Does MP Mine Operations LLC sponsor H-1B visas?

Yes. MP Mine Operations LLC filed 28 H-1B labor condition applications with the U.S. Department of Labor (FY2019-FY2026), of which 28 were certified. LCA filings are labor-condition applications certified by the U.S. Department of Labor, not active job postings or approved USCIS H-1B petitions.

How many H-1B applications has MP Mine Operations LLC filed?

MP Mine Operations LLC has 28 H-1B LCA filings on record spanning FY2019-FY2026 across 17 role titles and 4 worksites.

What roles does MP Mine Operations LLC sponsor for H-1B?

The most common H-1B role at MP Mine Operations LLC is Robotics Engineer (4 filings). Other frequent roles include Process Control Engineer, Senior Project Metallurgist, Sr. Metallurgical Engineer, Data Analyst, Business Intelligence.

What wages does MP Mine Operations LLC offer H-1B workers?

For its most-sponsored role (Robotics Engineer), MP Mine Operations LLC reported offered wages ranging from $110,000 to $120,000 in DOL LCA filings.

Home / Companies / MP Mine Operations LLC

MP Mine Operations LLC H-1B company data

Name: MP Mine Operations LLC H-1B / LCA filings
Creator: bluedoor

Summary

MP Mine Operations LLC filed 28 H-1B labor condition applications (LCAs) with the U.S. Department of Labor between FY2019-FY2026.

Of those, 28 were certified (a 100% certification rate among adjudicated filings).

The filings span 17 distinct role titles across 4 worksites.

The most-sponsored role was Robotics Engineer (4 filings), with offered wages from $110,000 to $120,000.

Separately, USCIS H-1B Employer Data Hub records show 7 approved and 0 denied H-1B petitions for this employer.

LCA filings are labor-condition applications certified by the U.S. Department of Labor, not active job postings or approved USCIS H-1B petitions.

Role rows Wage rows Trends

Employer	LCA filings	Role titles	Worksites	Coverage	USCIS approvals	Top role	Sources	Open
MP Mine Operations LLC MP Materials, DBA MP Materials, DBA MP MATERIALS	28	17	4	FY2019 to FY2026 Latest decision 2026-03-04	7	Robotics Engineer 4 filings	dol_oflc_lca, uscis_h1b_employer_data_hub	Profile

Activity summary

LCA filings	28
Certified LCAs	28
Denied LCAs	0
Role titles	17
Worksites	4
Latest decision	2026-03-04
USCIS approvals	7
USCIS denials	0

Aliases and source names

Aliases	Source Names	Sources
MP Materials, DBA MP Materials, DBA MP MATERIALS, MP MINE OPERATIONS LLC, MP MINE OPERATIONS LLC DBA MP MATE	MP Mine Operations LLC, MP MINE OPERATIONS LLC, MP MINE OPERATIONS LLC DBA MP MATE	dol_oflc_lca, uscis_h1b_employer_data_hub

Top roles

Title	SOC	LCA filings	Low wage min	High wage max
Robotics Engineer	17-2141.00 Mechanical Engineers	4	$110,000	$120,000
Process Control Engineer	17-2199.05 Mechatronics Engineers	3	$135,000	$135,000
Process Control Engineer	17-2112.00 Industrial Engineers	2	$115,000	$136,578
Senior Project Metallurgist	17-2131.00 Materials Engineers	2	$125,202	$145,000
SR. METALLURGICAL ENGINEER	17-2131.00 Materials Engineers	2	$100,818	$130,000
Data Analyst, Business Intelligence	15-1199.08 Business Intelligence Analysts	1	$89,440	$89,440
Engineer, Process Control	17-2112.00 Industrial Engineers	1	$135,000	$135,000
FINANCIAL ANALYST	13-2051 FINANCIAL ANALYSTS	1	$100,000	$100,000
FINANCIAL ANALYST	13-2051.00 Financial Analysts	1	$90,000	$120,000
Lead Engineer, Metallurgy	17-2131.00 Materials Engineers	1	$165,000	$165,000

