ALL STATUSES / CONTROLLER PORTFOLIO

Martin Marietta Materials Inc

Membership and operating status are from the latest MSHA Mines snapshot. Open a mine for its ownership history.

MSHA CONTROLLER IDM00174

MINE PORTFOLIO

720 of 720 mines and facilities

2025-01-01 – 2026-10-18. All statuses records; production reporting is not required.

Material, method and type filters apply to this table. The portfolio’s status applies to the entire page. GEM fields describe their own release, not the selected MSHA year.

Mine	Location / type	Hours worked	Violations	Accident records	On-site inspection hours
211 QUARRY4103829 · Active6/8 quarters reported	Bexar, TXSurface · MSHA: Crushed, Broken Limestone NEC	20,983	1	0	26.0
ABINGDON QUARRY4400003 · Active6/8 quarters reported	Washington, VASurface · MSHA: Crushed, Broken Limestone NEC	36,090	3	0	130.0
Alden Portable Plant #21302033 · Active6/8 quarters reported	Hardin, IASurface · MSHA: Crushed, Broken Limestone NEC	30,517	3	0	17.3
Alden Portable Sand1302037 · Active6/8 quarters reported	Hardin, IASurface · MSHA: Construction Sand and Gravel	5,705	1	0	13.8
Alden Portable Wash1302122 · Intermittent6/8 quarters reported	Hardin, IASurface · MSHA: Crushed, Broken Limestone NEC	1,560	1	0	9.8
Alden Quarry and Shop1300228 · Active6/8 quarters reported	Hardin, IASurface · MSHA: Crushed, Broken Limestone NEC	67,612	5	0	63.3
Allsboro Quarry & Mill0102014 · Active6/8 quarters reported	Colbert, ALSurface · MSHA: Crushed, Broken Limestone NEC	54,547	3	1	28.3
Amargosa Quarry and Plant2601043 · Active6/8 quarters reported	Nye, NVSurface · MSHA: Clay, Ceramic, Refractory Mnls.	148,847	15	1	27.3
Amelia Quarry4407372 · Intermittent6/8 quarters reported	Amelia, VASurface · MSHA: Crushed, Broken Stone NEC	2,691	0	0	16.0
American Stone Quarry3100189 · Active6/8 quarters reported	Orange, NCSurface · MSHA: Crushed, Broken Granite	18,759	1	0	30.0
AMES MINE1300014 · Active6/8 quarters reported	Story, IAUnderground · MSHA: Crushed, Broken Limestone NEC	258,902	47	0	448.8
Anderson Creek Quarry4402963 · Active6/8 quarters reported	Goochland, VASurface · MSHA: Crushed, Broken Granite	41,563	3	2	120.3
Apex Quarry and Plant2600081 · Active6/8 quarters reported	Clark, NVSurface · MSHA: Lime	332,066	32	4	169.5
Appling Quarry0901083 · Active6/8 quarters reported	Columbia, GASurface · MSHA: Crushed, Broken Granite	35,996	3	0	38.8
ARROWOOD3100059 · Active6/8 quarters reported	Mecklenburg, NCSurface · MSHA: Crushed, Broken Granite	93,206	16	1	205.8
ASHEBORO3100066 · Active6/8 quarters reported	Randolph, NCSurface · MSHA: Crushed, Broken Granite	35,596	0	0	37.0
Astec Portable1401807 · Intermittent6/8 quarters reported	Linn, KSSurface · MSHA: Crushed, Broken Limestone NEC	2,708	0	1	2.5
Auburn Quarry0100006 · Active6/8 quarters reported	Lee, ALSurface · MSHA: Crushed, Broken Limestone NEC	43,077	0	0	14.8
AUBURN QUARRY0900436 · Active6/8 quarters reported	Barrow, GASurface · MSHA: Crushed, Broken Granite	46,421	2	0	58.5
Augusta Quarry0900065 · Active6/8 quarters reported	Richmond, GASurface · MSHA: Crushed, Broken Sandstone	120,344	5	1	108.0
Auxvasse South Quarry2302009 · Active6/8 quarters reported	Callaway, MOSurface · MSHA: Crushed, Broken Limestone NEC	45,786	8	0	48.3
BAKERS QUARRY3100071 · Active6/8 quarters reported	Union, NCSurface · MSHA: Crushed, Broken Limestone NEC	32,833	1	0	47.5
BALLGROUND MINE SITE0900955 · Active6/8 quarters reported	Cherokee, GASurface · MSHA: Crushed, Broken Stone NEC	82,563	1	0	76.3
Barnhart Quarry2302469 · Active6/8 quarters reported	Jefferson, MOSurface · MSHA: Crushed, Broken Limestone NEC	102,964	9	1	55.3
Beckmann Quarry4101335 · Active6/8 quarters reported	Bexar, TXSurface · MSHA: Crushed, Broken Limestone NEC	164,072	11	1	94.3
Bedrock Plant4103283 · Active6/8 quarters reported	Kerr, TXSurface · MSHA: Construction Sand and Gravel	26,550	1	0	30.5
BELGRADE QUARRY3100064 · Active6/8 quarters reported	Onslow, NCSurface · MSHA: Crushed, Broken Limestone NEC	62,122	0	0	56.0
Bells/Savoy Aggregate Operations4104019 · Active6/8 quarters reported	Fannin, TXSurface · MSHA: Construction Sand and Gravel	73,554	13	1	62.5
Belmont Sand & Gravel1201911 · Active6/8 quarters reported	Marion, INSurface · MSHA: Construction Sand and Gravel	27,691	2	0	32.3
Benson Quarry3101979 · Active6/8 quarters reported	Johnston, NCSurface · MSHA: Crushed, Broken Granite	105,789	1	0	49.3
Berkeley Quarry3800072 · Active6/8 quarters reported	Berkeley, SCSurface · MSHA: Crushed, Broken Limestone NEC	81,550	10	0	118.5
BESSEMER CITY QUARRY3101105 · Active6/8 quarters reported	Gaston, NCSurface · MSHA: Crushed, Broken Granite	6,214	0	1	35.8
Big Springs Quarry2300951 · Intermittent6/8 quarters reported	Montgomery, MOSurface · MSHA: Crushed, Broken Limestone NEC	2,657	0	0	15.0
Black Rock Quarry & Plant0300011 · Active6/8 quarters reported	Lawrence, ARSurface · MSHA: Crushed, Broken Limestone NEC	36,700	6	0	41.5
Black Spur Quarry4104159 · Active6/8 quarters reported	Uvalde, TXSurface · MSHA: Crushed, Broken Limestone NEC	92,958	2	0	62.3
Bluff City Mine1100122 · Active6/8 quarters reported	Madison, ILUnderground · MSHA: Crushed, Broken Limestone NEC	190,731	27	5	257.0
Bonds Gravel Pit3101963 · Active6/8 quarters reported	Cabarrus, NCSurface · MSHA: Crushed, Broken Sandstone	40,115	1	0	39.0
Boonsboro Quarry1800024 · Active6/8 quarters reported	Washington, MDSurface · MSHA: Crushed, Broken Limestone NEC	25,065	1	0	40.0
Boonville Quarry2300097 · Active6/8 quarters reported	Cooper, MOSurface · MSHA: Crushed, Broken Limestone NEC	15,252	2	0	33.0
Bowling Green North Quarry1500065 · Active6/8 quarters reported	Warren, KYSurface · MSHA: Crushed, Broken Stone NEC	25,628	9	0	141.5
Bowling Green South Quarry1500025 · Active6/8 quarters reported	Warren, KYSurface · MSHA: Crushed, Broken Limestone NEC	35,074	10	0	167.3
Bridgeport Stone Plant4100007 · Active6/8 quarters reported	Wise, TXSurface · MSHA: Crushed, Broken Limestone NEC	226,416	15	1	150.3
Broken Bow Sand & Gravel3400460 · Active6/8 quarters reported	Mccurtain, OKSurface · MSHA: Construction Sand and Gravel	39,151	4	0	40.5
BUILDEX2300319 · Active6/8 quarters reported	Platte, MOSurface · MSHA: Common Shale	71,945	18	3	69.8
Burlington Quarry3100042 · Active6/8 quarters reported	Alamance, NCSurface · MSHA: Crushed, Broken Granite	45,188	5	0	48.0
BURNING SPRINGS MINE4608862 · Active6/8 quarters reported	Wood, WVUnderground · MSHA: Crushed, Broken Limestone NEC	69,454	0	1	223.3
CALDWELL QUARRY3101869 · Active6/8 quarters reported	Caldwell, NCSurface · MSHA: Crushed, Broken Granite	6,208	0	0	43.8
Calhoun Quarry4003395 · Active6/8 quarters reported	Mcminn, TNSurface · MSHA: Crushed, Broken Limestone NEC	12,282	0	0	38.5
