Home / Companies / Amphastar Pharmaceuticals, Inc.

Amphastar Pharmaceuticals, Inc. H-1B company data

Employer profile assembled from DOL OFLC LCA rows and USCIS H-1B Employer Data Hub petition summaries. Rows below include aliases, source IDs, filing coverage, petition counts, role coverage, worksite coverage, and wage summary fields when present.

Role rows Wage rows Trends

Employer	LCA filings	Role titles	Worksites	Coverage	USCIS approvals	Top role	Sources	Open
Amphastar Pharmaceuticals, Inc. AMPHASTAR PHARMACEUTICALS INC	86	38	2	FY2016 to FY2026 Latest decision 2026-02-20	54	Mechanical Engineer 9 filings	dol_oflc_lca, uscis_h1b_employer_data_hub	Profile

Activity summary

LCA filings	86
Certified LCAs	83
Denied LCAs	0
Role titles	38
Worksites	2
Latest decision	2026-02-20
USCIS approvals	54
USCIS denials	2

Aliases and source names

Aliases	Source Names	Sources
AMPHASTAR PHARMACEUTICALS INC	Amphastar Pharmaceuticals, Inc., AMPHASTAR PHARMACEUTICALS INC	dol_oflc_lca, uscis_h1b_employer_data_hub

Top roles

Title	SOC	LCA filings	Low wage min	High wage max
Mechanical Engineer	17-2141.00 Mechanical Engineers	9	$72,800	$116,480
CHEMICAL ENGINEER	17-2041	6	$62,005	$0
MECHANICAL ENGINEER	17-2141 MECHANICAL ENGINEERS	6	$56,160	$70,720
RESEARCHER	19-2031 CHEMISTS	5	$66,560	$68,640
Supervisor of Executive Office	13-1161.00 Market Research Analysts and Marketing Specialists	4	$76,960	$104,000
ASSISTANT SUPERVISOR OF ADMIN GROUP OF EXECUTIVE OF OFFICE	13-1161 MARKET RESEARCH ANALYSTS AND MARKETING SPECIALISTS	2	$52,000	$54,080
CHEMIST	19-2031 CHEMISTS	2	$56,160	$56,160
DATA ANALYST	15-2041 STATISTICIANS	2	$40,019	$54,080
Data and Document Analyst	15-2041.00 Statisticians	2	$93,600	$93,600
ELECTRICAL ENGINEER	17-2071 ELECTRICAL ENGINEERS	2	$60,320	$62,400

Top markets

City	State	Postal Code	LCA Count	Role Title Count	Wage Low Min	Wage High Max	First Fiscal Year	Latest Fiscal Year
Rancho Cucamonga	CA	91730	85	37	40,019	178,880	2,016	2,026
Chino	CA	91710	1	1	110,365	158,725	2,025	2,025

Full company payload

Company ID	company:amphastar pharmaceuticals
Name	Amphastar Pharmaceuticals, Inc.
Normalized Name	amphastar pharmaceuticals
Source Company Ids	company_dol_oflc_lca_amphastar_pharmaceuticals_inc, company_uscis_h1b_datahub_amphastar_pharmaceuticals_inc_tax_2205
Source Names	Amphastar Pharmaceuticals, Inc., AMPHASTAR PHARMACEUTICALS INC
Aliases	AMPHASTAR PHARMACEUTICALS INC
Sources	dol_oflc_lca, uscis_h1b_employer_data_hub

Names

{
  "source_names": [
    "Amphastar Pharmaceuticals, Inc.",
    "AMPHASTAR PHARMACEUTICALS INC"
  ],
  "dba_names": [],
  "name_variants": [
    {
      "value": "AMPHASTAR PHARMACEUTICALS, INC.",
      "filing_count": 48,
      "first_fiscal_year": 2016,
      "latest_fiscal_year": 2019,
      "source": "dol_oflc_lca"
    },
    {
      "value": "Amphastar Pharmaceuticals, Inc.",
      "filing_count": 27,
      "first_fiscal_year": 2020,
      "latest_fiscal_year": 2026,
      "source": "dol_oflc_lca"
    },
    {
      "value": "Amphastar Pharmaceuticals Inc.",
      "filing_count": 7,
      "first_fiscal_year": 2024,
      "latest_fiscal_year": 2026,
      "source": "dol_oflc_lca"
    },
    {
      "value": "Amphastar Pharmaceuticals, Inc",
      "filing_count": 4,
      "first_fiscal_year": 2020,
      "latest_fiscal_year": 2021,
      "source": "dol_oflc_lca"
    },
    {
      "value": "AMPHASTAR PHARMACEUTICALS INC",
      "source": "uscis_h1b_employer_data_hub"
    }
  ]
}