Top markets

City	State	Postal Code	LCA Count	Role Title Count	Wage Low Min	Wage High Max	First Fiscal Year	Latest Fiscal Year
Mountain Pass	CA	92366	20	13	64,522	240,000	2,020	2,026
Westlake	TX	76262	4	1	110,000	120,000	2,023	2,023
Las Vegas	NV	89119	3	2	89,440	120,000	2,019	2,022
Las Vegas	NV	89135	1	1	149,350	149,350	2,025	2,025

Full company payload

Company ID	company:mp mine operations
Name	MP Mine Operations LLC
Normalized Name	mp mine operations
Source Company Ids	company_dol_oflc_lca_mp_mine_operations_llc, company_uscis_h1b_datahub_mp_mine_operations_llc_tax_5338, company_uscis_h1b_datahub_mp_mine_operations_llc_dba_mp_mate_tax_5338
Source Names	MP Mine Operations LLC, MP MINE OPERATIONS LLC, MP MINE OPERATIONS LLC DBA MP MATE
Aliases	MP Materials, DBA MP Materials, DBA MP MATERIALS, MP MINE OPERATIONS LLC, MP MINE OPERATIONS LLC DBA MP MATE
Sources	dol_oflc_lca, uscis_h1b_employer_data_hub

Names

{
  "source_names": [
    "MP Mine Operations LLC",
    "MP MINE OPERATIONS LLC",
    "MP MINE OPERATIONS LLC DBA MP MATE"
  ],
  "dba_names": [
    "MP Materials",
    "DBA MP Materials",
    "DBA MP MATERIALS"
  ],
  "name_variants": [
    {
      "value": "MP Materials",
      "filing_count": 19,
      "first_fiscal_year": 2020,
      "latest_fiscal_year": 2025,
      "source": "dol_oflc_lca"
    },
    {
      "value": "DBA MP Materials",
      "filing_count": 5,
      "first_fiscal_year": 2020,
      "latest_fiscal_year": 2023,
      "source": "dol_oflc_lca"
    },
    {
      "value": "MP Mine Operations LLC",
      "filing_count": 3,
      "first_fiscal_year": 2026,
      "latest_fiscal_year": 2026,
      "source": "dol_oflc_lca"
    },
    {
      "value": "DBA MP MATERIALS",
      "filing_count": 1,
      "first_fiscal_year": 2019,
      "latest_fiscal_year": 2019,
      "source": "dol_oflc_lca"
    },
    {
      "value": "MP MINE OPERATIONS LLC",
      "source": "uscis_h1b_employer_data_hub"
    },
    {
      "value": "MP MINE OPERATIONS LLC DBA MP MATE",
      "source": "uscis_h1b_employer_data_hub"
    }
  ]
}

Identifiers

[
  {
    "identifier_type": "tax_id_last_four",
    "identifier_value": "5338",
    "source": "uscis_h1b_employer_data_hub"
  }
]

LCA Activity

{
  "lca_count": 28,
  "case_count": 28,
  "role_title_count": 17,
  "worksite_count": 4,
  "total_workers": 28,
  "first_fiscal_year": 2019,
  "first_received_date": "2019-03-05",
  "latest_fiscal_year": 2026,
  "latest_decision_date": "2026-03-04",
  "certified_count": 28,
  "denied_count": 0,
  "status_breakdown": [
    {
      "value": "Certified",
      "filing_count": 25,
      "first_fiscal_year": 2020,
      "latest_fiscal_year": 2026,
      "source": "dol_oflc_lca"
    },
    {
      "value": "Certified - Withdrawn",
      "filing_count": 2,
      "first_fiscal_year": 2024,
      "latest_fiscal_year": 2024,
      "source": "dol_oflc_lca"
    },
    {
      "value": "CERTIFIED",
      "filing_count": 1,
      "first_fiscal_year": 2019,
      "latest_fiscal_year": 2019,
      "source": "dol_oflc_lca"
    }
  ],
  "visa_class_breakdown": [
    {
      "value": "H-1B",
      "filing_count": 27,
      "first_fiscal_year": 2019,
      "latest_fiscal_year": 2026,
      "source": "dol_oflc_lca"
    },
    {
      "value": "E-3 Australian",
      "filing_count": 1,
      "first_fiscal_year": 2026,
      "latest_fiscal_year": 2026,
      "source": "dol_oflc_lca"
    }
  ],
  "full_time_position_breakdown": [
    {
      "value": "Y",
      "filing_count": 27,
      "first_fiscal_year": 2019,
      "latest_fiscal_year": 2026,
      "source": "dol_oflc_lca"
    },
    {
      "value": "N",
      "filing_count": 1,
      "first_fiscal_year": 2020,
      "latest_fiscal_year": 2020,
      "source": "dol_oflc_lca"
    }
  ]
}