Calhoun Sand3800716 · Active6/8 quarters reported	Lexington, SCSurface · MSHA: Sand, Common	34,011	1	0	53.3
Carmel Sand & Gravel1202124 · Active6/8 quarters reported	Hamilton, INSurface · MSHA: Construction Sand and Gravel	21,537	6	0	48.3
Castle Hayne Quarry3100063 · Active6/8 quarters reported	New Hanover, NCSurface · MSHA: Crushed, Broken Limestone NEC	83,721	0	2	59.0
CAYCE QUARRY3800016 · Active6/8 quarters reported	Lexington, SCSurface · MSHA: Crushed, Broken Granite	89,025	13	4	107.0
Cedar Rapids Quarry1300122 · Active6/8 quarters reported	Linn, IASurface · MSHA: Crushed, Broken Limestone NEC	34,779	0	0	29.0
Cedarville Limestone3304072 · Active6/8 quarters reported	Greene, OHSurface · MSHA: Crushed, Broken Limestone NEC	24,245	2	0	50.8
CENTRAL ROCK QUARRY3100050 · Active6/8 quarters reported	Guilford, NCSurface · MSHA: Crushed, Broken Granite	43,748	3	0	58.8
Champ Quarry2300220 · Active6/8 quarters reported	St Louis, MOSurface · MSHA: Crushed, Broken Limestone NEC	175,828	5	3	74.0
CHARLOTTE QUARRY3100057 · Active6/8 quarters reported	Mecklenburg, NCSurface · MSHA: Crushed, Broken Granite	88,440	0	2	72.0
Chattanooga Quarry4003159 · Active6/8 quarters reported	Hamilton, TNSurface · MSHA: Crushed, Broken Limestone NEC	42,346	1	2	85.0
CHESTERFIELD QUARRY3800682 · Active3/8 quarters reported	Chesterfield, SCSurface · MSHA: Crushed, Broken Stone NEC	2,785	13	0	28.5
Churchville Quarry1800012 · Active6/8 quarters reported	Harford, MDSurface · MSHA: Dimension Stone NEC	62,347	1	1	42.0
Clarkdale Plant #240202524 · Active6/8 quarters reported	Yavapai, AZSurface · MSHA: Construction Sand and Gravel	27,283	2	0	22.8
CLARKS QUARRY3102009 · Active6/8 quarters reported	Craven, NCSurface · MSHA: Crushed, Broken Limestone NEC	93,344	2	0	68.0
Clayton Aggregates0400159 · Active6/8 quarters reported	Contra Costa, CASurface · MSHA: Crushed, Broken Stone NEC	53,434	6	0	44.0
Clifton Plant4100013 · Active6/8 quarters reported	Bosque, TXSurface · MSHA: Lime	264,596	47	5	153.5
Cloverdale Quarry1201744 · Active6/8 quarters reported	Putnam, INSurface · MSHA: Crushed, Broken Limestone NEC	35,759	4	0	52.3
Columbia West Quarry2300022 · Active6/8 quarters reported	Boone, MOSurface · MSHA: Crushed, Broken Limestone NEC	62,371	12	0	38.3
Cook Road3304534 · Intermittent6/8 quarters reported	Greene, OHSurface · MSHA: Construction Sand and Gravel	9,377	0	0	35.3
Coolidge Plant 650203173 · Active6/8 quarters reported	Pinal, AZSurface · MSHA: Construction Sand and Gravel	44,489	0	0	18.0
COY STONE PLANT ADDITION4002465 · Active6/8 quarters reported	Jefferson, TNSurface · MSHA: Crushed, Broken Limestone NEC	6,115	2	0	37.0
Crab Orchard Mine and Mill4000087 · Active6/8 quarters reported	Cumberland, TNUnderground · MSHA: Crushed, Broken Limestone NEC	199,726	14	1	426.3
Cumberland Quarry1500037 · Active6/8 quarters reported	Letcher, KYSurface · MSHA: Crushed, Broken Limestone NEC	2,788	1	0	40.8
Cumming Mine Site0900460 · Active6/8 quarters reported	Forsyth, GASurface · MSHA: Crushed, Broken Stone NEC	72,645	7	1	116.8
Davis Quarry3401299 · Active6/8 quarters reported	Murray, OKSurface · MSHA: Crushed, Broken Limestone NEC	92,576	11	0	56.0
Denver Quarry3101971 · Active6/8 quarters reported	Lincoln, NCSurface · MSHA: Crushed, Broken Granite	28,452	11	1	65.8
Des Moines Portable #11300150 · Active6/8 quarters reported	Madison, IASurface · MSHA: Crushed, Broken Limestone NEC	59,239	6	0	55.8
De Soto Sand1401302 · Active6/8 quarters reported	Johnson, KSSurface · MSHA: Construction Sand and Gravel	12,456	0	0	14.3
DOSWELL QUARRY4400045 · Active6/8 quarters reported	Hanover, VASurface · MSHA: Crushed, Broken Granite	72,625	5	3	78.3
DOUGLAS PLANT0200022 · Active6/8 quarters reported	Cochise, AZSurface · MSHA: Lime	6,354	0	0	14.0
DOUGLASVILLE MINE SITE0900024 · Active6/8 quarters reported	Douglas, GASurface · MSHA: Crushed, Broken Stone NEC	48,745	3	0	57.3
DSM Portable Sand1302504 · Active6/8 quarters reported	Marshall, IASurface · MSHA: Construction Sand and Gravel	23,252	7	2	25.8
DuBois Quarry2501046 · Active6/8 quarters reported	Pawnee, NESurface · MSHA: Crushed, Broken Limestone NEC	30,596	6	1	32.8
Durham Mine & Mill1301225 · Active6/8 quarters reported	Marion, IAUnderground · MSHA: Crushed, Broken Limestone NEC	103,844	8	1	205.3
EAGLE VALLEY AGGREGATES0404758 · Active6/8 quarters reported	Riverside, CASurface · MSHA: Construction Sand and Gravel	74,349	2	0	56.8
EARLHAM GRADING CREW1301778 · Intermittent6/8 quarters reported	Madison, IASurface · MSHA: Crushed, Broken Limestone NEC	4,252	1	0	19.5
Earlham Quarry1302123 · Active6/8 quarters reported	Madison, IASurface · MSHA: Crushed, Broken Limestone NEC	35,454	7	1	43.5
East Alamance Quarry3102021 · Active6/8 quarters reported	Alamance, NCSurface · MSHA: Crushed, Broken Limestone NEC	23,766	8	1	55.8
Edgefield Quarry3800738 · Active6/8 quarters reported	Edgefield, SCSurface · MSHA: Crushed, Broken Granite	48,435	4	1	52.5
ELIZABETHTON QUARRY4003075 · Active6/8 quarters reported	Carter, TNSurface · MSHA: Crushed, Broken Stone NEC	18,041	1	0	40.0
Elk River South Pit2101218 · Intermittent6/8 quarters reported	Sherburne, MNSurface · MSHA: Construction Sand and Gravel	11,737	0	0	17.8
E-Town S&G - 4603304279 · Active6/8 quarters reported	Hamilton, OHSurface · MSHA: Construction Sand and Gravel	13,703	2	1	75.0
Eudora Quarry1401609 · Active6/8 quarters reported	Douglas, KSSurface · MSHA: Crushed, Broken Limestone NEC	32,883	5	0	24.0
FAIRFIELD GRAVEL3301396 · Active6/8 quarters reported	Butler, OHSurface · MSHA: Construction Sand and Gravel	39,144	4	0	122.0
Fast Pack 2 Portable 22302403 · Active6/8 quarters reported	Jefferson, MOSurface · MSHA: Crushed, Broken Limestone NEC	61,981	0	0	51.0
Ferguson Quarry1300124 · Active6/8 quarters reported	Marshall, IASurface · MSHA: Crushed, Broken Limestone NEC	23,168	3	0	36.8
Forks of the River Quarry4001610 · Active6/8 quarters reported	Knox, TNSurface · MSHA: Crushed, Broken Limestone NEC	56,986	5	1	111.5
Fort Calhoun Underground Mine2501300 · Active6/8 quarters reported	Washington, NEUnderground · MSHA: Crushed, Broken Limestone NEC	289,271	37	4	378.0
Fort Dodge Mine1300032 · Active6/8 quarters reported	Webster, IAUnderground · MSHA: Crushed, Broken Limestone NEC	154,301	19	2	293.0
Fort Myers Quarry0801203 · Active6/8 quarters reported	Lee, FLSurface · MSHA: Crushed, Broken Limestone NEC	157,701	12	2	114.0
Fountain Quarry3100065 · Active6/8 quarters reported	Pitt, NCSurface · MSHA: Crushed, Broken Granite	99,684	7	0	82.3
FRANKLIN QUARRY3102130 · Active6/8 quarters reported	Franklin, NCSurface · MSHA: Crushed, Broken Granite	23,740	1	0	26.8

