Mining & Extraction

PlainEmployers tracks 908 distinct employers operating in the Mining & Extraction sector (NAICS prefix 21), each pulled from U.S. Department of Labor and OSHA public disclosures rather than self-reported corporate profiles. The cross-employer average median wage disclosed on H-1B visa petitions in this industry is $161,474, which serves as a reliable floor for what specialized roles pay because those wages must meet or exceed the DOL-set prevailing wage. In aggregate, Mining & Extraction employers in our index have filed 346 H-1B labor condition applications, averaging about 0 per employer.

On workplace safety, the Mining & Extraction peer group shows an average DART rate of 1.27 injuries per 100 full-time workers — a standardized OSHA metric that counts days away, restricted duty, or job transfer resulting from workplace injuries. That number is the benchmark every individual employer profile on PlainEmployers is scored against, so when you see an employer with a DART of 3.5 on a industry-average-of-2.0 backdrop, it means they're running roughly 75% above the norm. The metric self-corrects for company size, which is why it's more meaningful than raw injury counts; a 300,000-worker retailer and a 400-worker machine shop can be compared on equal footing, and industry-wide patterns (construction and warehousing skewing high, finance and professional services skewing low) are visible here in raw form.

Among the largest visa sponsors in Mining & Extraction currently indexed on PlainEmployers are Schlumberger Technology Corporation, Nevada Gold Mines LLC, ExxonMobil Technology and Engineering Company, each with their own dedicated profile covering salary breakdowns, OSHA safety grade, and WARN Act layoff history. Jobseekers researching opportunities in this sector should cross-reference the salary numbers here with metro-level pages, because H-1B wages are legally required to meet the prevailing wage for the specific metro-occupation combination — a software engineer in San Francisco and one in Nashville will show materially different disclosed salaries for the same employer. Our ETL pipeline re-pulls federal and state disclosures on a recurring schedule, so the employer list, wage averages, and safety benchmarks on this page refresh as new public filings are released, keeping industry-level comparisons current.