Jul 31, 1997 |
| Fayette County, WV | Kingston No. 2 Kingston Mining, Inc. | 4608932 | Coal | Feb 1, 2002 |
| Knox County, TN | Knoxville Cement Plant CEMEX Construction Materials Atlantic, LLC | 4000840 | Stone | Apr 4, 2012 |
| Jefferson County, KY | Kosmos Cement Plant Kosmos Cement Company, LLC | 1504469 | Stone | May 15, 2009 |
| Limestone County, TX | Kosse Strip Luminant Mining Company LLC | 4104586 | Coal | Dec 3, 2007 |
| Marinette County, WI | Kremlin Plant Specialty Granules, LLC. | 4700148 | Stone | Nov 22, 1978 |
| La Salle County, IL | LaSalle Quarry and Mill Illinois Cement Company | 1100003 | Stone | Mar 6, 2013 |
| Juab County, UT | Leamington Cement Plant Ash Grove Cement Company | 4201665 | Stone | May 7, 1980 |
| Kern County, CA | LEBEC CEMENT PLANT NATIONAL CEMENT COMPANY OF CALIFORNIA INC | 0400213 | Stone | Jul 25, 1988 |
| Beaufort County, NC | Lee Creek Mine PCS Phosphate Company Inc | 3100212 | Nonmetal | May 1, 2008 |
| Jefferson County, AL | Leeds Plant Lehigh Cement Company LLC | 0100043 | Stone | Dec 5, 1975 |
| Taylor County, WV | LEER MINE ICG TYGART VALLEY | 4609192 | Coal | Aug 13, 2026 |
| Barbour County, WV | Leer South Mine Wolf Run Mining LLC | 4604168 | Coal | Jan 11, 2007 |
| Eureka County, NV | Leeville Nevada Gold Mines LLC | 2602512 | Metal | Jan 2, 2003 |
| Washington County, IL | Lively Grove Mine Prairie State Generating Company LLC | 1103193 | Coal | Apr 13, 2011 |
| Putnam County, IN | Lone Star Industries Buzzi Unicem USA | 1200064 | Stone | Jul 1, 2013 |
| Mayes County, OK | LONE STAR PRYOR PLT MILL & QY Buzzi Unicem USA | 3401289 | Stone | Nov 20, 1979 |
| Cape Girardeau County, MO | Lone Star Quarry & Mill Buzzi Unicem USA | 2300134 | Stone | May 20, 1974 |
| Winkler County, TX | Lonestar Prospects, Ltd. | 4105329 | Sand and gravel | Oct 1, 2018 |
| Barbour County, WV | LONGVIEW MINE Allegheny Metallurgical, LLC | 4609447 | Coal | Sep 23, 2026 |
| Shelby County, AL | LONGVIEW OPERATION Carmeuse Lime & Stone Inc | 0100394 | Stone | Mar 5, 1974 |
| Cass County, NE | Louisville Plant Quarry & Mill Ash Grove Cement Company | 2500002 | Stone | Feb 17, 2015 |
| Shoshone County, ID | Lucky Friday Hecla Limited | 1000088 | Metal | Mar 1, 2013 |
| Logan County, WV | Lynn Branch No. 2 Mine Aracoma Coal Company, LLC | 4609575 | Coal | Oct 19, 2020 |
| Williamson County, IL | Mach #1 Mine Mach Mining LLC | 1103141 | Coal | Sep 1, 2006 |
| Twiggs County, GA | Macon Plant KaMin LLC | 0900142 | Nonmetal | Sep 26, 1973 |
| Washington County, GA | MAIN PROCESSING PLANT Thiele Kaolin Company | 0900337 | Nonmetal | Jul 4, 1976 |
| Southeast Fairbanks County, AK | Manh Choh Peak Gold LLC | 5002102 | Metal | Oct 1, 2023 |
| Humboldt County, NV | MARIGOLD MINE Marigold Mining Co | 2602081 | Metal | Mar 9, 1990 |
| Marion County, WV | Marion County Mine Marion County Coal Resources, Inc. | 4601433 | Coal | Sep 21, 2003 |
| Marshall County, WV | MARSHALL COUNTY MINE MARSHALL COUNTY COAL RESOURCES, INC. | 4601437 | Coal | Nov 30, 2020 |
| Nye County, NV | Martin Marietta - Gabbs Mine Martin Marietta Materials, Inc. | 2600002 | Nonmetal | Jul 21, 2009 |
| Sandusky County, OH | Martin Marietta - Woodville Lime & Stone Martin Marietta Materials, Inc. | 3300156 | Stone | Dec 2, 1976 |
| Berkeley County, WV | Martinsburg Quikrete Construction Materials, LLC | 4600007 | Stone | Mar 10, 1976 |
