Industries › NAICS 213
Support Activities for Mining
NAICS subsector 213. OSHA inspections, injury summaries, Wage and Hour cases and OFLC filings for employers classified in the subsector.
Support Activities for Mining (NAICS 213) accounts for 3,658 OSHA inspections since 2016, 0.5% of all inspections, with $15M in current penalties ($4,029 per inspection; all industries $3,754).
Wage and Hour Division cases concluded in the industry number 1,400, with $67M in back wages agreed to pay. Employers in the industry filed 814 labor condition applications and 215 PERM applications in the fiscal years covered.
526 establishments reported 2025 injury summaries: a total recordable case rate of 0.7 per 100 full-time workers, below the 3.5 across all reporting establishments; the median reporting establishment has a rate of 0.0 (quartiles 0.0–1.2).
All employers in this subsector
All employers in Support Activities for Mining: 298 records. The A to Z list names every employer in the subsector that has a page.
OSHA inspections and citations
Citations may be contested; the status shown reflects the record at the data date. Enforcement data through 14 Sep 2026.
| Measure | NAICS 213 | All industries |
|---|---|---|
| Citations per inspection | 1.1 | 1.9 |
| Current penalty per inspection | $4,029 | $3,754 |
| Share of all inspections | 0% | 100% |
Most-cited standards
| Standard | Subject | Citations |
|---|---|---|
| 1910.1200 | Hazard communication | 311 |
| 1910.134 | Respiratory protection | 281 |
| 1910.305 | Electrical, wiring methods, components and equipment | 259 |
| 5(a)(1) | General Duty Clause | 244 |
| 1910.146 | Permit-required confined spaces | 171 |
| 1910.132 | Personal protective equipment, general requirements | 166 |
| 1910.147 | The control of hazardous energy (lockout/tagout) | 155 |
| 1910.28 | Duty to have fall protection and falling object protection | 137 |
| 1904.39 | Reporting fatalities and severe injuries to OSHA | 117 |
| 1910.303 | Electrical, general requirements | 115 |
Employers with the most inspections
| Employer | City | Inspections |
|---|---|---|
| Helmerich & Payne International Drilling Co. | Pecos | 21 |
| Cactus Drilling Company, LLC | Pecos | 20 |
| Patterson-UTI Drilling Company, LLC | Houston | 20 |
| Tanmar Companies LLC | Kent | 19 |
| Hilcorp Alaska, LLC | Prudhoe Bay | 18 |
| Key Energy Services, LLC | Pecos | 16 |
| Precision Drilling | Pecos | 16 |
| U.S. Borax Inc. | Boron | 16 |
| Halliburton Energy Services, Inc. | Houston | 14 |
| Trend Services Inc. | Pecos | 13 |
| California Drilling & Blasting | South Pasadena | 12 |
| Ensign United States Drilling Inc. | Denver | 12 |
| Ensign US Southern Drilling LLC | Odessa | 12 |
| Murfin Drilling Company, Inc. | Scott City | 12 |
| Liberty Oilfield Services | Denver | 11 |
| Unit Drilling Company | Pecos | 11 |
| Basic Energy Services | Pecos | 10 |
| Helmerich & Payne, Inc. | Bullard | 10 |
| Helmerich & Payne International Drilling Company | Amber | 10 |
| Independence Contract Drilling | Houston | 10 |
The list names employers that have a page on this site (organisations above the size floor); the totals above count every record in the files.
Injuries Form 300A summaries
Establishments submit their own Form 300A summaries; OSHA publishes the data as submitted and does not verify it. Rates are per 100 full-time workers.
Injury-rate distribution, 2025
Total recordable case rates across 469 establishments with at least 20,000 hours worked; the pooled rate uses all 526 reporting establishments' hours and cases.
| Year | Establishments | Employees | Recordable cases | TRC rate | DART rate | Median establishment |
|---|---|---|---|---|---|---|
| 2023 | 597 | 102,355 | 1,117 | 0.8 | 0.5 | 0.2 |
| 2024 | 496 | 78,459 | 789 | 0.8 | 0.5 | 0.0 |
| 2025 | 526 | 84,345 | 755 | 0.7 | 0.4 | 0.0 |
Labor Wage and Hour Division
Concluded compliance actions since fiscal year 2005; amounts are back wages the employer agreed to pay, as recorded at case conclusion. Data through 15 Jun 2026.
