The open canonical index of U.S. employer filings
Search 786 employers across 17 years of Department of Labor Green card sponsorships 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 H-1B H-1B — H-1B Specialty Occupation Temporary employer-sponsored visa for degree-level specialty roles; 85K annual cap via lotteryJob offer + prevailing wageLCA — wage promise to DOLCap lottery registration (USCIS)I-129 petition (USCIS)Visa issued / status changed (DOS or USCIS) (you are here)Nonimmigrant/temporary — never "immigrant worker"Common path — some categories skip PERM (EB-1, NIW); timelines vary widely by country of birth. Educational info, not legal advice.Official source ↗ /Temporary work filings 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 ↗ disclosures. Wage analysis. Open methodology.
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This page indexes public U.S. Department of Labor PERM labor-certification filing records.
PERM = green-card sponsorship filings · LCA = temporary-work (H-1B) filings · EMP = estimated U.S. employees — counts since FY2008, DOL public records.
| # | Company | %All | %Ind | Trend | Employees (est.) | Green cards (PERM) | Work visas (LCA) | P/HC% | L/HC% | Intens | Roles | F/Role | Exp% | Deny% | FEIN | SOC | NAICS | OSHA-I | OSHA-F | WT$ | CEO× | PPP$ | ☆ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 |
National Oilwell Varco, L..P
Mining & Oil
|
-- | -- | 636 | 203 | 323 | 19.2% | 50.8% | 70.0% | 68 | 1.8 | 49% | 0% | -- | -- | -- | 24 | — | — | — | — | ☆ | |
| 2 |
Chevron Corporation
Mining & Oil
|
-- | -- | 1,222 | 166 | 303 | 11.9% | 24.8% | 36.7% | 31 | 4.7 | 51% | 2% | -- | -- | -- | — | — | $8,448 | — | — | ☆ | |
| 3 |
SHELL OIL COMPANY
Mining & Oil
|
-- | -- | 20,000 | 159 | 0 | 0.7% | 0.0% | 0.7% | 5 | 26.0 | 71% | 3% | -- | -- | -- | — | — | — | — | — | ☆ | |
| 4 |
SCHLUMBERGER TECHNOLOGY CORP
Mining & Oil
|
-- | -- | 4,775 | 146 | 1,333 | 2.1% | 27.9% | 30.1% | 56 | 1.8 | 53% | 1% | -- | -- | -- | — | — | — | — | — | ☆ | |
| 5 |
OCCIDENTAL PETROLEUM CORP
Mining & Oil
|
-- | -- | 2,312 | 122 | 210 | 2.8% | 9.1% | 11.9% | 57 | 1.1 | 41% | 0% | -- | -- | -- | — | — | — | — | — | ☆ | |
| 6 |
OCCIDENTAL OIL AND GAS
Mining & Oil
|
-- | -- | — | 106 | 19 | — | — | — | 0 | 99.0 | 62% | 4% | -- | -- | -- | — | — | — | — | — | ☆ | |
| 7 |
NABORS CORPORATE SERVICES, INC.
Mining & Oil
|
-- | -- | 497 | 89 | 180 | 10.7% | 36.2% | 46.9% | 32 | 1.7 | 53% | 1% | -- | -- | -- | — | — | — | — | — | ☆ | |
| 8 |
LANDMARK GRAPHICS CORPORATION
Mining & Oil
|
-- | -- | 23,764 | 80 | 91 | 0.3% | 0.4% | 0.6% | 7 | 8.7 | 68% | 4% | -- | -- | -- | — | — | — | — | — | ☆ | |
| 9 |
BP America Inc.
Mining & Oil
|
-- | -- | 14,658 | 73 | 326 | 0.3% | 2.2% | 2.5% | 7 | 6.0 | 71% | 3% | -- | -- | -- | — | — | — | — | — | ☆ | |
| 10 |
PACIFIC GAS ELECTRIC CO
Mining & Oil
|
-- | -- | 24,000 | 72 | 0 | 0.2% | 0.0% | 0.2% | 16 | 3.1 | 58% | 7% | -- | -- | -- | — | — | — | — | — | ☆ | |
| 11 |
EXXON MOBIL CORPORATION
Mining & Oil
|
-- | -- | 75,000 | 68 | 102 | 0.1% | 0.1% | 0.2% | 1 | 62.0 | 73% | 12% | -- | -- | -- | — | — | $63,251 | — | — | ☆ | |
| 12 |
EOG Resources, Inc.