Production and hours sum available quarterly reports. — means unavailable; zero safety records means none in the selected imported period. Ownership reflects the current MSHA record.

LOCATION

Portfolio map

474 of 720 mines with usable MSHA coordinates. Select a marker to open a mine.

Mine coordinates

211 QUARRY29.55500, -98.80194Open map ↗
ABINGDON QUARRY36.69528, -81.98278Open map ↗
Alden Portable Plant #242.52028, -93.37611Open map ↗
Alden Portable Sand42.52167, -93.27444Open map ↗
Alden Portable Wash42.51444, -93.51139Open map ↗
Alden Quarry and Shop42.52167, -93.27444Open map ↗
Allsboro Quarry & Mill34.72611, -88.11694Open map ↗
Amargosa Quarry and Plant36.45000, -116.46972Open map ↗
Amelia Quarry37.37083, -77.92361Open map ↗
American Stone Quarry35.93222, -79.15056Open map ↗
AMES MINE42.06556, -93.60139Open map ↗
Anderson Creek Quarry37.69139, -77.67111Open map ↗
Apex Quarry and Plant36.35722, -114.91028Open map ↗
Appling Quarry33.51805, -82.23639Open map ↗
ARROWOOD35.10694, -80.92306Open map ↗
ASHEBORO35.77111, -79.82639Open map ↗
Astec Portable39.45583, -95.93833Open map ↗
Auburn Quarry32.53056, -85.47056Open map ↗
AUBURN QUARRY34.02833, -83.82528Open map ↗
Augusta Quarry33.51067, -82.09518Open map ↗
Auxvasse South Quarry38.99556, -91.89833Open map ↗
BAKERS QUARRY35.02750, -80.60389Open map ↗
BALLGROUND MINE SITE34.36861, -84.36972Open map ↗
Barnhart Quarry38.33306, -90.38000Open map ↗
Beckmann Quarry29.60694, -98.57722Open map ↗
Bedrock Plant29.91806, -99.03500Open map ↗
BELGRADE QUARRY34.89167, -77.23372Open map ↗
Bells/Savoy Aggregate Operations33.68306, -96.33250Open map ↗
Belmont Sand & Gravel39.68472, -86.20194Open map ↗
Benson Quarry35.02139, -78.89500Open map ↗
Berkeley Quarry33.36028, -80.23917Open map ↗
BESSEMER CITY QUARRY35.34694, -81.31250Open map ↗
Big Springs Quarry38.83833, -91.48722Open map ↗
Black Rock Quarry & Plant36.12417, -91.26194Open map ↗
Black Spur Quarry29.18861, -100.03139Open map ↗
Bluff City Mine38.90694, -90.12222Open map ↗
Bonds Gravel Pit35.37917, -80.69889Open map ↗
Boonsboro Quarry39.55056, -77.66250Open map ↗
Boonville Quarry38.89889, -92.77750Open map ↗
Bowling Green North Quarry37.05056, -86.32972Open map ↗
Bowling Green South Quarry37.01472, -86.47778Open map ↗
Bridgeport Stone Plant33.21000, -97.75472Open map ↗
Broken Bow Sand & Gravel34.05361, -94.54694Open map ↗
BUILDEX39.52972, -94.79778Open map ↗
Burlington Quarry36.05556, -79.50722Open map ↗
BURNING SPRINGS MINE39.26444, -81.26444Open map ↗
CALDWELL QUARRY35.87944, -81.55611Open map ↗
Calhoun Quarry35.30139, -84.71806Open map ↗
Calhoun Sand33.87917, -81.03806Open map ↗
Carmel Sand & Gravel39.94667, -86.07194Open map ↗
Castle Hayne Quarry34.35694, -77.86417Open map ↗
CAYCE QUARRY33.97444, -81.05194Open map ↗
Cedar Rapids Quarry41.88889, -91.57889Open map ↗
Cedarville Limestone39.73833, -83.78333Open map ↗
CENTRAL ROCK QUARRY36.00854, -79.74882Open map ↗
Champ Quarry38.74111, -90.46861Open map ↗
CHARLOTTE QUARRY35.29722, -80.85583Open map ↗
Chattanooga Quarry35.06917, -85.18917Open map ↗
CHESTERFIELD QUARRY34.59611, -80.37167Open map ↗
Churchville Quarry39.52528, -76.26056Open map ↗
Clarkdale Plant #2434.76944, -112.07417Open map ↗
CLARKS QUARRY35.15056, -77.15167Open map ↗
Clayton Aggregates37.93667, -121.95722Open map ↗
Clifton Plant31.89111, -97.41611Open map ↗
Cloverdale Quarry39.54361, -86.80861Open map ↗
Columbia West Quarry38.98667, -92.37500Open map ↗
Cook Road39.60278, -84.01750Open map ↗
Coolidge Plant 6533.02333, -111.49083Open map ↗
COY STONE PLANT ADDITION36.11944, -83.47889Open map ↗
Crab Orchard Mine and Mill35.90722, -84.87528Open map ↗
Cumberland Quarry36.97972, -83.11139Open map ↗
Cumming Mine Site34.14278, -84.19222Open map ↗
Davis Quarry34.50444, -97.11944Open map ↗
Denver Quarry35.49028, -81.00028Open map ↗
Des Moines Portable #141.07778, -96.08083Open map ↗
De Soto Sand38.98528, -94.92722Open map ↗
DOSWELL QUARRY37.88250, -77.50917Open map ↗
DOUGLAS PLANT31.36861, -109.73278Open map ↗
DOUGLASVILLE MINE SITE33.75328, -84.74337Open map ↗
DSM Portable Sand41.30500, -92.88500Open map ↗
DuBois Quarry40.03472, -96.04833Open map ↗
Durham Mine & Mill41.31861, -92.95028Open map ↗
EAGLE VALLEY AGGREGATES33.84500, -117.51056Open map ↗
EARLHAM GRADING CREW41.28472, -92.87556Open map ↗
Earlham Quarry41.48167, -94.09472Open map ↗
East Alamance Quarry36.12612, -79.34757Open map ↗
Edgefield Quarry33.75283, -81.89106Open map ↗
ELIZABETHTON QUARRY36.37667, -82.18639Open map ↗
Elk River South Pit45.08583, -93.43111Open map ↗
E-Town S&G - 46039.16028, -84.79389Open map ↗
Eudora Quarry39.07972, -95.38972Open map ↗
FAIRFIELD GRAVEL39.33500, -84.59972Open map ↗
Fast Pack 2 Portable 238.73472, -90.46389Open map ↗
Ferguson Quarry41.93528, -92.84361Open map ↗
Forks of the River Quarry35.98056, -83.82528Open map ↗
Fort Calhoun Underground Mine41.47389, -96.01250Open map ↗
Fort Dodge Mine42.50306, -94.22583Open map ↗
Fort Myers Quarry26.47444, -81.70972Open map ↗
Fountain Quarry35.65111, -77.65194Open map ↗
FRANKLIN QUARRY36.07278, -78.49750Open map ↗
FREDERICK QUARRY39.40500, -77.39444Open map ↗
Fuquay Quarry35.57361, -78.86778Open map ↗
Garfield Sand & Gravel30.19417, -97.58222Open map ↗
Garner Quarry35.70572, -78.57313Open map ↗
GARWOOD PLANT29.85472, -96.72694Open map ↗
Georgetown II Quarry33.25917, -79.65750Open map ↗
Gilliam Quarry39.23306, -93.00472Open map ↗
Glasgow Quarry39.12972, -92.91083Open map ↗
Granite Canyon Quarry41.10111, -105.17333Open map ↗
Grantville Quarry39.06861, -95.32000Open map ↗
Greenback Quarry35.71306, -84.20250Open map ↗
Greensboro Portable Plant 135.87806, -81.55500Open map ↗
GREENWOOD QUARRY38.85167, -94.34389Open map ↗
Guernsey Quarry42.27278, -104.72611Open map ↗