Petition Activity

{
  "initial_approval": 0,
  "initial_denial": 0,
  "continuing_approval": 0,
  "continuing_denial": 0,
  "total_approval": 7,
  "total_denial": 0,
  "fiscal_years": [
    "2019",
    "2020",
    "2022",
    "2023"
  ],
  "year_metrics": [
    {
      "cities": [
        "Las Vegas"
      ],
      "states": [
        "NV"
      ],
      "fiscal_year": 2022,
      "naics_codes": [
        "21"
      ],
      "postal_codes": [
        "89119"
      ],
      "total_denial": 0,
      "initial_denial": 0,
      "total_approval": 3,
      "initial_approval": 1,
      "continuing_denial": 0,
      "petition_count_id": "petition_count_uscis_h1b_archive_mp_mine_operations_llc_tax_5338_2022",
      "source_record_ids": [
        "sr_uscis_h1b_datahub_2022_row_035104",
        "sr_uscis_h1b_datahub_2022_row_035105"
      ],
      "continuing_approval": 2
    },
    {
      "cities": [
        "Las Vegas"
      ],
      "states": [
        "NV"
      ],
      "fiscal_year": 2023,
      "naics_codes": [
        "21"
      ],
      "postal_codes": [
        "89119"
      ],
      "total_denial": 0,
      "initial_denial": 0,
      "total_approval": 1,
      "initial_approval": 0,
      "continuing_denial": 0,
      "petition_count_id": "petition_count_uscis_h1b_archive_mp_mine_operations_llc_tax_5338_2023",
      "source_record_ids": [
        "sr_uscis_h1b_datahub_2023_row_019324"
      ],
      "continuing_approval": 1
    },
    {
      "cities": [
        "Mountain Pass"
      ],
      "states": [
        "CA"
      ],
      "fiscal_year": 2019,
      "naics_codes": [
        "21"
      ],
      "postal_codes": [
        "92366"
      ],
      "total_denial": 0,
      "initial_denial": 0,
      "total_approval": 1,
      "initial_approval": 1,
      "continuing_denial": 0,
      "petition_count_id": "petition_count_uscis_h1b_archive_mp_mine_operations_llc_dba_mp_mate_tax_5338_2019",
      "source_record_ids": [
        "sr_uscis_h1b_datahub_2019_row_051428"
      ],
      "continuing_approval": 0
    },
    {
      "cities": [
        "Mountain Pass"
      ],
      "states": [
        "CA"
      ],
      "fiscal_year": 2020,
      "naics_codes": [
        "21"
      ],
      "postal_codes": [
        "92366"
      ],
      "total_denial": 0,
      "initial_denial": 0,
      "total_approval": 2,
      "initial_approval": 2,
      "continuing_denial": 0,
      "petition_count_id": "petition_count_uscis_h1b_archive_mp_mine_operations_llc_dba_mp_mate_tax_5338_2020",
      "source_record_ids": [
        "sr_uscis_h1b_datahub_2020_row_032523"
      ],
      "continuing_approval": 0
    }
  ]
}

