UNIMIN CORPORATION

7 Green card sponsorships · 27 Temporary work filings · Mining & Oil · FY2010–FY2018
Filing volume Top 13% of 332,896 US employers by PERM — Permanent Employment Certification (ETA-9089) Employer's DOL filing to sponsor a specific worker for an employment-based green card after testing the U.S. job marketTemporary visa (often F-1 student → H-1B)PERM — employer asks DOL to certify the job (you are here)I-140 — employer petitions USCISPriority-date wait (varies by country of birth — years to decades)Green card (I-485 / consular)DOL certifies paperwork — it does not issue green cards; per-position; certified ≠ granted. NEVER "work permit"Common path — some categories skip PERM (EB-1, NIW); timelines vary widely by country of birth. Educational info, not legal advice.Official source ↗ + LCA — Labor Condition Application (ETA-9035) Employer's legally binding wage promise to DOL, required before employing H-1B/H-1B1/E-3 workersJob offer + prevailing wageLCA — wage promise to DOL (you are here)Cap lottery registration (USCIS)I-129 petition (USCIS)Visa issued / status changed (DOS or USCIS)One filing can cover MANY positions — filing counts ≠ worker counts (employers over-file for lottery/relocations); not a visaCommon path — some categories skip PERM (EB-1, NIW); timelines vary widely by country of birth. Educational info, not legal advice.Official source ↗ volume
Employee count unavailable - public companies (SEC) and PERM — Permanent Employment Certification (ETA-9089) Employer's DOL filing to sponsor a specific worker for an employment-based green card after testing the U.S. job marketTemporary visa (often F-1 student → H-1B)PERM — employer asks DOL to certify the job (you are here)I-140 — employer petitions USCISPriority-date wait (varies by country of birth — years to decades)Green card (I-485 / consular)DOL certifies paperwork — it does not issue green cards; per-position; certified ≠ granted. NEVER "work permit"Common path — some categories skip PERM (EB-1, NIW); timelines vary widely by country of birth. Educational info, not legal advice.Official source ↗ -self-reporting employers only

What this means for you

One record, five questions. Ask as many as you like.

  • We look at green-card filings denied, certified, and last filing.
  • Mining & Oil
  • 0% Green-card filings denied 0 of 7 green-card filings · FY2010–FY2018 filings
    29% Green-card filings certified 2 of 7 green-card filings · last filed Nov 2015 · FY2010–FY2018
    Nov 2015 Last filing
    Top 18% Green-card + work-visa filings, Mining & Oil 34 filings · Top 18% of 786 in Mining & Oil · FY2010–FY2018
    Top 13% Green-card + work-visa filings, all US 34 filings · Top 13% of 332,896 US employers · FY2010–FY2018
    7 Green-card filings FY2010–FY2018
    21% Green-card filings, share of all filings 7 of this employer's 34 · FY2010–FY2018 filings
    Top 10% Green-card filings percentile · all US of 210,333 employers · FY2010–FY2018 filings
    #20,555 of 210,333 Green-card filings rank · all US FY2010–FY2018 filings
    #90 of 786 Green-card filings rank · Mining & Oil FY2010–FY2018 filings
    27 Work-visa filings FY2010–FY2018 filings
    79% Work-visa filings, share of all filings 27 of this employer's 34 · FY2010–FY2018 filings
    Top 11% Work-visa filings percentile · all US of 231,601 employers · FY2010–FY2018 filings
    #25,189 of 231,601 Work-visa filings rank · all US FY2010–FY2018 filings
    #106 of 551 Work-visa filings rank · Mining & Oil FY2010–FY2018 filings
    34 Green-card + work-visa filings FY2010–FY2018 filings
    #40,596 of 332,896 Green-card + work-visa filings rank · all US FY2010–FY2018 filings
    #139 of 786 Green-card + work-visa filings rank · Mining & Oil FY2010–FY2018 filings
  • Layoff notices are withheld from this panel (WARN coverage 4.8% < 60%) → see the WARN notices tab. Coverage gate
  • History, not a hiring promise.