Harlan Quarry36.92389, -83.36583Open map ↗
Hartford Quarry37.53194, -86.79278Open map ↗
Hassayampa Plant #4633.29333, -112.28500Open map ↗
HATTON QUARRY34.34222, -94.35083Open map ↗
Henry County Mines & Mill36.23222, -88.38806Open map ↗
HICKORY QUARRY35.71722, -81.30250Open map ↗
HOMER QUARRY34.32944, -83.51417Open map ↗
Hughson Aggregates37.61528, -120.82361Open map ↗
HUGO34.09194, -95.53917Open map ↗
Hunter Stone29.79750, -98.03917Open map ↗
Huntsville Quarry39.44056, -92.54528Open map ↗
I-75 QUARRY36.11000, -84.02056Open map ↗
Idabel33.92083, -94.77722Open map ↗
Iowa Grading 241.91833, -91.52361Open map ↗
Iron Mountain Quarry37.69528, -90.64028Open map ↗
Irwindale Aggregates34.11111, -117.97361Open map ↗
Jamestown35.96643, -79.91766Open map ↗
Jeff City Quarry38.50306, -92.26917Open map ↗
Jones Mill Quarry34.40750, -92.82222Open map ↗
Junction City Quarry32.61972, -84.48694Open map ↗
KANNAPOLIS QUARRY35.52083, -80.57889Open map ↗
Kasota Davis Pit44.29611, -93.95250Open map ↗
Kent Sand & Gravel Quarry39.34222, -75.81306Open map ↗
Kentucky Avenue Mine39.72417, -86.20833Open map ↗
Kings Mountain Plant35.22583, -81.33444Open map ↗
Kokomo Mine40.46889, -86.17306Open map ↗
Kokomo Quarry40.46917, -86.16972Open map ↗
LaCygne Quarry39.07972, -95.38972Open map ↗
LAKESIDE - VIGILANTE AGGREGATES32.90639, -116.94194Open map ↗
Leavenworth Quarry39.07972, -95.38972Open map ↗
Lebanon Quarry & Mill36.13861, -86.31972Open map ↗
Lemon Springs Quarry35.40889, -79.21083Open map ↗
Linn County Sand41.94000, -91.56917Open map ↗
Lippman Rip Rap39.07972, -95.38972Open map ↗
Lithonia Quarry33.74833, -84.07694Open map ↗
Loamy Sand and Gravel34.52389, -80.37250Open map ↗
Locust Mount Quarry36.34500, -82.57250Open map ↗
Lone Elm Quarry39.07583, -95.39333Open map ↗
Lotawana Quarry38.91361, -94.40250Open map ↗
Louisburg Quarry38.67889, -94.68667Open map ↗
Lowell Mine & Mill29.31944, -82.19611Open map ↗
MAIDEN QUARRY35.58750, -81.24000Open map ↗
Maitri Sand and Gravel33.75750, -117.48306Open map ↗
Malcom Mine41.76028, -92.59694Open map ↗
Mallard Creek Quarry35.32167, -80.72806Open map ↗
Maple Grove Pit45.08583, -93.43111Open map ↗
Marshall Quarry39.12306, -93.19694Open map ↗
martin marietta - blue ridge quarry37.38694, -79.79444Open map ↗
Martin Marietta - Fieldale Quarry36.68833, -79.93889Open map ↗
Martin Marietta - Gabbs Mine38.88583, -117.64361Open map ↗
Martin Marietta-Lawyers Rd. Quarry37.31083, -79.19694Open map ↗
Martin Marietta Merkel Plant32.47056, -100.01278Open map ↗
Martin Marietta-Mt. Athos Quarry37.39278, -79.04028Open map ↗
Martin Marietta - Piney River Quarry37.70056, -79.04917Open map ↗
MARTIN MARIETTA - RICH PATCH QUARRY37.77389, -79.89472Open map ↗
Martin Marietta Slaton Plant33.43722, -101.64361Open map ↗
Martin Marietta - Woodville Lime & Stone41.46444, -83.45083Open map ↗
Matthews Quarry35.13583, -80.71583Open map ↗
Maylene Plant & Quarry33.19389, -86.85944Open map ↗
Medford Quarry39.54750, -77.05306Open map ↗
Medina Rock & Rail29.38861, -99.24389Open map ↗
Merced Aggregates37.34722, -120.50778Open map ↗
Miami Quarry39.32694, -93.08444Open map ↗
Midlothian Quarry37.43556, -77.62167Open map ↗
MIDWAY QUARRY36.06806, -83.71583Open map ↗
Milford Quarry38.39694, -113.01083Open map ↗
Mill Creek34.40417, -96.82639Open map ↗
Mill Creek Limestone Quarry34.40417, -96.82639Open map ↗
Millersburg Quarry38.85056, -91.94611Open map ↗
Missouri Portable #539.57833, -94.70278Open map ↗
MN Portable #1044.18556, -93.99556Open map ↗
MN Portable #245.37222, -93.56500Open map ↗
MN Portable #345.08583, -93.43111Open map ↗
MN Portable #445.13806, -94.11389Open map ↗
MN Portable #645.73806, -93.64750Open map ↗
MN Portable #745.08583, -93.43111Open map ↗
MN Portable #845.08583, -93.43111Open map ↗
MN Portable #944.08500, -93.06028Open map ↗
MN Reclamation Crew45.12333, -93.41222Open map ↗
Monterey Sand36.12722, -85.34333Open map ↗
Moore Quarry42.75250, -94.46278Open map ↗
Morgan County Quarry33.56111, -83.36194Open map ↗
Murfreesboro Quarry & Mill35.87500, -86.33778Open map ↗
NATIVIDAD PLANT36.74694, -121.60333Open map ↗
Nelson Quarry & Plant35.45917, -113.61444Open map ↗
New Braunfels Plant29.68028, -98.17861Open map ↗
New Melle Mine38.67750, -90.88472Open map ↗
New Miami Plant39.45833, -84.53806Open map ↗
Newton County Quarry33.62444, -83.89083Open map ↗
New Ulm Quarry44.28917, -94.41194Open map ↗
Noblesville Sand & Gravel40.01111, -86.03333Open map ↗
Noblesville Stone40.01028, -86.03667Open map ↗
North Austin Quarry30.73722, -97.67056Open map ↗
NORTH BRIDGEPORT QUARRY33.29722, -97.80917Open map ↗
North Columbia Quarry34.08083, -81.06722Open map ↗
North East Quarry39.63472, -75.93083Open map ↗
Northern Portable Plant #2141.15111, -105.54889Open map ↗
North Huntsville Quarry & Mill34.77861, -86.64333Open map ↗
North Valley Sand41.35556, -96.40639Open map ↗
Ohio District Portable Screen (1900496)36.14056, -86.44139Open map ↗
Olathe Quarry38.84000, -94.86111Open map ↗
Old Charleston Sand33.84222, -81.31444Open map ↗
Onaga Quarry39.07972, -95.38972Open map ↗
O'Neal Quarry33.16694, -86.75389Open map ↗
O'Neal Quarry & Mill33.17778, -86.75889Open map ↗
Onslow Quarry34.84000, -77.54056Open map ↗
Ottawa Quarry38.65222, -95.25639Open map ↗
Pacific Quarry48.38278, -122.30028Open map ↗
Palmetto Sand Mine33.06444, -80.43278Open map ↗
Parsons Sand and Gravel40.45833, -104.82833Open map ↗
PAULDING QUARRY33.85528, -84.92889Open map ↗
Pedersen Quarry41.21778, -95.78444Open map ↗
Penrose Ranch Gravel Pit38.35389, -105.03028Open map ↗
Perkinsville Plant40.15361, -85.86194Open map ↗
Perry Quarry30.14944, -83.95972Open map ↗
Perryville Aggregates Plant #232.75611, -91.87222Open map ↗
Petersburg Sand39.05722, -84.87639Open map ↗
PHILLIPSBURG39.88639, -84.39000Open map ↗