Acts
| Act | Violations | Back wages |
|---|---|---|
| Fair Labor Standards Act | 35,775 | $66M |
| Davis-Bacon and Related Acts | 91 | $231K |
| H-1B provisions | 21 | $189K |
| Service Contract Act | 53 | $137K |
| Family and Medical Leave Act | 584 | $38K |
| Consumer Credit Protection Act | 3 | $510 |
| FLSA child labor provisions | 46 | $0 |
| Employee Polygraph Protection Act | 5 | $0 |
| Contract Work Hours and Safety Standards Act | 48 | $0 |
Employers with the largest back wages
| Employer | City | Back wages |
|---|---|---|
| Halliburton Energy Services, Inc. | Houston | $18,463,609 |
| FESCO, Ltd. | Alice | $1,173,830 |
| Honghua, America, LLC | Houston | $687,469 |
| Unit Corporation DBA Oklahoma Unit Corporation | Pyote | $579,911 |
| Frank's International LLC | Corpus Christi | $555,351 |
| Orion Drilling Company LLC. | Pecos | $555,306 |
| Quality Logging Inc. | Coyanosa | $477,801 |
| Drillmec, Inc. | Houston | $398,605 |
| Pilot Thomas Logistics, LLC. | Pecos | $345,585 |
| Mulholland Energy Services | Odessa | $331,156 |
| Enterprise Products Company | Houston | $258,823 |
| Workover Solutions, Inc. | Pittsburgh | $250,000 |
| United Piping Inc. | Duluth | $218,731 |
| The Global Edge Consultants LLC | The Woodlands | $198,719 |
| Key Energy Services, LLC | Pecos | $185,077 |
The list names employers that have a page on this site (organisations above the size floor); the totals above count every record in the files.
Immigration OFLC labor condition applications and PERM
Employer-specific case information was provided to OFLC by employers who submitted foreign labor certification applications. These are not employer responses to the Bureau of Labor Statistics' survey. Data through 30 Jun 2026.
H-1B applications by fiscal year
PERM applications by fiscal year
Employers with the most H-1B applications
| Employer | City | Applications |
|---|---|---|
| Schlumberger Technology Corporation | Katy | 281 |
| Halliburton Energy Services, Inc. | Houston | 69 |
| Nabors Corporate Services, Inc. | Houston | 32 |
| Cameron International Corporation | Katy | 22 |
| Omega Technical Services, LLC | Houston | 18 |
| U.S. Borax Inc. | Boron | 14 |
| Ergon, Inc. | Flowood | 13 |
| Nabors Drilling Technologies USA, Inc. | Houston | 13 |
| The Global Edge Consultants LLC | The Woodlands | 13 |
| Aramco Services Company | Houston | 12 |
| OneSubsea LLC | Katy | 12 |
| Liberty Energy Services LLC | Denver | 11 |
| American Mine Management LLC | Houston | 10 |
| Barminco Mining Services USA LLC | Denver | 9 |
| Cudd Pumping Services, Inc. | The Woodlands | 7 |
The list names employers that have a page on this site (organisations above the size floor); the totals above count every record in the files.
Questions and answers
Which employers in Support Activities for Mining have the most OSHA inspections?
Helmerich & Payne International Drilling Co. (21), Cactus Drilling Company, LLC (20), Patterson-UTI Drilling Company, LLC (20)
What is the injury rate in Support Activities for Mining?
Establishments reporting for 2025 had a pooled total recordable case rate of 0.7 per 100 full-time workers; the median reporting establishment's rate is 0.0 with quartiles 0.0 to 1.2.
How many H-1B applications come from Support Activities for Mining?
814 labor condition applications in fiscal years 2025–2026 and 215 PERM applications.
How much in back wages did the Wage and Hour Division find due in Support Activities for Mining?
$66,660,406 agreed to pay across 1,400 concluded cases since fiscal year 2005.
Industry is the NAICS code on each record (the most common code where an employer's sources differ), grouped at the three-digit subsector. Sources: DOL enforcement data, OSHA ITA, OFLC disclosure data; see data sources and methodology.