| Nolan County, TX | MARYNEAL QUARRY AND MILL Buzzi Unicem USA | 4100283 | Stone | Jun 30, 1976 |
| Cerro Gordo County, IA | Mason City Plant Heidelberg Materials US Cement LLC | 1300095 | Stone | May 15, 1974 |
| Mason County, KY | Maysville Mine Carmeuse Lime and Stone Inc | 1507101 | Stone | Mar 5, 1979 |
| Franklin County, IL | MC#1 Mine M-Class Mining LLC | 1103189 | Coal | Jan 11, 2022 |
| Eureka County, NV | Meikle Mine Nevada Gold Mines LLC | 2602246 | Metal | Jan 25, 2002 |
| Imperial County, CA | Mesquite Western Mesquite Mines, Inc. | 0404614 | Metal | Dec 1, 1986 |
| Miami-dade County, FL | Miami Cement Plant CEMEX Construction Materials Florida, LLC | 0800046 | Stone | Mar 5, 2009 |
| Ellis County, TX | Midlothian Quarry and Plant Continental Cement Company, LLC | 4100071 | Stone | Jul 4, 1976 |
| Eureka County, NV | Mill 6 Nevada Gold Mines LLC | 2602678 | Metal | Oct 16, 2013 |
| Eureka County, NV | Mill/Autoclave Operations Nevada Gold Mines LLC | 2602674 | Metal | Oct 2, 2012 |
| Hamilton County, IL | MINE NO. 1 HAMILTON COUNTY COAL, LLC | 1103203 | Coal | May 4, 2020 |
| Mcdowell County, WV | MINE NO. 44 Twin State Mining, Inc. | 4609523 | Coal | Mar 20, 2023 |
| Mohave County, AZ | Mineral Park Origin Mining Company, LLC. | 0200843 | Metal | May 30, 2023 |
| St Louis County, MN | Minntac Mine United States Steel Corp-Minnesota Ore Operations | 2100282 | Metal | Oct 1, 1987 |
| St Louis County, MN | Minntac Plant United States Steel Corp-Minnesota Ore Operations | 2100820 | Metal | Oct 1, 1987 |
| St Louis County, MN | Minorca Mine Cleveland-Cliffs Minorca Mine Inc. | 2102449 | Metal | Jun 11, 1992 |
| Pima County, AZ | MISSION/SAN XAVIER/EISENHOWER ASARCO LLC, a Delaware Limited Liability Company | 0200135 | Metal | Nov 3, 2016 |
| Lawrence County, IN | Mitchell Plant Heidelberg Materials US Cement LLC | 1200063 | Stone | Feb 7, 1979 |
| Ste Genevieve County, MO | MLC - Ste. Genevieve MLC | 2300542 | Stone | Jun 15, 1984 |
| Kern County, CA | Mojave Plant & Quarry Calportland | 0400036 | Stone | Apr 10, 1975 |
| Crane County, TX | Monahans Capital Sand Permian, LLC | 4105380 | Sand and gravel | Oct 19, 2022 |
| Lake County, OH | Morton Salt Fairport Mine Morton Salt Inc | 3301993 | Nonmetal | Jun 2, 1992 |
| Albany County, WY | Mountain Cement Company Mountain Cement Company LLC | 4800007 | Stone | Apr 30, 1986 |
| Tucker County, WV | Mountain View Mine Mettiki Coal WV, LLC | 4609028 | Coal | Jul 18, 2005 |
| Logan County, WV | Mountaineer II Mine Mingo Logan Coal LLC | 4609029 | Coal | Mar 27, 2006 |
| San Bernardino County, CA | Mt Pass Mine & Mill MP Mine Operations, LLC. | 0402542 | Metal | Dec 13, 2017 |
| Sumter County, GA | MULCOA PLANT #1 Imerys Refractory Minerals USA Inc. | 0900339 | Nonmetal | Jul 4, 1976 |
| Sumter County, GA | MULCOA PLANT NO 2 Imerys Refractory Minerals USA Inc. | 0900188 | Nonmetal | Aug 18, 1975 |
| St Clair County, AL | NATIONAL CEMENT COMPANY National Cement Co. of AL., Inc. | 0100027 | Stone | Nov 26, 1975 |
| San Juan County, NM | Navajo Mine Bisti Fuels Company LLC | 2900097 | Coal | May 6, 1963 |
| Northampton County, PA | Nazareth Plant I Heidelberg Materials US Cement LLC | 3600190 | Stone | Jul 4, 1976 |
| Lyon County, NV | Nevada Cement Co Cement Plant Nevada Cement Company | 2600015 | Stone | Jul 4, 1976 |