Identifiers

[
  {
    "identifier_type": "tax_id_last_four",
    "identifier_value": "2205",
    "source": "uscis_h1b_employer_data_hub"
  }
]

LCA Activity

{
  "lca_count": 86,
  "case_count": 86,
  "role_title_count": 38,
  "worksite_count": 2,
  "total_workers": 86,
  "first_fiscal_year": 2016,
  "first_received_date": "2014-04-23",
  "latest_fiscal_year": 2026,
  "latest_decision_date": "2026-02-20",
  "certified_count": 83,
  "denied_count": 0,
  "status_breakdown": [
    {
      "value": "Certified",
      "filing_count": 35,
      "first_fiscal_year": 2020,
      "latest_fiscal_year": 2026,
      "source": "dol_oflc_lca"
    },
    {
      "value": "CERTIFIED",
      "filing_count": 31,
      "first_fiscal_year": 2016,
      "latest_fiscal_year": 2019,
      "source": "dol_oflc_lca"
    },
    {
      "value": "CERTIFIED-WITHDRAWN",
      "filing_count": 16,
      "first_fiscal_year": 2016,
      "latest_fiscal_year": 2019,
      "source": "dol_oflc_lca"
    },
    {
      "value": "Withdrawn",
      "filing_count": 2,
      "first_fiscal_year": 2020,
      "latest_fiscal_year": 2022,
      "source": "dol_oflc_lca"
    },
    {
      "value": "Certified - Withdrawn",
      "filing_count": 1,
      "first_fiscal_year": 2024,
      "latest_fiscal_year": 2024,
      "source": "dol_oflc_lca"
    },
    {
      "value": "WITHDRAWN",
      "filing_count": 1,
      "first_fiscal_year": 2017,
      "latest_fiscal_year": 2017,
      "source": "dol_oflc_lca"
    }
  ],
  "visa_class_breakdown": [
    {
      "value": "H-1B",
      "filing_count": 86,
      "first_fiscal_year": 2016,
      "latest_fiscal_year": 2026,
      "source": "dol_oflc_lca"
    }
  ],
  "full_time_position_breakdown": [
    {
      "value": "Y",
      "filing_count": 72,
      "first_fiscal_year": 2017,
      "latest_fiscal_year": 2026,
      "source": "dol_oflc_lca"
    },
    {
      "value": "N",
      "filing_count": 5,
      "first_fiscal_year": 2017,
      "latest_fiscal_year": 2018,
      "source": "dol_oflc_lca"
    }
  ]
}

