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Data / Workplace safety / Nonmetallic Mineral Mining and Quarrying / California

OSHA citations in Nonmetallic Mineral Mining and Quarrying in California: 239 establishments, $1,076,697 in penalties (2021 to 2026)

OSHA cited 239 establishments in Nonmetallic Mineral Mining and Quarrying (NAICS 2123) in California between December 30, 2021 and September 3, 2026: 711 citations, $1,258,657 in initial penalties and $1,076,697 in current penalties.

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Get citations like theseWatch Nonmetallic Mineral Mining and Quarrying in California
Industry
NAICS 2123, Nonmetallic Mineral Mining and Quarrying
State
California
Establishments cited
239
Citations
711
Penalties
$1,258,657 initial, $1,076,697 current
Citation types
620 other than serious, 64 serious, 27 repeat

Most penalized establishments

Ranked by current penalties. Each row links to OSHA's record of its latest cited inspection.

EstablishmentCityStateCitationsInitial penaltiesCurrent penaltiesLatest citationSource
National Cement Company of California, Inc.LebecCA9$103,055$103,055July 2, 2026osha.gov
Papich Construction Company, Inc.ClovisCA6$92,000$92,000November 10, 2025osha.gov
Martin Marietta Northern California Aggregates, LLC.SangerCA6$70,810$70,810January 12, 2026osha.gov
Recon Refractory & Construction, Inc.BoronCA4$60,750$60,750February 12, 2025osha.gov
MP Mine Operations LLCMountain PassCA22$51,940$51,940June 18, 2026osha.gov
Mercer Fraser CompanyTrinidadCA7$69,410$42,680August 8, 2023osha.gov
U.S. Borax Inc.BoronCA3$54,000$36,850February 6, 2026osha.gov
Granite Rock CompanyAromasCA11$46,710$35,015August 5, 2025osha.gov
Calportland CompanyMojaveCA4$41,280$30,030August 23, 2023osha.gov
Plymouth Sand & GravelPlymouthCA9$29,020$29,020October 28, 2025osha.gov
Sahara Construction Co. Inc.Sun ValleyCA3$30,650$27,950April 19, 2023osha.gov
US Mine CorporationIoneCA19$24,555$24,555February 13, 2026osha.gov
Arcosa LWFP, LLCFrazier ParkCA7$23,990$23,990June 25, 2025osha.gov
Jacob Buccini ConstructionSouth Lake TahoeCA9$22,650$22,650August 26, 2022osha.gov
MRC Rock & Sand, LLCOjaiCA3$22,210$22,210August 19, 2026osha.gov
Griffith CompanyLebecCA6$27,285$20,435June 13, 2024osha.gov
Countywide Mechanical SystemsEspartoCA3$19,120$18,900February 1, 2023osha.gov
Robertson's Transport, LTDRialtoCA1$22,500$18,000September 29, 2022osha.gov
Pacific Aggregates Inc.Lake ElsinoreCA3$17,500$17,500February 28, 2025osha.gov
Bob Marshall Construction Company, Inc.FresnoCA2$15,975$15,975October 9, 2025osha.gov
Canyon Rock Co., Inc.ForestvilleCA2$23,000$15,125February 5, 2024osha.gov
Calportland Company DBA Grimes Rock, Inc.FillmoreCA4$31,000$14,200July 24, 2026osha.gov
Industrial Silica Products, LLCOrovilleCA12$13,490$13,490October 16, 2023osha.gov
Searles Valley Minerals, IncTronaCA1$18,000$11,000September 25, 2024osha.gov
Maverick Abrasives CorporationAnaheimCA9$16,370$8,090August 4, 2022osha.gov
Mercer Fraser CompanyEurekaCA4$6,400$6,400June 13, 2025osha.gov
MRC Rock & Sand, LLCMojaveCA10$6,315$6,315July 20, 2026osha.gov