Public record data. PERM — Permanent Employment Certification (ETA-9089) Employer's DOL filing to sponsor a specific worker for an employment-based green card after testing the U.S. job marketTemporary visa (often F-1 student → H-1B)PERM — employer asks DOL to certify the job (you are here)I-140 — employer petitions USCISPriority-date wait (varies by country of birth — years to decades)Green card (I-485 / consular)DOL certifies paperwork — it does not issue green cards; per-position; certified ≠ granted. NEVER "work permit"Common path — some categories skip PERM (EB-1, NIW); timelines vary widely by country of birth. Educational info, not legal advice.Official source ↗ and LCA — Labor Condition Application (ETA-9035) Employer's legally binding wage promise to DOL, required before employing H-1B/H-1B1/E-3 workersJob offer + prevailing wageLCA — wage promise to DOL (you are here)Cap lottery registration (USCIS)I-129 petition (USCIS)Visa issued / status changed (DOS or USCIS)One filing can cover MANY positions — filing counts ≠ worker counts (employers over-file for lottery/relocations); not a visaCommon path — some categories skip PERM (EB-1, NIW); timelines vary widely by country of birth. Educational info, not legal advice.Official source ↗ filing data sourced from U.S. Department of Labor OFLC disclosure files. Methodology →

2 Certified green-card approvals · FY2010–FY2018
4 Expired 66.7% rate · FY2010–FY2018
0 Denied 0.0% rate · FY2010–FY2018
1 Withdrawn 14.3% rate · FY2010–FY2018

Filings over time

How many green card applications UNIMIN CORPORATION has filed each quarter, from FY2010 to today.

FY2010 Q1: 2 filingsFY2012 Q1: 2 filingsFY2013 Q1: 1 filingsFY2015 Q3: 1 filingsFY2016 Q1: 1 filings012FY2010FY2012FY2013FY2016
Source: U.S. Department of Labor public records Updated 2026-04-11 08:05:34.412930+00:00

What this means

UNIMIN CORPORATION applied to sponsor 7 workers for green cards between 2010 and 2018. A green card application is what an employer files to help a worker stay in the U.S. permanently.

Important: everything on this page is derived from public U.S. Department of Labor records. It is not a statement of fraud, wrongdoing, or hiring intent. It describes observable filing patterns only.

Recent layoff notices

UNIMIN CORPORATION has filed 1 WARN — Worker Adjustment and Retraining Notification Act Federal law requiring 60-day advance notice of large layoffs or plant closures100+ employee firms, 50+/one-third site thresholds — WARN data captures only a FRACTION of layoffs; distributed cuts are invisibleOfficial source ↗ Act layoff notice(s) with state workforce agencies. These are public layoff notifications required by federal law.

Similar employers

Other Mining & Oil filers with comparable filing volume.

Filing data sourced from the U.S. Department of Labor's Office of Foreign Labor Certification public disclosure files. Past filings do not predict future hiring behavior. Employers may petition for review at /dispute.

Hire4Real displays public records from the U.S. Department of Labor (PERM Case Disclosure, LCA Disclosure, OEWS prevailing wages) and the U.S. Citizenship and Immigration Services H-1B Employer Data Hub. Hire4Real describes employers, not individuals. Hire4Real is not a consumer reporting agency ("CRA") as defined by the Fair Credit Reporting Act, 15 U.S.C. § 1681 et seq., and its outputs are not "consumer reports." Hire4Real is not a background check service and may not be used to make employment decisions about any individual. Hire4Real is not affiliated with or endorsed by the U.S. Department of Labor, U.S. Citizenship and Immigration Services, or any employer displayed on the site.

hire4real.fyi Source: U.S. Department of Labor Public Records Updated quarterly from public DOL records
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