Petition Activity

{
  "initial_approval": 0,
  "initial_denial": 0,
  "continuing_approval": 0,
  "continuing_denial": 0,
  "total_approval": 54,
  "total_denial": 2,
  "fiscal_years": [
    "2009",
    "2010",
    "2011",
    "2012",
    "2013",
    "2014",
    "2015",
    "2016",
    "2017",
    "2018",
    "2019",
    "2020",
    "2021",
    "2022",
    "2023"
  ],
  "year_metrics": [
    {
      "cities": [
        "Rancho Cucamonga"
      ],
      "states": [
        "CA"
      ],
      "fiscal_year": 2009,
      "naics_codes": [
        "32"
      ],
      "postal_codes": [
        "91730"
      ],
      "total_denial": 0,
      "initial_denial": 0,
      "total_approval": 3,
      "initial_approval": 1,
      "continuing_denial": 0,
      "petition_count_id": "petition_count_uscis_h1b_archive_amphastar_pharmaceuticals_inc_tax_2205_2009",
      "source_record_ids": [
        "sr_uscis_h1b_datahub_2009_row_031893"
      ],
      "continuing_approval": 2
    },
    {
      "cities": [
        "Rancho Cucamonga"
      ],
      "states": [
        "CA"
      ],
      "fiscal_year": 2010,
      "naics_codes": [
        "32"
      ],
      "postal_codes": [
        "91730"
      ],
      "total_denial": 0,
      "initial_denial": 0,
      "total_approval": 1,
      "initial_approval": 1,
      "continuing_denial": 0,
      "petition_count_id": "petition_count_uscis_h1b_archive_amphastar_pharmaceuticals_inc_tax_2205_2010",
      "source_record_ids": [
        "sr_uscis_h1b_datahub_2010_row_026554"
      ],
      "continuing_approval": 0
    },
    {
      "cities": [
        "Rancho Cucamonga"
      ],
      "states": [
        "CA"
      ],
      "fiscal_year": 2011,
      "naics_codes": [
        "32"
      ],
      "postal_codes": [
        "91730"
      ],
      "total_denial": 0,
      "initial_denial": 0,
      "total_approval": 2,
      "initial_approval": 1,
      "continuing_denial": 0,
      "petition_count_id": "petition_count_uscis_h1b_archive_amphastar_pharmaceuticals_inc_tax_2205_2011",
      "source_record_ids": [
        "sr_uscis_h1b_datahub_2011_row_031012"
      ],
      "continuing_approval": 1
    },
    {
      "cities": [
        "Rancho Cucamonga"
      ],
      "states": [
        "CA"
      ],
      "fiscal_year": 2012,
      "naics_codes": [
        "32"
      ],
      "postal_codes": [
        "91730"
      ],
      "total_denial": 0,
      "initial_denial": 0,
      "total_approval": 1,
      "initial_approval": 0,
      "continuing_denial": 0,
      "petition_count_id": "petition_count_uscis_h1b_archive_amphastar_pharmaceuticals_inc_tax_2205_2012",
      "source_record_ids": [
        "sr_uscis_h1b_datahub_2012_row_027750"
      ],
      "continuing_approval": 1
    },
    {
      "cities": [
        "Rancho Cucamonga"
      ],
      "states": [
        "CA"
      ],
      "fiscal_year": 2013,
      "naics_codes": [
        "32"
      ],
      "postal_codes": [
        "91730"
      ],
      "total_denial": 0,
      "initial_denial": 0,
      "total_approval": 2,
      "initial_approval": 0,
      "continuing_denial": 0,
      "petition_count_id": "petition_count_uscis_h1b_archive_amphastar_pharmaceuticals_inc_tax_2205_2013",
      "source_record_ids": [
        "sr_uscis_h1b_datahub_2013_row_026106"
      ],
      "continuing_approval": 2
    },
    {
      "cities": [
        "Rancho Cucamonga"
      ],
      "states": [
        "CA"
      ],
      "fiscal_year": 2014,
      "naics_codes": [
        "32"
      ],
      "postal_codes": [
        "91730"
      ],
      "total_denial": 0,
      "initial_denial": 0,
      "total_approval": 4,
      "initial_approval": 2,
      "continuing_denial": 0,
      "petition_count_id": "petition_count_uscis_h1b_archive_amphastar_pharmaceuticals_inc_tax_2205_2014",
      "source_record_ids": [
        "sr_uscis_h1b_datahub_2014_row_026055"
      ],
      "continuing_approval": 2
    },
    {
      "cities": [
        "Rancho Cucamonga"
      ],
      "states": [
        "CA"
      ],
      "fiscal_year": 2015,
      "naics_codes": [
        "32"
      ],
      "postal_codes": [
        "91730"
      ],
      "total_denial": 0,
      "initial_denial": 0,
      "total_approval": 2,
      "initial_approval": 1,
      "continuing_denial": 0,
      "petition_count_id": "petition_count_uscis_h1b_archive_amphastar_pharmaceuticals_inc_tax_2205_2015",
      "source_record_ids": [
        "sr_uscis_h1b_datahub_2015_row_021080"
      ],
      "continuing_approval": 1
    },
    {
      "cities": [
        "Rancho Cucamonga"
      ],
      "states": [
        "CA"
      ],
      "fiscal_year": 2016,
      "naics_codes": [
        "32"
      ],
      "postal_codes": [
        "91730"
