Mining, Quarrying, Oil & Gas
What the Data Says About Mining, Quarrying, Oil & Gas
The Mining, Quarrying, Oil & Gas sector (NAICS 21) contains 2,320 employers with OSHA enforcement records, generating 4,997 inspections and 7,142 documented violations across the industry. That works out to 1.43 violations per inspection and roughly 2.2 inspections per employer. Cumulative OSHA penalties against this sector total $10.2M, averaging $2K per inspection.
Compared against every other industry PlainWorker tracks, Mining, Quarrying, Oil & Gas ranks #18 of 32 when measured by average penalty per inspection. The cross-industry average sits near $2K per inspection, so this sector runs at or below the mean. Industries with higher average penalties typically see a greater share of serious, willful, or repeat violations — categories OSHA reserves for hazards likely to cause serious physical harm or where employers knowingly disregarded the law.
The 2,320 employers shown below represent only workplaces with inspection or wage-theft enforcement records — not the full universe of Mining, Quarrying, Oil & Gas businesses. Listings are drawn from the U.S. Department of Labor's enforcement database and updated monthly. Click any employer to view their full violation breakdown, penalty history, and wage-and-hour compliance record. For wage, occupational employment, and compensation context on this sector, cross-reference the related data sources at the bottom of this page.
Top Violators in Mining, Quarrying, Oil & Gas
| # | Employer | Location | Violations | Total Amount |
|---|---|---|---|---|
| 1 | Holland Services | Washington, PA | 0 | $25.9M |
| 2 | Halliburton | Houston, TX | 0 | $18.2M |
| 3 | Frontier Integrity Solutions | Sand Springs, OK | 0 | $3.9M |
| 4 | BlackJewel L.L.C. | Milton, WV | 0 | $2.5M |
| 5 | Blackjewel, LLC | Milton, WV | 0 | $2.0M |
| 6 | Water Energy Services | SAN ANTONIO, TX | 0 | $1.4M |
| 7 | NESI | Montgomery, PA | 0 | $1.0M |
| 8 | NESI | Rio Vista, TX | 0 | $1.0M |
| 9 | Suttles Logging, Inc. | Midland, TX | 0 | $888K |
| 10 | Jet Specialty, Inc. | Boerne, TX | 0 | $859K |
| 11 | NESI | Williston, ND | 0 | $829K |
| 12 | Blackjewel LLC | Gillette, WY | 0 | $817K |
| 13 | XMV, Inc. | Princeton, WV | 0 | $718K |
| 14 | NESI | The Woodlands, TX | 0 | $703K |
| 15 | Wyoming Casing | Dickinson, ND | 0 | $688K |
| 16 | Honghua America LLC | Houston, TX | 0 | $687K |
| 17 | Crescent Directional Drilling | Houston, TX | 0 | $666K |
| 18 | Justiss Oil | Jena, LA | 0 | $620K |
| 19 | Accurate Safety Compliance | Oklahoma City, OK | 0 | $613K |
| 20 | Northern Stone Supply, Inc. | Oakley, ID | 0 | $610K |
All Employers in Mining, Quarrying, Oil & Gas
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Source: OSHA Enforcement Data — U.S. Department of Labor (data.dol.gov)
Source: NAICS Industry Classification — U.S. Census Bureau
Top employers in 21
Source: U.S. Department of Labor — OSHA Enforcement Data OSHA inspection + penalty records by NAICS sector · 2024 OSHA enforcement records reflect inspections opened, citations issued, and penalty amounts assessed; final penalty amounts often differ from initial assessments after settlement.
Read our methodology — how this data is sourced, computed, and verified.