Pier 92 Marine Aggregate37.74556, -122.37778Open map ↗
Pinesburg Quarry39.61750, -77.86611Open map ↗
Plant # 139.54278, -94.40361Open map ↗
Plant #6539.94167, -94.83028Open map ↗
Plant #8039.75333, -94.24972Open map ↗
Plant #8139.75333, -94.24972Open map ↗
Plant #8339.75333, -94.24972Open map ↗
PLANT #85441.07778, -96.08083Open map ↗
Platte Sand and Gravel40.26167, -104.85694Open map ↗
POMONA36.06083, -79.92556Open map ↗
Portable Crusher #226.46389, -98.15917Open map ↗
Poteet Sand Plant29.22556, -98.58444Open map ↗
Putnam Quarry39.57278, -86.81556Open map ↗
Raccoon River Sand41.52833, -93.85556Open map ↗
Raleigh-Durham Quarry35.89972, -78.74694Open map ↗
Randolph Deep Mine39.15611, -94.49472Open map ↗
Red Canyon Quarry38.60139, -104.94750Open map ↗
RED HILL QUARRY37.93972, -78.58194Open map ↗
Red Oak Quarry33.60611, -84.49972Open map ↗
Reform Quarry38.84667, -91.94806Open map ↗
REIDSVILLE QUARRY36.37145, -79.73001Open map ↗
Rich Pit38.25972, -104.41306Open map ↗
Rio Medina29.53750, -98.87194Open map ↗
Riverbend Sand and Gravel40.03472, -104.81139Open map ↗
Rock Hill Quarry34.89444, -80.99917Open map ↗
Ruby Quarry32.92861, -83.49972Open map ↗
Salem Stone36.03722, -80.10389Open map ↗
SALISBURY PINK QUARRY35.63611, -80.41250Open map ↗
Sanger Aggregate Plant36.66917, -119.50722Open map ↗
San Pedro Quarry29.62028, -98.46556Open map ↗
Santa Margarita Aggregates35.41778, -120.57583Open map ↗
Santee Aggregates32.86806, -117.02694Open map ↗
SAWYER34.01361, -95.37167Open map ↗
Sawyer East Quarry34.11889, -95.34667Open map ↗
Saylorville Sand41.65917, -93.63889Open map ↗
SDI Aggregates LLC25.41861, -80.44417Open map ↗
Sedalia Quarry37.96417, -91.83194Open map ↗
Shamrock Sand & Gravel39.46361, -84.44944Open map ↗
Silver Lake West Sand39.07972, -95.77194Open map ↗
SISQUOC AGGREGATES34.86806, -120.28000Open map ↗
Six Mile Quarry34.25694, -85.16472Open map ↗
Smithson Valley Quarry29.72944, -98.39750Open map ↗
Smyrna Quarry & Mill36.00694, -86.44361Open map ↗
Snyder34.65222, -98.04194Open map ↗
South Portable Plant38.45694, -90.32639Open map ↗
Spec Agg Quarry39.70778, -105.20694Open map ↗
Stanberry Sand and Gravel40.21139, -94.53472Open map ↗
STATESVILLE QUARRY35.80444, -80.91306Open map ↗
St. Cloud Quarry45.55333, -94.23389Open map ↗
St. Marys Sand30.60139, -82.08472Open map ↗
Stoner Sand40.35694, -93.77056Open map ↗
Stones River Quarry35.80333, -86.14556Open map ↗
Sully Mine41.64778, -92.82194Open map ↗
Sunflower Quarry38.95667, -94.98083Open map ↗
Sunol Aggregates37.57583, -121.88028Open map ↗
Texas Quarry39.46389, -76.64389Open map ↗
Thomasville Quarry35.85389, -80.16028Open map ↗
Tidewater Oakland Marine Aggregate37.76444, -122.22222Open map ↗
TIN TOP SAND AND GRAVEL PLANT32.58722, -97.81750Open map ↗
Tory East Quarry38.90417, -90.91139Open map ↗
TRI-CITIES AIRPORT QUARRY36.49611, -82.42583Open map ↗
Troy Gravel40.01889, -84.19583Open map ↗
Troy West Quarry38.90861, -90.96611Open map ↗
Tyrone Quarry33.44278, -84.61611Open map ↗
UNICOI QUARRY36.24000, -82.30361Open map ↗
VANCE QUARRY33.18139, -87.21972Open map ↗
Walstrum Quarry39.74639, -105.43389Open map ↗
Warfordsburg Quarry39.75167, -78.17972Open map ↗
Warrenton Quarry33.38528, -82.63028Open map ↗
Washita Quarry34.47944, -97.15528Open map ↗
WATAUGA QUARRY36.36389, -82.28806Open map ↗
Waverly Sand & Gravel39.55556, -86.27306Open map ↗
Webberville S&G30.24750, -97.52139Open map ↗
Weeping Water Mine40.87111, -96.12083Open map ↗
West Center Sand41.23389, -96.33028Open map ↗
Wilson Quarry35.69889, -77.90639Open map ↗
Woodbine Quarry39.07972, -95.38972Open map ↗
Woodleaf Quarry35.77361, -80.59889Open map ↗
Xenia Sand & Gravel39.70389, -83.98361Open map ↗
YAVAPAI PLANT 2234.64306, -112.41444Open map ↗
Yellow Medicine Quarry44.81361, -95.55750Open map ↗
21129.56111, -98.79555Open map ↗
51 Sand and Gravel32.53556, -97.79861Open map ↗
51st Ave. Plant 3533.40833, -112.17250Open map ↗
Alabaster Quarry33.21500, -86.81083Open map ↗
Albany Quarry31.68690, -84.24590Open map ↗
Albany Sand and Gravel40.24861, -94.33111Open map ↗
Alden Portable Plant #142.52028, -93.39944Open map ↗
Alden Shop42.52028, -93.39944Open map ↗
Alexander Quarry35.91417, -81.07250Open map ↗
Altair Sand & Gravel29.45913, -96.52658Open map ↗
Apple Grove38.95278, -81.81333Open map ↗
APPLETON QUARRY37.58915, -89.70957Open map ↗
Bennett Alluvial39.81556, -104.39778Open map ↗
Big Springs Quarry #2710639.01715, -95.43426Open map ↗
Black Ankle Quarry35.49083, -79.78750Open map ↗
Blackstone Pit & Mill36.74750, -119.77163Open map ↗
Blue Mound Quarry39.62660, -93.55843Open map ↗
Blue Mount Quarry39.61083, -76.63389Open map ↗
Cabbage Grove Quarry30.14952, -83.95599Open map ↗
Camak Quarry33.47056, -82.50444Open map ↗
CARMEL CHURCH QUARRY37.95453, -77.45794Open map ↗
CEDAR RAPIDS SAND41.96417, -91.63945Open map ↗
Central Shop33.10419, -86.86393Open map ↗
CHICO QUARRY33.27567, -97.68667Open map ↗
CLAYTON COUNTY MINE SITE33.60861, -84.41194Open map ↗
CLODINE PIT29.65083, -95.71472Open map ↗
Cobey29.53750, -98.87194Open map ↗
Columbia East Quarry38.98500, -92.35194Open map ↗
Columbia North Quarry38.95167, -92.33417Open map ↗
Conners Plant31.63674, -96.61892Open map ↗
Crestmore Quarry34.03389, -117.39028Open map ↗
Crystal Pink Quarry35.63104, -80.39571Open map ↗
CRYSTAL SPRINGS31.97310, -90.33660Open map ↗
Cumberland Quarry35.21528, -78.93306Open map ↗
Decatur Sand Plant33.25071, -97.54061Open map ↗
DELIGHT PLANT33.68290, -94.14575Open map ↗
DOLEN PLANT #230.34959, -94.93847Open map ↗
DSM Portable 241.93750, -92.84361Open map ↗
Eagle Mills Plant33.83556, -92.39278Open map ↗
Edmund Sand33.85583, -81.20472Open map ↗
FAIRBORN GRAVEL39.86333, -84.04111Open map ↗
FERRIS NORTH PLANT32.52731, -96.65090Open map ↗
Foley Stay Pit45.21806, -93.55194Open map ↗