      ],
      "total_denial": 0,
      "initial_denial": 0,
      "total_approval": 3,
      "initial_approval": 3,
      "continuing_denial": 0,
      "petition_count_id": "petition_count_uscis_h1b_archive_amphastar_pharmaceuticals_inc_tax_2205_2016",
      "source_record_ids": [
        "sr_uscis_h1b_datahub_2016_row_021970"
      ],
      "continuing_approval": 0
    },
    {
      "cities": [
        "Rancho Cucamonga"
      ],
      "states": [
        "CA"
      ],
      "fiscal_year": 2017,
      "naics_codes": [
        "32"
      ],
      "postal_codes": [
        "91730"
      ],
      "total_denial": 1,
      "initial_denial": 1,
      "total_approval": 3,
      "initial_approval": 1,
      "continuing_denial": 0,
      "petition_count_id": "petition_count_uscis_h1b_archive_amphastar_pharmaceuticals_inc_tax_2205_2017",
      "source_record_ids": [
        "sr_uscis_h1b_datahub_2017_row_019627"
      ],
      "continuing_approval": 2
    },
    {
      "cities": [
        "Rancho Cucamonga"
      ],
      "states": [
        "CA"
      ],
      "fiscal_year": 2018,
      "naics_codes": [
        "32",
        "62"
      ],
      "postal_codes": [
        "91730"
      ],
      "total_denial": 0,
      "initial_denial": 0,
      "total_approval": 6,
      "initial_approval": 4,
      "continuing_denial": 0,
      "petition_count_id": "petition_count_uscis_h1b_archive_amphastar_pharmaceuticals_inc_tax_2205_2018",
      "source_record_ids": [
        "sr_uscis_h1b_datahub_2018_row_021341",
        "sr_uscis_h1b_datahub_2018_row_021342"
      ],
      "continuing_approval": 2
    },
    {
      "cities": [
        "Rancho Cucamonga"
      ],
      "states": [
        "CA"
      ],
      "fiscal_year": 2019,
      "naics_codes": [
        "32"
      ],
      "postal_codes": [
        "91730"
      ],
      "total_denial": 0,
      "initial_denial": 0,
      "total_approval": 11,
      "initial_approval": 4,
      "continuing_denial": 0,
      "petition_count_id": "petition_count_uscis_h1b_archive_amphastar_pharmaceuticals_inc_tax_2205_2019",
      "source_record_ids": [
        "sr_uscis_h1b_datahub_2019_row_021229"
      ],
      "continuing_approval": 7
    },
    {
      "cities": [
        "Rancho Cucamonga",
        "Rch Cucamonga"
      ],
      "states": [
        "CA"
      ],
      "fiscal_year": 2020,
      "naics_codes": [
        "32"
      ],
      "postal_codes": [
        "91730"
      ],
      "total_denial": 1,
      "initial_denial": 1,
      "total_approval": 3,
      "initial_approval": 1,
      "continuing_denial": 0,
      "petition_count_id": "petition_count_uscis_h1b_archive_amphastar_pharmaceuticals_inc_tax_2205_2020",
      "source_record_ids": [
        "sr_uscis_h1b_datahub_2020_row_003081",
        "sr_uscis_h1b_datahub_2020_row_003082"
      ],
      "continuing_approval": 2
    },
    {
      "cities": [
        "Rancho Cucamonga",
        "Rch Cucamonga"
      ],
      "states": [
        "CA"
      ],
      "fiscal_year": 2021,
      "naics_codes": [
        "32"
      ],
      "postal_codes": [
        "91730"
      ],
      "total_denial": 0,
      "initial_denial": 0,
      "total_approval": 5,
      "initial_approval": 4,
      "continuing_denial": 0,
      "petition_count_id": "petition_count_uscis_h1b_archive_amphastar_pharmaceuticals_inc_tax_2205_2021",
      "source_record_ids": [
        "sr_uscis_h1b_datahub_2021_row_003497",
        "sr_uscis_h1b_datahub_2021_row_003498"
      ],
      "continuing_approval": 1
    },
    {
      "cities": [
        "Rancho Cucamonga"
      ],
      "states": [
        "CA"
      ],
      "fiscal_year": 2022,
      "naics_codes": [
        "32"
      ],
      "postal_codes": [
        "91730"
      ],
      "total_denial": 0,
      "initial_denial": 0,
      "total_approval": 6,
      "initial_approval": 1,
      "continuing_denial": 0,
      "petition_count_id": "petition_count_uscis_h1b_archive_amphastar_pharmaceuticals_inc_tax_2205_2022",
      "source_record_ids": [
        "sr_uscis_h1b_datahub_2022_row_003388"
      ],
      "continuing_approval": 5
    },
    {
      "cities": [
        "Rancho Cucamonga"
      ],
      "states": [
        "CA"
      ],
      "fiscal_year": 2023,
      "naics_codes": [
        "32"
      ],
      "postal_codes": [
        "91730"
      ],
      "total_denial": 0,
      "initial_denial": 0,
      "total_approval": 2,
      "initial_approval": 1,
      "continuing_denial": 0,
      "petition_count_id": "petition_count_uscis_h1b_archive_amphastar_pharmaceuticals_inc_tax_2205_2023",
      "source_record_ids": [
        "sr_uscis_h1b_datahub_2023_row_001938"
      ],
      "continuing_approval": 1
    }
  ]
}