Addresses

{
  "office_addresses": [
    {
      "address_kind": "office",
      "address_line_1": "1700 S Pavilion Center Drive",
      "address_line_2": "Suite 800",
      "raw_address": "1700 S Pavilion Center Drive Suite 800 LAS VEGAS NV 89135",
      "city": "Las Vegas",
      "state": "NV",
      "postal_code": "89135",
      "filing_count": 3,
      "case_count": 3,
      "first_fiscal_year": 2026,
      "latest_fiscal_year": 2026,
      "latest_decision_date": "2026-03-04",
      "source_ids": [
        "dol_oflc_lca"
      ]
    },
    {
      "address_kind": "office",
      "raw_address": "LAS VEGAS NV 89135",
      "city": "Las Vegas",
      "state": "NV",
      "postal_code": "89135",
      "filing_count": 12,
      "case_count": 12,
      "first_fiscal_year": 2023,
      "latest_fiscal_year": 2025,
      "latest_decision_date": "2025-06-05",
      "source_ids": [
        "dol_oflc_lca"
      ]
    },
    {
      "address_kind": "office",
      "raw_address": "LAS VEGAS CA 89135",
      "city": "Las Vegas",
      "state": "CA",
      "postal_code": "89135",
      "filing_count": 1,
      "case_count": 1,
      "first_fiscal_year": 2025,
      "latest_fiscal_year": 2025,
      "latest_decision_date": "2025-05-09",
      "source_ids": [
        "dol_oflc_lca"
      ]
    },
    {
      "address_kind": "office",
      "raw_address": "MOUNTAIN PASS CA 92366",
      "city": "Mountain Pass",
      "state": "CA",
      "postal_code": "92366",
      "filing_count": 7,
      "case_count": 7,
      "first_fiscal_year": 2019,
      "latest_fiscal_year": 2024,
      "latest_decision_date": "2024-02-16",
      "source_ids": [
        "dol_oflc_lca"
      ]
    },
    {
      "address_kind": "office",
      "raw_address": "LAS VEGAS NV 89119",
      "city": "Las Vegas",
      "state": "NV",
      "postal_code": "89119",
      "filing_count": 5,
      "case_count": 5,
      "first_fiscal_year": 2022,
      "latest_fiscal_year": 2023,
      "latest_decision_date": "2022-10-18",
      "source_ids": [
        "dol_oflc_lca"
      ]
    }
  ],
  "worksite_addresses": [
    {
      "address_kind": "worksite",
      "address_line_1": "67750 Bailey Road",
      "raw_address": "67750 Bailey Road  MOUNTAIN PASS CA 92366",
      "city": "Mountain Pass",
      "state": "CA",
      "postal_code": "92366",
      "filing_count": 3,
      "case_count": 3,
      "first_fiscal_year": 2026,
      "latest_fiscal_year": 2026,
      "latest_decision_date": "2026-03-04",
      "source_ids": [
        "dol_oflc_lca"
      ]
    },
    {
      "address_kind": "worksite",
      "raw_address": "MOUNTAIN PASS CA 92366",
      "city": "Mountain Pass",
      "county": "San Bernardino",
      "state": "CA",
      "postal_code": "92366",
      "filing_count": 17,
      "case_count": 17,
      "first_fiscal_year": 2020,
      "latest_fiscal_year": 2025,
      "latest_decision_date": "2025-05-16",
      "source_ids": [
        "dol_oflc_lca"
      ]
    },
    {
      "address_kind": "worksite",
      "raw_address": "LAS VEGAS NV 89135",
      "city": "Las Vegas",
      "county": "Clark",
      "state": "NV",
      "postal_code": "89135",
      "filing_count": 1,
      "case_count": 1,
      "first_fiscal_year": 2025,
      "latest_fiscal_year": 2025,
      "latest_decision_date": "2025-06-05",
      "source_ids": [
        "dol_oflc_lca"
      ]
    },
    {
      "address_kind": "worksite",
      "raw_address": "WESTLAKE TX 76262",
      "city": "Westlake",
      "county": "Denton",
      "state": "TX",
      "postal_code": "76262",
      "filing_count": 4,
      "case_count": 4,
      "first_fiscal_year": 2023,
      "latest_fiscal_year": 2023,
      "latest_decision_date": "2022-10-18",
      "source_ids": [
        "dol_oflc_lca"
      ]
    },
    {
      "address_kind": "worksite",
      "raw_address": "LAS VEGAS NV 89119",
      "city": "Las Vegas",
      "county": "Clark",
      "state": "NV",
      "postal_code": "89119",
      "filing_count": 3,
      "case_count": 3,
      "first_fiscal_year": 2019,
      "latest_fiscal_year": 2022,
      "latest_decision_date": "2022-03-28",
      "source_ids": [
        "dol_oflc_lca"
      ]
    }
  ],
  "summary": {
    "office_address_count": 5,
    "worksite_address_count": 5,
    "has_street_address_evidence": true,
    "caveat": "LCA employer/worksite addresses are capped filing evidence scoped to matched source company names and should not be treated as verified headquarters without external validation."
  }
}