Mining & Oil
|
-- | -- | 2,000 | 61 | 214 | 2.0% | 10.7% | 12.8% | 21 | 2.0 | 45% | 2% | -- | -- | -- | — | — | — | — | — | ☆ | |
| 13 |
Freeport Minerals Corporation
Mining & Oil
|
-- | -- | 1,374 | 60 | 142 | 3.6% | 10.3% | 14.0% | 39 | 1.3 | 53% | 0% | -- | -- | -- | 3 | — | — | — | — | ☆ | |
| 14 |
HESS CORPORATION
Mining & Oil
|
-- | -- | 686 | 51 | 46 | 4.4% | 6.7% | 11.1% | 10 | 3.0 | 57% | 2% | -- | -- | -- | — | — | $7,949 | — | — | ☆ | |
| 15 |
Smith International, Inc.
Mining & Oil
|
-- | -- | 4,563 | 45 | 81 | 0.8% | 1.8% | 2.6% | 2 | 19.0 | 54% | 7% | -- | -- | -- | — | — | — | — | — | ☆ | |
| 16 |
MARATHON OIL CORPORATION
Mining & Oil
|
-- | -- | — | 42 | 5 | — | — | — | 0 | 37.0 | 72% | 2% | -- | -- | -- | — | — | — | — | — | ☆ | |
| 17 |
CITGO PETROLEUM
Mining & Oil
|
-- | -- | 3,556 | 36 | 40 | 0.8% | 1.1% | 1.9% | 8 | 3.5 | 59% | 3% | -- | -- | -- | 12 | — | — | — | — | ☆ | |
| 18 |
CALIFORNIA RESOURCES CORPORATION
Mining & Oil
|
-- | -- | 1,239 | 35 | 58 | 1.7% | 4.7% | 6.4% | 20 | 1.1 | 51% | 0% | -- | -- | -- | — | — | — | — | — | ☆ | |
| 19 |
Transocean Offshore Deepwater Drilling Inc.
Mining & Oil
|
-- | -- | 1,621 | 33 | 15 | 1.5% | 0.9% | 2.5% | 11 | 2.3 | 60% | 3% | -- | -- | -- | — | — | — | — | — | ☆ | |
| 20 |
ANADARKO PETROLEUM CORPORATION
Mining & Oil
|
-- | -- | 4,900 | 31 | 55 | 0.3% | 1.1% | 1.5% | 11 | 1.5 | 47% | 3% | -- | -- | -- | — | — | — | — | — | ☆ | |
| 21 |
BLUE MOUNTAIN STONE, INC.
Mining & Oil
|
-- | -- | — | 31 | 0 | — | — | — | 0 | 31.0 | 0% | 84% | -- | -- | -- | — | — | — | — | $228,194 | ☆ | |
| 22 |
Freeport-McMoRan Morenci Inc.
Mining & Oil
|
-- | -- | 3,781 | 29 | 110 | 0.6% | 2.9% | 3.5% | 14 | 1.6 | 48% | 0% | -- | -- | -- | — | — | — | — | — | ☆ | |
| 23 |
KENNECOTT UTAH COPPER
Mining & Oil
|
-- | -- | 2,450 | 28 | 143 | 0.7% | 5.8% | 6.6% | 11 | 1.6 | 57% | 0% | -- | -- | -- | — | — | — | — | — | ☆ | |
| 24 |
SUBSEA 7 (US) L.L.C.
Mining & Oil
|
-- | -- | 10,500 | 27 | 0 | 0.2% | 0.0% | 0.2% | 5 | 4.0 | 52% | 4% | -- | -- | -- | — | — | — | — | — | ☆ | |
| 1 |
├─
Subsea 7 US LLC
|
-- | -- | 487 | 8 | 95 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | 0 | 0 | -- | -- | -- | ||
| 25 |
DRAKE STONE PRODUCTS, INC.
Mining & Oil
|
-- | -- | — | 26 | 0 | — | — | — | 0 | 26.0 | 100% | 58% | -- | -- | -- | — | — | — | — | $262,900 | ☆ | |
| 26 |
EXTERRAN ENERGY SOLUTIONS, L.P.
