StatesCalifornia

Mining, Quarrying, Oil & Gas in California

OSHA workplace safety enforcement data for Mining, Quarrying, Oil & Gas employers in California

723
Employers
277
Inspections (pg 1)
361
Violations (pg 1)
$84K
Penalties (pg 1)

What the Data Says About Mining, Quarrying, Oil & Gas in California

California has 723 employers in the Mining, Quarrying, Oil & Gas sector (NAICS 21) with OSHA enforcement records. Across the first 50 listings on this page, inspectors documented 277 inspections, 361 violations, and $84K in current penalties, averaging 5.5 inspections and 7.2 violations per employer shown.

State-level industry views like this one combine geographic and sectoral risk. Nationally, the Mining, Quarrying, Oil & Gas sector tracks 2,294 employers across all 5,098 inspections with $2K average penalty per inspection. California as a whole, across every industry, has 19,429 tracked employers and $121.6M in total OSHA penalties. Cross-referencing these two slices surfaces the 723 workplaces where sector-specific hazards meet state enforcement priorities.

Records include inspection counts, violation categories (serious, willful, repeat, other-than-serious), and current assessed penalty amounts. All data is pulled from the U.S. Department of Labor's public enforcement database at data.dol.gov and refreshed monthly. Click any employer below to view their full citation history, penalty timeline, and, where applicable, Wage and Hour Division compliance record covering minimum wage, overtime, and related Fair Labor Standards Act enforcement.

Employers

Employer City Inspections Violations Penalty
Coachella Valley Aggregates, INC. Indio 11 16 $2K
Cemex Construction Materials Pacific LLC Friant 3 4 $2K
Small Mine Development Hornitos 2 3 $2K
Superior Ready Mix San Diego 2 6 $2K
Eureka Ready Mix Concrete CO., INC. Fortuna 9 10 $2K
Weimer and Sons, INC. Oroville 3 6 $2K
BCJ Sand & Rock, INC. Tracy 2 1 $2K
North County Sand and Gravel, INC. Murrieta 8 9 $2K
Calmat CO Irwindale 13 7 $2K
Omya California INC Lucerne Valley 4 6 $2K
Horse Shoe a Mining INC Drytown 10 11 $2K
Brubaker-Mann, INC. Barstow 16 14 $2K
Granite Rock Company Felton 4 10 $2K
Sierra Silica Resources LLC Oroville 4 7 $2K
Eagles Nest Mining LLC Foresthill 2 3 $2K
Superior Ready Mix El Cajon 3 5 $2K
D-I Aggregate Management LLC Rio Vista 2 11 $2K
North Valley Rock LLC Corning 5 8 $2K
Cemex Construction Materials Pacific, LLC Madison 3 5 $2K
Silica Resources, INC. Browns Valley 8 11 $2K
The Don Chapin CO., INC. Hollister 3 4 $2K
Barney Northcote INC Corona 6 8 $2K
Wayne J. Sand & Gravel, INC. Moorpark 7 11 $2K
Duke Sherwood Contracting, INC. Oroville 5 6 $2K
Sierra Rock Placerville 6 10 $2K
7/11 Materials, INC. Waterford 7 14 $2K
California Rock Crushers Tracy 2 6 $2K
Jim Brisco Enterprises, INC. LA Grange 2 6 $2K
Oil Dri CORP of America DBA Taft Production CO Taft 3 3 $2K
Chandler Aggregates INC Moreno Valley 6 9 $2K
Kellog Creek Aggregates, INC. Byron 8 9 $2K
7/11 Materials INC Chico 6 7 $2K
MRC Rock & Sand, LLC Mojave 3 6 $2K
Granite Construction Company Coalinga 8 9 $2K
Superior Ready Mix Concrete L. P. El Cajon 4 5 $2K
Stevens Creek Quarry, INC. Sunnyvale 2 5 $2K
Cemex Construction Materials Pacific, LLC Moorpark 8 3 $2K
FST Sand & Gravel INC Corona 2 3 $2K
North Star Minerals, INC. Acton 9 10 $2K
Superior Ready Mix Concrete LP El Centro 8 3 $2K
The Don Chapin CO., INC. Marina 2 1 $2K
Jerico Products INC Suisun City 4 5 $2K
Cemex INC Madison 6 8 $1K
Grimes Rock, INC. Fillmore 9 5 $1K
Nestle Purina Petcare Company, Golden Products Division Maricopa 5 6 $1K
Hanson Aggregates Pacific Southwest INC. Lakeside 6 7 $1K
Pacific Rock, INC. Camarillo 12 10 $1K
Sierra Rock Products, INC. Jamestown 7 9 $1K
Santa Fe Aggregates, INC. Waterford 3 12 $1K
Clearlake Lava, INC. Lower Lake 4 8 $1K
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Source: OSHA Enforcement Data - U.S. Department of Labor (data.dol.gov)
Source: NAICS Industry Classification - U.S. Census Bureau

Verify against the primary sources: OSHA Establishment Search · DOL Wage & Hour Division