Hansen Bros. EnterprisesGrass ValleyCA5$6,305$6,305March 25, 2026osha.gov
Oil Dri Corporation of AmericaTaftCA3$6,155$6,155June 19, 2023osha.gov
Lilac Solutions, Inc.OaklandCA4$6,915$5,795August 22, 2023osha.gov
Specialty Minerals Inc.Lucerne ValleyCA9$7,435$5,685April 6, 2026osha.gov
Hi-Grade Materials Co.IndioCA5$5,175$5,175December 15, 2022osha.gov
Dominguez General Engineering, Inc.San GabrielCA1$5,000$5,000January 11, 2024osha.gov
United Rock Products CorporationIrwindaleCA16$7,600$4,775May 11, 2026osha.gov
Santa Paula Materials, Inc.Santa PaulaCA8$9,960$4,560June 9, 2025osha.gov
Portola Minerals CompanyColumbiaCA8$4,780$4,105August 29, 2025osha.gov
Specialty Granules LLCIoneCA10$3,705$3,705June 9, 2025osha.gov
Omya, Inc.Lucerne ValleyCA12$3,680$3,680November 6, 2025osha.gov
Calaveras Materials, Inc.MercedCA5$3,600$3,600June 1, 2022osha.gov
Norcal Sand & Rock, Inc.OrovilleCA4$3,200$3,200June 14, 2023osha.gov
Jaxon EnterprisesPortervilleCA6$2,935$2,935July 13, 2026osha.gov
Holliday Rock Co., Inc.UplandCA4$2,910$2,910May 13, 2025osha.gov
Agcon, Inc.Oro GrandeCA8$2,845$2,845September 8, 2022osha.gov
North Valley Rock LLCWillowsCA4$2,810$2,810September 11, 2025osha.gov
Sydney Peak Stone Inc.RandsburgCA7$4,555$2,735December 23, 2025osha.gov
Robertson's Ready Mix LTD a California Limited PartnershipRedlandsCA4$2,620$2,620October 5, 2023osha.gov
Tidewater Contractors Inc.Smith RiverCA5$2,560$2,560July 26, 2024osha.gov
Eagle Rock, Inc.Junction CityCA6$2,465$2,465August 16, 2022osha.gov
Branson Enterprise Inc.OrovilleCA4$2,200$2,200August 25, 2025osha.gov
Lilac Solutions, Inc.OaklandCA4$2,200$2,200July 19, 2024osha.gov
Cemex Construction Materials Pacific, LLCRialtoCA5$2,140$2,140August 24, 2026osha.gov
R&R Hauling IncNewport BeachCA5$2,055$2,055February 6, 2025osha.gov
Mitsubishi Cement CorporationLucerne ValleyCA6$1,975$1,975December 4, 2025osha.gov
FST Sand & Gravel, Inc.CoronaCA7$1,960$1,960January 19, 2023osha.gov
Superior Ready Mix Concrete LPNilandCA4$1,875$1,875June 21, 2022osha.gov
7/11 Materials, Inc.BishopCA2$1,875$1,875May 3, 2022osha.gov
Lind Marine IncorporatedSuisun CityCA4$1,585$1,585February 23, 2026osha.gov
7/11 Materials, Inc.OnyxCA3$1,585$1,585August 19, 2026osha.gov
David Knott Inc.FresnoCA3$14,400$1,575August 14, 2025osha.gov
7/11 Materials, Inc.ChicoCA4$1,540$1,540August 23, 2023osha.gov
The Don Chapin Co., Inc.MarinaCA1$1,500$1,500December 18, 2023osha.gov
San Benito SupplySoledadCA3$1,495$1,495January 20, 2026osha.gov
Hi-Grade Materials Co.Lucerne ValleyCA6$1,490$1,490July 9, 2025osha.gov
All American AsphaltCoronaCA4$1,400$1,400September 3, 2026osha.gov
Cemex Construction Materials Pacific, LLCMoorparkCA2$1,350$1,350April 24, 2026osha.gov
North County Sand and Gravel, Inc.MurrietaCA5$1,335$1,335October 15, 2024osha.gov
Cemex Construction Materials Pacific, LLCMadisonCA3$1,335$1,335December 18, 2025osha.gov
Foothill Materials, Inc.Valley SpringsCA2$1,330$1,330July 24, 2023osha.gov
Geo Drilling Fluids, Inc.SacramentoCA3$1,325$1,325February 10, 2026osha.gov
Martin Marietta LLCHughsonCA4$2,935$1,310August 8, 2023osha.gov