Mining & Oil
|
-- | -- | 1,098 | 26 | 19 | 1.5% | 1.7% | 3.2% | 2 | 8.0 | 50% | 0% | -- | -- | -- | — | — | — | — | — | ☆ | |
| 27 |
MURPHY EXPLORATION PRODUCTION COMPANY USA
Mining & Oil
|
-- | -- | 608 | 26 | 29 | 3.8% | 4.8% | 8.6% | 22 | 1.0 | 57% | 4% | -- | -- | -- | — | — | — | — | — | ☆ | |
| 28 |
INTERNATIONAL PLANT SERVICES, LLC
Mining & Oil
|
-- | -- | — | 25 | 0 | — | — | — | 0 | 22.0 | 38% | 0% | -- | -- | -- | — | — | $160,747 | — | $374,374 | ☆ | |
| 29 |
COBRA STONE INC.
Mining & Oil
|
-- | -- | 78 | 24 | 0 | 30.8% | 0.0% | 30.8% | 1 | 24.0 | 46% | 0% | -- | -- | -- | — | — | $227,536 | — | — | ☆ | |
| 30 |
M-I L.L.C. (A/K/A M-I SWACO)
Mining & Oil
|
-- | -- | — | 24 | 0 | — | — | — | 0 | 20.0 | 68% | 8% | -- | -- | -- | — | — | — | — | — | ☆ | |
| 31 |
STATOIL GULF SERVICES LLC
Mining & Oil
|
-- | -- | 22,000 | 24 | 3 | 0.0% | 0.0% | 0.1% | 1 | 7.0 | 58% | 0% | -- | -- | -- | — | — | — | — | — | ☆ | |
| 32 |
Sun Energy Services LLC
Mining & Oil
|
-- | -- | 286 | 21 | 0 | 6.6% | 0.0% | 6.6% | 11 | 1.7 | 48% | 0% | -- | -- | -- | — | — | — | — | — | ☆ | |
| 33 |
DEVON ENERGY CORP
Mining & Oil
|
-- | -- | 5,000 | 20 | 22 | 0.0% | 0.4% | 0.5% | 1 | 2.0 | 22% | 0% | -- | -- | -- | — | — | — | — | — | ☆ | |
| 34 |
PIONEER NATURAL RESOURCES USA, INC
Mining & Oil
|
-- | -- | 1,932 | 20 | 50 | 0.6% | 2.6% | 3.2% | 7 | 1.6 | 45% | 0% | -- | -- | -- | — | — | — | — | — | ☆ | |
| 35 |
SAIPEM AMERICA INC.
Mining & Oil
|
-- | -- | 186 | 20 | 18 | 9.1% | 9.7% | 18.8% | 11 | 1.5 | 61% | 0% | -- | -- | -- | — | — | — | — | — | ☆ | |
| 36 |
LIBERTY OILFIELD SERVICES LLC
Mining & Oil
|
-- | -- | 973 | 19 | 38 | 1.0% | 3.9% | 4.9% | 10 | 1.0 | 59% | 5% | -- | -- | -- | 45 | — | — | — | — | ☆ | |
| 37 |
Rio Tinto Services Inc.
Mining & Oil
|
-- | -- | 401 | 19 | 100 | 2.2% | 24.9% | 27.2% | 8 | 1.1 | 58% | 0% | -- | -- | -- | — | — | — | — | — | ☆ | |
| 38 |
ASARCO
Mining & Oil
|
-- | -- | 559 | 17 | 46 | 2.5% | 8.2% | 10.7% | 9 | 1.6 | 50% | 0% | -- | -- | -- | — | — | — | — | $317,600 | ☆ | |
| 39 |
EQUINOR US OPERATIONS LLC
Mining & Oil
|
-- | -- | 20,000 | 17 | 10 | 0.1% | 0.1% | 0.1% | 17 | 1.0 | 41% | 0% | -- | -- | -- | — | — | — | — | — | ☆ | |
| 40 |
HUNT OIL COMPANY
Mining & Oil
|
-- | -- | 600 | 17 | 15 | 1.7% | 2.5% | 4.2% | 4 | 2.5 | 50% | 0% | -- | -- | -- | — | — | — | — | — | ☆ |
What Perm4Real does
Search 300K+ employers
Full-text search across every PERM 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 ↗ filer in the federal database. Filter by industry, state, NAICS code, or SOC code.
17-year filing history
Quarterly time series for every employer from FY2008 to FY2026. See growth, decline, and pattern changes over time.
Wage level analysis
Distribution of Level I-IV PERM 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 ↗ wages per employer. Cross-referenced against BLS OES benchmarks.
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