Fort Calhoun Stone East Quarry41.48917, -96.04556Open map ↗
FOUNTAIN PIT38.64944, -104.71000Open map ↗
FRANKLIN GRAVEL39.55611, -84.34556Open map ↗
GIESE SAND & GRAVEL43.10281, -93.80786Open map ↗
GLEN ROSE QUARRY34.47851, -92.75355Open map ↗
Gosport Stone39.36959, -86.68103Open map ↗
GRANTSVILLE QUARRY & PLANT40.61393, -112.54558Open map ↗
Grasselli Quarry36.10241, -83.54819Open map ↗
Greeley 35th Sand and Gravel40.44861, -104.73944Open map ↗
Green S & G Plant30.22944, -97.62083Open map ↗
Hamilton Gravel39.44651, -84.52433Open map ↗
Hancock Quarry39.71202, -78.20386Open map ↗
HARRISON GRAVEL39.24319, -84.77442Open map ↗
Harvell, Hartner, Dunnise30.87507, -90.73866Open map ↗
Hatchery39.86000, -104.91278Open map ↗
Helotes29.57806, -98.68972Open map ↗
HICONE Quarry36.17139, -79.70944Open map ↗
HIGHWAY 10 QUARRY39.16371, -94.47006Open map ↗
Hondo # 129.34750, -99.14139Open map ↗
Hondo #229.64667, -99.06167Open map ↗
Honest Ridge Plant31.61056, -96.63694Open map ↗
Houstonia Quarry38.90500, -93.23861Open map ↗
HUNTSVILLE PLANT31.66194, -96.47704Open map ↗
JEFFERSON QUARRY34.11694, -83.57250Open map ↗
Jena Aggregates Plant31.67722, -92.24333Open map ↗
Johnson County Sand and Gravel39.60472, -86.22389Open map ↗
KANSAS FALLS QUARRY38.97303, -97.01355Open map ↗
Kaskaskia Mine38.09972, -90.11111Open map ↗
Kasota Quarry44.18556, -93.99556Open map ↗
Kerrville Sand & Gravel29.98525, -99.10630Open map ↗
Kokomo Sand40.41917, -86.22222Open map ↗
Liberty Ranch30.19583, -94.76861Open map ↗
LYNCHBURG QUARRY-45939.25849, -83.74315Open map ↗
Marina Vista Plant38.02333, -122.12472Open map ↗
Marriottsville Quarry39.36500, -76.87750Open map ↗
Marshall Junction Quarry39.08579, -93.18455Open map ↗
MARSHALLTOWN SAND42.04944, -92.87111Open map ↗
Martin Marietta Materials Inc. Plant #1130.66877, -90.88584Open map ↗
Martin Marietta Materials Inc. Plant #530.66877, -90.88584Open map ↗
Martin Marietta Vealmoor Plant32.28750, -101.43389Open map ↗
Midway Quarry - Tunnel Project36.06639, -83.72000Open map ↗
MIDWESTERN QUARRY29.63272, -98.43633Open map ↗
Miramar Recycle32.87667, -117.13139Open map ↗
MN Portable #545.08583, -93.43111Open map ↗
Mustang39.54262, -119.63864Open map ↗
Newberry Springs Plant34.88806, -116.59111Open map ↗
New Braunfels Quarry29.68083, -98.17889Open map ↗
Northern Portable Plant #1038.07528, -103.91222Open map ↗
Northern Portable Plant #1139.70778, -105.20694Open map ↗
Northern Portable Plant #1140.58889, -105.13750Open map ↗
Northern Portable Plant #1240.61083, -105.11333Open map ↗
NORTHERN PORTABLE PLANT #1540.58889, -105.13750Open map ↗
Northern Portable Plant #1740.61083, -105.11333Open map ↗
Northern Portable Plant #1940.45833, -104.82833Open map ↗
NORTHERN PORTABLE PLANT #340.58889, -105.13750Open map ↗
Northern Portable Plant #440.58889, -105.13750Open map ↗
NORTHERN PORTABLE PLANT #440.61583, -105.11806Open map ↗
North Indianapolis Quarry & Mill39.92722, -86.08250Open map ↗
North Indianapolis Underground Quarry39.93056, -86.08806Open map ↗
North Marion Quarry #2711638.47389, -97.00389Open map ↗
Oakland East Sand39.07611, -95.60306Open map ↗
Oakland Sand Co37.79006, -122.25998Open map ↗
Owatonna Quarry44.11000, -93.23389Open map ↗
Parkdale Quarry38.48917, -105.39472Open map ↗
Parkville Quarry39.18833, -94.66250Open map ↗
Peculiar Mine38.71504, -94.46252Open map ↗
Peculiar Mine38.71504, -94.46252Open map ↗
PEDERNAL PLANT34.72463, -105.50784Open map ↗
Plant # 630.66877, -90.88584Open map ↗
Plant #930.66877, -90.88584Open map ↗
Portable #128.96056, -99.62278Open map ↗
Portable Plant 141.10111, -105.17333Open map ↗
Portable Plant #3-183 (Ohio Recycling)39.86333, -84.04111Open map ↗
PRESCOTT PLANT33.78126, -93.33103Open map ↗
Queen Creek Plant #4233.27111, -111.35611Open map ↗
Randolph Mine39.15598, -94.49536Open map ↗
Reasnor Sand41.72806, -93.25139Open map ↗
REASNOR SAND41.56130, -92.96882Open map ↗
Red River Sand & Gravel33.92587, -95.49723Open map ↗
Riverbend Quarry36.17167, -83.50667Open map ↗
RIVER RANCH PLANT 4033.51028, -112.32389Open map ↗
Rockdale Quarry39.68250, -77.84167Open map ↗
ROCKY POINT QUARRY34.42222, -77.86861Open map ↗
Rocky River Quarry35.28472, -80.57111Open map ↗
Ross Gravel39.32056, -84.63139Open map ↗
R&S Sand & Gravel34.26694, -88.19667Open map ↗
Salem Sand33.88611, -79.50917Open map ↗
Salisbury Shop35.62714, -80.51745Open map ↗
San Andreas Aggregates38.17917, -120.68250Open map ↗
San Francisco Sand37.74585, -122.38445Open map ↗
Sawyer - West34.03296, -95.35345Open map ↗
Shorter Plant32.41139, -85.96250Open map ↗
SIERRA BLANCA31.13034, -105.20532Open map ↗
Siler City Quarry35.66852, -79.38303Open map ↗
Slaughterhouse Aggregates32.90306, -116.95111Open map ↗
Springfield Quarry41.07805, -96.08028Open map ↗
Spring Plant30.12699, -95.36585Open map ↗
SPRING VALLEY - 34639.58306, -84.02556Open map ↗
Stafford Plant29.57244, -96.45700Open map ↗
Stamper Underground39.34667, -94.68028Open map ↗
Stanley Hornsby Dredge &Plant30.87507, -90.73866Open map ↗
Sturgeon Quarry39.17417, -92.35056Open map ↗
Sylacauga Plant33.14820, -86.28963Open map ↗
Tec Minerals Plant #729.53330, -96.31266Open map ↗
Tenmile Plant & Quarry42.72028, -111.88583Open map ↗
Tipton Quarry37.96417, -91.83194Open map ↗
Troy Plant34.24108, -96.75566Open map ↗
TXI Owen Plant30.22222, -97.50805Open map ↗
TXI Red River33.94752, -97.79712Open map ↗
Waterloo Sand41.28278, -96.33083Open map ↗
Waugh Plant32.39679, -86.04124Open map ↗
Westphalia Quarry38.35056, -92.09583Open map ↗
Wickenburg #1033.94028, -112.70055Open map ↗
WILLIS33.94085, -96.72328Open map ↗
Willis Portable34.44833, -96.85306Open map ↗
Wilmington Sand34.28306, -77.97167Open map ↗
Woodlands Plant30.17417, -95.39028Open map ↗
Woodworth Aggregates31.18139, -92.50611Open map ↗