Geography

{
  "states": [
    "CA",
    "TX",
    "NV"
  ],
  "cities": [
    "Mountain Pass",
    "Westlake",
    "Las Vegas"
  ],
  "postal_codes": [
    "92366",
    "76262",
    "89119",
    "89135"
  ],
  "top_markets": [
    {
      "city": "Mountain Pass",
      "state": "CA",
      "postal_code": "92366",
      "lca_count": 20,
      "role_title_count": 13,
      "wage_low_min": 64522,
      "wage_high_max": 240000,
      "first_fiscal_year": 2020,
      "latest_fiscal_year": 2026
    },
    {
      "city": "Westlake",
      "state": "TX",
      "postal_code": "76262",
      "lca_count": 4,
      "role_title_count": 1,
      "wage_low_min": 110000,
      "wage_high_max": 120000,
      "first_fiscal_year": 2023,
      "latest_fiscal_year": 2023
    },
    {
      "city": "Las Vegas",
      "state": "NV",
      "postal_code": "89119",
      "lca_count": 3,
      "role_title_count": 2,
      "wage_low_min": 89440,
      "wage_high_max": 120000,
      "first_fiscal_year": 2019,
      "latest_fiscal_year": 2022
    },
    {
      "city": "Las Vegas",
      "state": "NV",
      "postal_code": "89135",
      "lca_count": 1,
      "role_title_count": 1,
      "wage_low_min": 149350,
      "wage_high_max": 149350,
      "first_fiscal_year": 2025,
      "latest_fiscal_year": 2025
    }
  ]
}

Industry

{
  "naics_codes": [
    "21229",
    "21"
  ],
  "naics_breakdown": [
    {
      "value": "21229",
      "filing_count": 24,
      "first_fiscal_year": 2019,
      "latest_fiscal_year": 2026,
      "source": "dol_oflc_lca"
    },
    {
      "value": "2122",
      "filing_count": 4,
      "first_fiscal_year": 2022,
      "latest_fiscal_year": 2023,
      "source": "dol_oflc_lca"
    }
  ]
}

Wage Summary

{
  "annualized_low_min": 64522,
  "annualized_high_max": 240000,
  "annualized_low_avg": 124205.785714286
}

