MP Mine Operations LLC

CA MP Materials

UEI
LMH9HU12L187
CAGE
88VQ2
Primary NAICS
331410 Nonferrous Metal (except Aluminum) Smelting and Refining
SAM.gov registration
Active through

Company facts

Self-certified in SAM.gov
  • For Profit Organization
  • Limited Liability Company
  • Manufacturer of Goods
Entity structure
Corporate Entity (Not Tax Exempt)
SAM.gov registration date
Physical address
67750 Bailey Rd, Nipton, CA 92364, USA
Website
mpmaterials.com
Founded
2017
Employees
251-1K
Estimated annual revenue
$50M-$100M
Industry
  1. Information Technology
  2. Semiconductors & Semiconductor Equipment
  3. Semiconductors
SIC code
36 Electronic & Other Electric Equipment
Profiles

Registration and certifications come from SAM.gov and the SBA; company details from public web sources. Updated .

Contract obligations by fiscal year

Fiscal year Obligated
FY2027 To date $0
FY2026 $0
FY2025 -$359,988
FY2024 $12,488,423
FY2023 $1,184,040

Contract awards

Award Agency Obligated Awarded
Ndpr oxide PWS modification SP800024C0007 Strategic Materials (DLA) $10,986,003
Lanthanum storage & rotation SP800023C0010 Strategic Materials (DLA) $2,360,972
Award cornerstone heavy rare earth elements follow-on project agreement for phase II-IV W52P1J2293001 Department of the Army $35,000,000
Production of mixed rare earth oxides (reos) from coal-based resources 89243320CFE000053 National Energy Technology Lab $3,131,518
Cornerstone OTA: prototype for heavy rare earth elements (supply chain study) W52P1J2093017 Joint Munitions Command (AMC) $661,119

Contract subawards

Prime contractor Prime award Amount Awarded
Battelle Memorial Institute ENVIRONMENTAL MICROBES AS A BIOENGINEERING RESOURCE Develop engineerable chassis organism FA865022C7213 $70,931

Grant awards

Award Agency Obligated Awarded
Defense production act (DPA) title III rare earth elements separation and processing FA86502125502 Air Force $139,266,005

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About the company

Written by GovTribe AI ·

MP Mine Operations LLC, doing business as MP Materials, is a for-profit corporate entity specializing in rare earth mining, processing, and materials development. Located in Mountain Pass, California, the company plays a critical strategic role in establishing a domestic rare earth supply chain independent of foreign resources. MP Materials focuses on mining, processing, and delivering rare earth elements, particularly neodymium and praseodymium oxides, which are essential for advanced manufacturing, defense technologies, and emerging green energy applications.

Through its federal contract awards, MP Mine Operations LLC has consistently engaged with multiple defense and energy-related agencies, including the Defense Logistics Agency, Department of Defense Strategic Materials, Department of the Army Materiel Command, and Department of Energy. The company's contract work has encompassed a range of critical services such as rare earth element storage and rotation, mining and processing rare earth materials, conducting supply chain studies for heavy rare earth elements, and developing extraction processes from coal-based resources. Notable contract awards include a $10.9 million contract for neodymium and praseodymium oxide delivery, an $8.3 million lanthanum storage and rotation services contract, and a $35 million Other Transaction Agreement for rare earth element mining and processing. All contracts were awarded on a non-set-aside basis, indicating the company's competitive capabilities.

MP Materials has also been involved in federal grant activities, most notably receiving a significant Defense Production Act (DPA) Title III Cooperative Agreement focused on rare earth elements separation and processing. This grant, awarded by the Washington Headquarters Service, runs from November 2020 to November 2025 and supports the development of domestic rare earth element processing capabilities. The company has additionally engaged in sub-contract work, such as a January 2023 sub-award with Battelle Memorial Institute to develop an engineerable chassis organism, further demonstrating its technical capabilities and collaborative approach to advanced materials research and development.

Quick answers

Is MP Mine Operations LLC registered in SAM.gov?

Yes. MP Mine Operations LLC's SAM.gov registration is active through February 5, 2027.

How much has MP Mine Operations LLC received in federal contracts?

Federal contracts obligated $13,312,475 to MP Mine Operations LLC in fiscal years 2023 through 2027.

What is MP Mine Operations LLC's most recent federal award?

MP Mine Operations LLC's most recent federal contract award is Ndpr oxide PWS modification (SP800024C0007), from Strategic Materials (DLA), on July 31, 2024.

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See MP Mine Operations LLC's full federal record

  • Federal contract awards
  • Federal grant awards
  • Subcontracting relationships
  • Funding analysis by agency, NAICS and set-aside
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