CARBO CERAMICS INC

5 Green card sponsorships · 31 Temporary work filings · Mining & Oil · FY2010–FY2020
Filing volume Top 14% 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
395 Total employees Self-reported on green-card filings · FY2018
1.3% Green-card sponsorship rate 5 green-card filings / 395 employees · FY2010–FY2020 filings vs FY2018 headcount
7.8% Work-visa filing rate 31 work-visa filings / 395 employees · FY2010–FY2020 filings vs FY2018 headcount
9.1% Visa filings vs workforce 36 filings / 395 employees · FY2010–FY2020 filings vs FY2018 headcount

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 · est. 395 U.S. employees
  • 0% Green-card filings denied 0 of 5 green-card filings · FY2010–FY2020 filings
    20% Green-card filings certified 1 of 5 green-card filings · last filed Aug 2020 · FY2010–FY2020
    Aug 2020 Last filing
    9% Visa filings vs workforce 36 filings / 395 employees · FY2010–FY2020 filings vs FY2018 self-reported headcount
    Top 20% Green-card + work-visa filings 36 filings · last Aug 2020 · Top 20% of 786 in Mining & Oil · Top 14% of 332,896 US employers · FY2010–FY2020
    Top 14% Green-card + work-visa filings, all US 36 filings · Top 14% of 332,896 US employers · FY2010–FY2020
    5 Green-card filings FY2010–FY2020
    31 Work-visa filings FY2010–FY2020
    Top 71% Work-visa filings per employee, Mining & Oil 4 filings / 395 employees (2018, self-reported) · Top 71% of 281 in Mining & Oil with work-visa filings and a reported headcount · FY2010–FY2020
    Top 60% Green-card filings per employee, Mining & Oil 5 filings / 395 employees (2018, self-reported) · Top 60% of 458 in Mining & Oil with green-card filings and a reported headcount · FY2010–FY2020
    Top 64% Green-card + work-visa filings per employee, Mining & Oil 9 filings / 395 employees (2018, self-reported) · Top 64% of 458 in Mining & Oil reporting headcount · FY2010–FY2020
  • Layoff notices are withheld from this panel (WARN coverage 4.6% < 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 →

1 Certified green-card approvals · FY2010–FY2020
4 Expired 80.0% rate · FY2010–FY2020
0 Denied 0.0% rate · FY2010–FY2020
0 Withdrawn 0.0% rate · FY2010–FY2020

Filings over time

How many green card applications CARBO CERAMICS INC has filed each quarter, from FY2010 to today.

FY2010 Q1: 1 filingsFY2012 Q1: 1 filingsFY2015 Q2: 1 filingsFY2016 Q2: 1 filingsFY2018 Q1: 1 filings001FY2010FY2012FY2018
Source: U.S. Department of Labor public records Updated 2026-04-11 08:05:34.412930+00:00

What this means

CARBO CERAMICS INC applied to sponsor 5 workers for green cards between 2010 and 2020. 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

CARBO CERAMICS INC has filed 3 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 and pattern score.

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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