Trend

[
  {
    "fiscal_year": 2019,
    "quarter": "Q2",
    "lca_count": 1,
    "case_count": 1,
    "role_title_count": 1,
    "worksite_count": 1,
    "wage_low_min": 100000,
    "wage_high_max": 100000,
    "wage_low_avg": 100000
  },
  {
    "fiscal_year": 2020,
    "quarter": "Q1",
    "lca_count": 1,
    "case_count": 1,
    "role_title_count": 1,
    "worksite_count": 1,
    "wage_low_min": 102000,
    "wage_high_max": 102000,
    "wage_low_avg": 102000
  },
  {
    "fiscal_year": 2020,
    "quarter": "Q3",
    "lca_count": 1,
    "case_count": 1,
    "role_title_count": 1,
    "worksite_count": 1,
    "wage_low_min": 89440,
    "wage_high_max": 89440,
    "wage_low_avg": 89440
  },
  {
    "fiscal_year": 2022,
    "quarter": "Q1",
    "lca_count": 1,
    "case_count": 1,
    "role_title_count": 1,
    "worksite_count": 1,
    "wage_low_min": 95000,
    "wage_high_max": 106000,
    "wage_low_avg": 95000
  },
  {
    "fiscal_year": 2022,
    "quarter": "Q2",
    "lca_count": 1,
    "case_count": 1,
    "role_title_count": 1,
    "worksite_count": 1,
    "wage_low_min": 90000,
    "wage_high_max": 120000,
    "wage_low_avg": 90000
  },
  {
    "fiscal_year": 2022,
    "quarter": "Q4",
    "lca_count": 1,
    "case_count": 1,
    "role_title_count": 1,
    "worksite_count": 1,
    "wage_low_min": 100818,
    "wage_high_max": 130000,
    "wage_low_avg": 100818
  },
  {
    "fiscal_year": 2023,
    "quarter": "Q1",
    "lca_count": 2,
    "case_count": 2,
    "role_title_count": 1,
    "worksite_count": 1,
    "wage_low_min": 110000,
    "wage_high_max": 120000,
    "wage_low_avg": 110000
  },
  {
    "fiscal_year": 2023,
    "quarter": "Q2",
    "lca_count": 2,
    "case_count": 2,
    "role_title_count": 1,
    "worksite_count": 1,
    "wage_low_min": 110000,
    "wage_high_max": 120000,
    "wage_low_avg": 110000
  },
  {
    "fiscal_year": 2023,
    "quarter": "Q4",
    "lca_count": 1,
    "case_count": 1,
    "role_title_count": 1,
    "worksite_count": 1,
    "wage_low_min": 125202,
    "wage_high_max": 145000,
    "wage_low_avg": 125202
  },
  {
    "fiscal_year": 2024,
    "quarter": "Q2",
    "lca_count": 3,
    "case_count": 3,
    "role_title_count": 3,
    "worksite_count": 1,
    "wage_low_min": 64522,
    "wage_high_max": 145000,
    "wage_low_avg": 101574.666666667
  },
  {
    "fiscal_year": 2024,
    "quarter": "Q3",
    "lca_count": 1,
    "case_count": 1,
    "role_title_count": 1,
    "worksite_count": 1,
    "wage_low_min": 140000,
    "wage_high_max": 160000,
    "wage_low_avg": 140000
  },
  {
    "fiscal_year": 2024,
    "quarter": "Q4",
    "lca_count": 1,
    "case_count": 1,
    "role_title_count": 1,
    "worksite_count": 1,
    "wage_low_min": 153000,
    "wage_high_max": 153000,
    "wage_low_avg": 153000
  },
  {
    "fiscal_year": 2025,
    "quarter": "Q3",
    "lca_count": 9,
    "case_count": 9,
    "role_title_count": 5,
    "worksite_count": 2,
    "wage_low_min": 125000,
    "wage_high_max": 159650,
    "wage_low_avg": 138064.222222222
  },
  {
    "fiscal_year": 2026,
    "quarter": "Q2",
    "lca_count": 3,
    "case_count": 3,
    "role_title_count": 3,
    "worksite_count": 1,
    "wage_low_min": 90000,
    "wage_high_max": 240000,
    "wage_low_avg": 165000
  }
]

Links

{
  "roles": "/v1/roles?company=MP%20Mine%20Operations%20LLC",
  "wages": "/v1/wages?company=MP%20Mine%20Operations%20LLC",
  "trends": "/v1/trends?company=MP%20Mine%20Operations%20LLC"
}

Frequently asked questions

Does MP Mine Operations LLC sponsor H-1B visas?: Yes. MP Mine Operations LLC filed 28 H-1B labor condition applications with the U.S. Department of Labor (FY2019-FY2026), of which 28 were certified. LCA filings are labor-condition applications certified by the U.S. Department of Labor, not active job postings or approved USCIS H-1B petitions.
How many H-1B applications has MP Mine Operations LLC filed?: MP Mine Operations LLC has 28 H-1B LCA filings on record spanning FY2019-FY2026 across 17 role titles and 4 worksites.
What roles does MP Mine Operations LLC sponsor for H-1B?: The most common H-1B role at MP Mine Operations LLC is Robotics Engineer (4 filings). Other frequent roles include Process Control Engineer, Senior Project Metallurgist, Sr. Metallurgical Engineer, Data Analyst, Business Intelligence.
What wages does MP Mine Operations LLC offer H-1B workers?: For its most-sponsored role (Robotics Engineer), MP Mine Operations LLC reported offered wages ranging from $110,000 to $120,000 in DOL LCA filings.

Get this page with API

Rendered from the bluedoor H-1B Jobs API. Reproduce it:

GET https://api.bluedoor.sh/h1b-jobs/v1/companies?q=mp+mine+operations+llc&limit=5JSON

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