| Pickens County, GA | New York Mine Imerys Carbonates USA, Inc | 0900030 | Stone | Mar 14, 1979 |
| Alachua County, FL | Newberry Cement Plant Quikrete Construction Materials, LLC | 0801277 | Stone | Oct 22, 1999 |
| Tuscaloosa County, AL | No 4 Mine Warrior Met Coal Mining, LLC | 0101247 | Coal | Oct 26, 2021 |
| Jefferson County, AL | No 7 Mine Warrior Met Coal Mining, LLC | 0101401 | Coal | Feb 28, 1983 |
| Campbell County, WY | North Antelope Rochelle Mine Peabody Powder River Mining LLC | 4801353 | Coal | Dec 1, 1985 |
| Boone County, WV | NORTH EAGLE MINE KANAWHA EAGLE MINING, LLC | 4608759 | Coal | Jul 18, 2013 |
| St Louis County, MN | Northshore Mining Company | 2100209 | Metal | Sep 1, 1989 |
| Lake County, MN | Northshore Mining Company | 2100831 | Metal | Sep 1, 1989 |
| Shelby County, AL | O'Neal Quarry & Mill Martin Marietta Materials, Inc. | 0100003 | Stone | Jan 22, 1979 |
| Presque Isle County, MI | O-N Minerals - Calcite Operation O-N Minerals (Michigan) Company | 2000062 | Stone | Nov 2, 1993 |
| Jefferson County, AL | Oak Grove Mine Crimson Oak Grove Resources LLC | 0100851 | Coal | Feb 19, 2020 |
| Knox County, IN | Oaktown Fuels Mine No. 1 Sunrise Coal, LLC | 1202394 | Coal | Oct 20, 2009 |
| Marshall County, WV | OHIO COUNTY MINE OHIO COUNTY COAL RESOURCES, INC. | 4601436 | Coal | Aug 30, 2002 |
| San Bernardino County, CA | ORO GRANDE QUARRY CALPORTLAND | 0400011 | Stone | Oct 1, 2015 |
| La Salle County, IL | Ottawa Plant U. S. Silica Company | 1101013 | Nonmetal | Nov 29, 1973 |
| Raleigh County, WV | PANTHER EAGLE MINE Marfork Coal Company | 4609212 | Coal | Apr 27, 2020 |
| Harlan County, KY | PANTHER MINE Bluegrass Natural Resources, LLC | 1518198 | Coal | Apr 26, 2021 |
| Clayton County, IA | Pattison Company, LLC | 1302297 | Nonmetal | Apr 14, 2007 |
| Miami-dade County, FL | PENNSUCO CEMENT PLANT Titan Florida LLC | 0800051 | Stone | Jul 4, 1976 |
| Miami-dade County, FL | PENNSUCO QUARRY Titan Florida LLC | 0800931 | Stone | Nov 16, 1979 |
| Eureka County, NV | Pete Bajo Nevada Gold Mines LLC | 2602689 | Metal | Aug 17, 2011 |
| Lander County, NV | Phoenix Mine Nevada Gold Mines LLC | 2600550 | Metal | Dec 15, 2003 |
| Gila County, AZ | Pinto Valley Mine Pinto Valley Mining Corp. | 0201049 | Metal | Feb 2, 2026 |
| Southeast Fairbanks County, AK | Pogo Mine Northern Star (Pogo) LLC | 5001642 | Metal | Jan 17, 2006 |
| Ponce County, PR | Ponce Cement Plant Cemex de Puerto Rico | 5400001 | Stone | Nov 16, 1979 |
| Perry County, IL | Prairie Eagle-Underground Knight Hawk Coal, LLC | 1103147 | Coal | Aug 2, 2006 |
| Adams County, IL | Quincy Plant Huber Carbonates, LLC | 1102627 | Stone | Nov 20, 2009 |
| Clay County, MO | Randolph Deep Mine Martin Marietta Kansas City, LLC | 2302308 | Stone | Mar 10, 2005 |
| Pennington County, SD | Rapid City Quarry & Mill Pete Lien & Sons Inc | 3900020 | Stone | Mar 12, 1979 |
| Campbell County, WY | Rawhide Mine Peabody Caballo Mining, LLC | 4800993 | Coal | Nov 9, 2001 |
| Gila County, AZ | RAY MINE Asarco LLC | 0200150 | Metal | Jul 20, 1988 |
| Northwest Arctic County, AK | Red Dog Operations Teck Alaska Inc | 5001545 | Metal | Mar 16, 1988 |
| Choctaw County, MS | Red Hills Mine Mississippi Lignite Mining Company | 2200690 | Coal | Dec 11, 1999 |