Quarterly trends

2025 Q1 – 2026 Q4

JSON CSV

Database snapshot · 2026-10-18. All 720 mines listed under this controller were checked; 339 have reports in the available quarters. Totals use current ownership.

Coal production

reported short tons

2025 Q1 *0
2025 Q2 *0
2025 Q3 *0
2025 Q4 *0
2026 Q1 *0
2026 Q2 *0
2026 Q3—No usable value reported
2026 Q4 *—No usable value reported

Hours worked

18,371,407

reported employee hours

2025 Q1 *2,966,625
2025 Q2 *3,450,852
2025 Q3 *2,837,211
2025 Q4 *2,869,637
2026 Q1 *2,877,240
2026 Q2 *3,369,842
2026 Q3—No usable value reported
2026 Q4 *—No usable value reported

Tons per hour

0.00

production ÷ hours worked

2025 Q1 *0.00
2025 Q2 *0.00
2025 Q3 *0.00
2025 Q4 *0.00
2026 Q1 *0.00
2026 Q2 *0.00
2026 Q3—No usable value reported
2026 Q4 *—No usable value reported

Missing values appear as —. Totals use available reports. Tons per hour requires production and hours for the same quarters and a nonzero hours total. * Striped bars mark partial mine coverage or an incomplete quarter. See the table for coverage.