Addresses

{
  "office_addresses": [
    {
      "address_kind": "office",
      "address_line_1": "11570 6th Street",
      "raw_address": "11570 6th Street  RANCHO CUCAMONGA CA 91730",
      "city": "Rancho Cucamonga",
      "state": "CA",
      "postal_code": "91730",
      "filing_count": 2,
      "case_count": 2,
      "first_fiscal_year": 2026,
      "latest_fiscal_year": 2026,
      "latest_decision_date": "2026-02-20",
      "source_ids": [
        "dol_oflc_lca"
      ]
    },
    {
      "address_kind": "office",
      "raw_address": "RANCHO CUCAMONGA CA 91730",
      "city": "Rancho Cucamonga",
      "state": "CA",
      "postal_code": "91730",
      "filing_count": 84,
      "case_count": 84,
      "first_fiscal_year": 2016,
      "latest_fiscal_year": 2025,
      "latest_decision_date": "2025-06-27",
      "source_ids": [
        "dol_oflc_lca"
      ]
    }
  ],
  "worksite_addresses": [
    {
      "address_kind": "worksite",
      "address_line_1": "11570 6th Street",
      "raw_address": "11570 6th Street  RANCHO CUCAMONGA CA 91730",
      "city": "Rancho Cucamonga",
      "state": "CA",
      "postal_code": "91730",
      "filing_count": 2,
      "case_count": 2,
      "first_fiscal_year": 2026,
      "latest_fiscal_year": 2026,
      "latest_decision_date": "2026-02-20",
      "source_ids": [
        "dol_oflc_lca"
      ]
    },
    {
      "address_kind": "worksite",
      "raw_address": "RANCHO CUCAMONGA CA 91730",
      "city": "Rancho Cucamonga",
      "county": "San Bernardino",
      "state": "CA",
      "postal_code": "91730",
      "filing_count": 83,
      "case_count": 83,
      "first_fiscal_year": 2016,
      "latest_fiscal_year": 2025,
      "latest_decision_date": "2025-06-27",
      "source_ids": [
        "dol_oflc_lca"
      ]
    },
    {
      "address_kind": "worksite",
      "raw_address": "CHINO CA 91710",
      "city": "Chino",
      "county": "San Bernardino",
      "state": "CA",
      "postal_code": "91710",
      "filing_count": 1,
      "case_count": 1,
      "first_fiscal_year": 2025,
      "latest_fiscal_year": 2025,
      "latest_decision_date": "2025-06-03",
      "source_ids": [
        "dol_oflc_lca"
      ]
    }
  ],
  "summary": {
    "office_address_count": 2,
    "worksite_address_count": 3,
    "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"
  ],
  "cities": [
    "Rancho Cucamonga",
    "Chino",
    "Rch Cucamonga"
  ],
  "postal_codes": [
    "91730",
    "91710"
  ],
  "top_markets": [
    {
      "city": "Rancho Cucamonga",
      "state": "CA",
      "postal_code": "91730",
      "lca_count": 85,
      "role_title_count": 37,
      "wage_low_min": 40019,
      "wage_high_max": 178880,
      "first_fiscal_year": 2016,
      "latest_fiscal_year": 2026
    },
    {
      "city": "Chino",
      "state": "CA",
      "postal_code": "91710",
      "lca_count": 1,
      "role_title_count": 1,
      "wage_low_min": 110365,
      "wage_high_max": 158725,
      "first_fiscal_year": 2025,
      "latest_fiscal_year": 2025
    }
  ]
}

Industry

{
  "naics_codes": [
    "325412",
    "32",
    "62"
  ],
  "naics_breakdown": [
    {
      "value": "32541",
      "filing_count": 70,
      "first_fiscal_year": 2017,
      "latest_fiscal_year": 2026,
      "source": "dol_oflc_lca"
    },
    {
      "value": "325412",
      "filing_count": 7,
      "first_fiscal_year": 2024,
      "latest_fiscal_year": 2026,
      "source": "dol_oflc_lca"
    }
  ]
}

Wage Summary

{
  "annualized_low_min": 40019,
  "annualized_high_max": 178880,
  "annualized_low_avg": 79168.8139534884
}

Trend

[
  {
    "fiscal_year": 2016,
    "quarter": "Q2",
    "lca_count": 9,
    "case_count": 9,
    "role_title_count": 6,
    "worksite_count": 1,
    "wage_low_min": 40019,
    "wage_high_max": 0,
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]

Links

{
  "roles": "/v1/roles?company=Amphastar%20Pharmaceuticals%2C%20Inc.",
  "wages": "/v1/wages?company=Amphastar%20Pharmaceuticals%2C%20Inc.",
  "trends": "/v1/trends?company=Amphastar%20Pharmaceuticals%2C%20Inc."
}

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GET https://api.bluedoor.sh/h1b-jobs/v1/companies?q=amphastar+pharmaceuticals+inc&limit=5JSON

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