| Jefferson County, GA | REEDY CREEK DIV. PLANT Thiele Kaolin Company | 0900901 | Nonmetal | Mar 29, 1979 |
| Pershing County, NV | Relief Canyon Mine Gold Acquisition Corp. | 2602657 | Metal | Oct 22, 2019 |
| Fayette County, WV | Republic Energy Republic Energy, LLC | 4609054 | Coal | Oct 1, 2004 |
| Pinal County, AZ | Resolution Mine Resolution Copper Mining LLC | 0200152 | Metal | Dec 13, 2016 |
| Pima County, AZ | RILLITO PLANT CalPortland Company | 0201138 | Stone | Aug 18, 1972 |
| Union County, KY | RIVER VIEW MINE RIVER VIEW COAL LLC | 1519374 | Coal | Aug 17, 2009 |
| Wyoming County, WV | ROAD FORK #52 MINE SPARTAN MINING COMPANY, LLC | 4609522 | Coal | Jul 6, 2020 |
| Botetourt County, VA | ROANOKE CEMENT COMPANY Roanoke Cement Co., LLC | 4400068 | Stone | Mar 28, 1979 |
| Eureka County, NV | Roaster Operations Nevada Gold Mines LLC | 2602673 | Metal | Apr 30, 2009 |
| White Pine County, NV | Robinson Operation Robinson Nevada Mining Company | 2601916 | Metal | Aug 22, 2004 |
| Pershing County, NV | Rochester Mine Coeur Rochester, Inc. | 2601941 | Metal | Oct 21, 1985 |
| Nicholas County, WV | Rolling Thunder Mine Nicholas-Contura, LLC | 4609111 | Coal | Apr 22, 2025 |
| Rosebud County, MT | Rosebud Mine & Crusher/Conveyor Westmoreland Rosebud Mining LLC | 2401747 | Coal | Apr 1, 1968 |
| Kanawha County, WV | Samples Surface Mine Panther Creek Mining LLC | 4607178 | Coal | Apr 2, 2005 |
| Atascosa County, TX | San Miguel Lignite Mine NACG Texas, Inc. | 4102840 | Coal | May 6, 1980 |
| Avery County, NC | Schoolhouse Quartz Plant Sibelco North America Inc. | 3100375 | Nonmetal | Jul 17, 1992 |
| Jefferson County, MO | Selma Plant Quarry & Mill River Cement Company dba Buzzi Unicem USA | 2300188 | Stone | Feb 15, 1973 |
| Walker County, AL | Shoal Creek Mine Peabody Southeast Mining, LLC | 0102901 | Coal | Jun 16, 2023 |
| Hamilton County, TN | Signal Mountain Cement Co Buzzi Unicem USA | 4000838 | Stone | May 11, 1973 |
| Apache County, AZ | Silica Services Mining, LLC | 0203270 | Nonmetal | Mar 1, 2022 |
| Pima County, AZ | SILVER BELL MINING LLC ASARCO LLC, a Delaware Limited Liability Company | 0200134 | Metal | Feb 24, 2026 |
| Thomas County, GA | Simpson Oil-Dri Georgia LLC | 0900114 | Nonmetal | Apr 12, 1973 |
| Guam County, GU | Smithbridge Guam Inc. | 6600018 | Sand and gravel | Nov 3, 2025 |
| Caribou County, ID | Smoky Canyon Mine J R Simplot Company | 1001590 | Nonmetal | Sep 7, 1982 |
| Nye County, NV | Smoky Valley Common Operations Round Mountain Gold Corporation | 2600594 | Metal | Sep 22, 1975 |
| Kern County, CA | Soledad Mountain Project Golden Queen Mining Company | 0405319 | Metal | Jan 4, 2016 |
| Eureka County, NV | South Area Nevada Gold Mines LLC | 2600500 | Metal | Feb 13, 1990 |
| Polk County, FL | South Fort Meade Mine Mosaic Fertilizer, LLC | 0801183 | Nonmetal | May 1, 1996 |
| Iron County, MO | SPECIALTY GRANULES LLC-ANNAPOLIS QUARRY Specialty Granules LLC | 2300288 | Stone | May 20, 1974 |
| Kanawha County, WV | Speed Mine Panther Creek Mining LLC | 4605437 | Coal | Sep 8, 2020 |
| Big Horn County, MT | Spring Creek Mine Navajo Transitional Energy Company, LLC | 2401457 | Coal | Dec 12, 1980 |
Alphabetical order — this site ranks no one. Mines that are not abandoned in the MSHA file of October 2, 2026. Sole proprietors are found by mine ID only. How to read this.