Nestle Purina Petcare CompanyMaricopaCA5$1,305$1,305August 20, 2025osha.gov
Mercer, Fraser CompanyWillow CreekCA4$1,300$1,300October 14, 2024osha.gov
Jones Water Trucks, Inc.Apple ValleyCA5$1,290$1,290August 17, 2026osha.gov
Green Vista HoldingsMeadow VistaCA4$1,255$1,255April 19, 2024osha.gov
Robertson's Ready Mix IncCoronaCA3$1,200$1,200October 15, 2024osha.gov
Hanson Aggregates Mid-Pacific, Inc.ConcordCA2$1,200$1,200September 28, 2022osha.gov
F.W. Aggregates Inc.Lone PineCA1$1,200$1,200May 3, 2022osha.gov
Martin Marietta Southern California Aggregates, LLCIrwindaleCA4$1,725$1,165December 9, 2024osha.gov
Superior Ready Mix Concrete LPIndioCA4$1,120$1,120August 4, 2023osha.gov
LB3 Enterprises Inc.Chula VistaCA2$10,450$1,100December 14, 2023osha.gov
Bo Dean Co., Inc.Santa RosaCA3$1,055$1,055January 29, 2026osha.gov
J.F. Shea Construction, Inc.ReddingCA2$1,050$1,050September 13, 2024osha.gov
Reliable ConstructionAdelantoCA2$1,030$1,030January 9, 2026osha.gov
Raymond Granite CoRaymondCA2$1,460$1,010April 16, 2024osha.gov
Coachella Valley Aggregates, Inc.IndioCA4$1,005$1,005July 9, 2026osha.gov
Recycled Base Materials, Inc.PortervilleCA2$1,000$1,000July 10, 2026osha.gov
Calmat Co.NapaCA3$980$980March 2, 2023osha.gov
Mercer Fraser CompanyWillow CreekCA2$970$970August 16, 2023osha.gov
Chili Bar LLCPlacervilleCA1$900$900December 22, 2025osha.gov
Holliday Rock Company, Inc.LittlerockCA3$840$840September 1, 2022osha.gov
Calmat Co.IrwindaleCA2$840$840August 20, 2025osha.gov
Papich Construction Company, Inc.CoalingaCA2$840$840September 29, 2025osha.gov
Martin Marietta - Sunol AggregatesSunolCA1$840$840June 23, 2023osha.gov
The Dutra GroupSan RafaelCA1$840$840May 1, 2024osha.gov
Wayne J. Sand & Gravel, Inc.MoorparkCA2$1,105$805November 24, 2025osha.gov
David Knott Inc.LatonCA2$785$785March 15, 2022osha.gov
Jones Water Trucks, Inc.IoneCA3$775$775May 6, 2026osha.gov
Chili Bar LLCPlacervilleCA4$750$750January 6, 2023osha.gov
Minnesota Mining & Manufacturing CompanyCoronaCA4$750$750March 28, 2023osha.gov
Martin Marietta Northern California Aggregates, LLCSanta MariaCA2$935$750September 2, 2026osha.gov

Standards cited most often

StandardTitleCitationsEstablishmentsInitial penaltiesCurrent penalties
1910.28Duty to have fall protection and falling object protection11$0$0
1915.158Lifesaving equipment11$0$0
1915.55Gas welding and cutting11$0$0

Citations by year issued

Year issuedCitationsCurrent penalties
20213$525
2022197$169,725
2023161$195,120
202494$177,042
2025142$313,160
2026114$221,125

Updated November 3, 2026. Read from US Department of Labor, OSHA enforcement data. Public domain (U.S. government work). Penalties are as OSHA records them on the date this page was read and can change after a contest or a settlement. Citations OSHA deleted are left out. Each row links to OSHA's own inspection record. This page uses US Department of Labor data and is not endorsed or certified by the US Department of Labor. Free to reuse with credit to SpecStream under CC BY 4.0. Spot a wrong value? Write to [email protected] with the link to this page.