Quarterly data and reporting coverage

Quarterly production, employment and reporting coverage for Martin Marietta Materials Inc
Quarter	Coal (short tons)	Hours worked	Tons / hour	Avg. employees	Coverage
2025 Q1	0	2,966,625	0.00	5,621	331/339 mines reporting
2025 Q2	0	3,450,852	0.00	5,880	330/339 mines reporting
2025 Q3	0	2,837,211	0.00	5,977	329/339 mines reporting
2025 Q4	0	2,869,637	0.00	5,859	329/339 mines reporting
2026 Q1	0	2,877,240	0.00	5,861	331/339 mines reporting
2026 Q2	0	3,369,842	0.00	5,917	327/339 mines reporting
2026 Q3	—	—	—	—	No report
2026 Q4	—	—	—	—	No report

Safety and enforcement

2025-01-01 – 2026-10-18

Violations

1,796

198 significant & substantial (S&S)

2025 Q1252
2025 Q2296
2025 Q3185
2025 Q4231
2026 Q1264
2026 Q2271
2026 Q3255
2026 Q4 *42

Accident records

167

1 records classified as fatality

2025 Q128
2025 Q224
2025 Q328
2025 Q415
2026 Q127
2026 Q218
2026 Q327
2026 Q4 *0

Proposed penalties · USD

524,325.00

1,614 of 1,796 violations with amounts

2025 Q1103,820
2025 Q282,183
2025 Q358,795
2025 Q490,075
2026 Q195,798
2026 Q263,641
2026 Q330,013
2026 Q4 *—

On-site inspection hours

20,063.75

1,527 inspections · 1,527 with hours

2025 Q12,534.25
2025 Q23,227.00
2025 Q32,756.00
2025 Q42,691.75
2026 Q12,947.50
2026 Q23,151.50
2026 Q32,455.00
2026 Q4 *300.75

Counts are published records, including contractor records. * The quarter was incomplete at the snapshot date; recent counts may rise as reports arrive. — means no reported amount or hours. Portfolio totals use current membership.

Quarterly safety data

Quarter	Violations	S&S	Proposed USD	Accident records	Fatality records	Inspections	On-site hours
2025-Q1	252	27	103,820.00	28	1	211	2,534.3
2025-Q2	296	19	82,183.00	24	0	231	3,227.0
2025-Q3	185	19	58,795.00	28	0	220	2,756.0
2025-Q4	231	27	90,075.00	15	0	187	2,691.8
2026-Q1	264	34	95,798.00	27	0	237	2,947.5
2026-Q2	271	26	63,641.00	18	0	220	3,151.5
2026-Q3	255	40	30,013.00	27	0	188	2,455.0
2026-Q4 *	42	6	—	0	0	33	300.8

Most cited CFR sections

All violations issued in the selected period. Counts combine subsections.

Section	Violations	S&S
30 CFR 56.14100Safety defects; examination, correction and records.	137	22
30 CFR 56.12004Electrical conductors.	115	4
30 CFR 56.20003Housekeeping.	106	17
30 CFR 56.14107Moving machine parts.	85	7
30 CFR 56.14112Construction and maintenance of guards.	69	6
30 CFR 56.4201Inspection.	59	0
30 CFR 56.12032Inspection and cover plates.	57	2
30 CFR 50.30Preparation and submission of MSHA Form 7000-2—Quarterly Employment and Coal Production Report.	56	0
30 CFR 56.14132Horns and backup alarms.	53	3
30 CFR 56.14207Parking procedures for unattended equipment.	47	2

Safety activity

inspection2026-10-15F0337E7
Carmel Sand & Gravel · 1202124
Regular Safety and Health Inspection · 0.0 on-site hours
inspection2026-10-15F03D7B1
UNICOI QUARRY · 4002075
Regular Safety and Health Inspection · 0.0 on-site hours
violation2026-10-155010026
Waverly Sand & Gravel · 1202038
62.170
violation2026-10-155010025
Carmel Sand & Gravel · 1202124
56.14132(a) · S&S
inspection2026-10-14F0510F5
Snyder · 3401651
Regular Safety and Health Inspection · 0.0 on-site hours
violation2026-10-145220394
Lotawana Quarry · 2301889
56.14207
violation2026-10-145175553
Snyder · 3401651
56.12004
violation2026-10-145175552
Snyder · 3401651
56.14100(b)
inspection2026-10-13F043E25
Cumming Mine Site · 0900460
Regular Safety and Health Inspection · 19.5 on-site hours
inspection2026-10-13F04D404
Alden Portable Sand · 1302037
Regular Safety and Health Inspection · 4.3 on-site hours
inspection2026-10-13F04A044
Lotawana Quarry · 2301889
Regular Safety and Health Inspection · 0.0 on-site hours
inspection2026-10-13F03D7AF
Locust Mount Quarry · 4000122
Regular Safety and Health Inspection · 0.0 on-site hours
inspection2026-10-13F044BD0
Chattanooga Quarry · 4003159
Regular Safety and Health Inspection · 0.0 on-site hours
violation2026-10-135114796
Alden Portable Sand · 1302037
56.12008
violation2026-10-135220393
Lotawana Quarry · 2301889
56.14100(b)
violation2026-10-135220392
Lotawana Quarry · 2301889
56.14112(b)
inspection2026-10-08F04D403
DSM Portable Sand · 1302504
Regular Safety and Health Inspection · 3.5 on-site hours
inspection2026-10-08F03C4F2
Olathe Quarry · 1401704
Regular Safety and Health Inspection · 8.5 on-site hours
violation2026-10-085114795
DSM Portable Sand · 1302504
56.12028
violation2026-10-085211729
Olathe Quarry · 1401704
56.14100(a)
violation2026-10-085211728
Olathe Quarry · 1401704
56.14101(a)(2)
violation2026-10-085211727
Olathe Quarry · 1401704
56.14207
violation2026-10-085211726
Olathe Quarry · 1401704
56.12028 · S&S
violation2026-10-085211725
Olathe Quarry · 1401704
56.14107(a)
violation2026-10-085211724
Olathe Quarry · 1401704
56.4201(a)(2)

Safety sources and definitions

MSHA Violations (issue date), Accidents (accident date), and Inspections (begin date). Snapshot 2026-10-18.

Counts describe published rows, including contractor records; accident records are not distinct incidents or numbers of people injured.

Zero means no matching records in the imported sources, not proof of no events. Historical coverage differs by source; absence before a source begins reporting is not a zero incident rate. Invalid or absent dates and records after the snapshot are excluded.

S&S means SIG_SUB=Y. Fatality records use DEGREE_INJURY_CD=01. Proposed penalties are not final assessed or paid amounts; missing dollar values are omitted.

Inspection hours are SUM_TOTAL_ON_SITE_HOURS attributed to the inspection start date, without supervisor/trainee hours. Missing hours are omitted; a started inspection may still be open.

Portfolio totals use current mine membership, including events before the current owner or operator's tenure.

CFR headings link to the current Title 30 index; they are not historical legal determinations.

SELECTED PORTFOLIO

35 linked operators.

Relationships reflect the selected mine status and current MSHA controller/operator fields.