MP Mine Operations LLC
CA MP Materials
- UEI
- LMH9HU12L187
- CAGE
- 88VQ2
- SAM.gov registration
- Active through
Company facts
- Self-certified in SAM.gov
- Entity structure
- Corporate Entity (Not Tax Exempt)
- NAICS codes registered in SAM.gov
- 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
-
- Information Technology
- Semiconductors & Semiconductor Equipment
- Semiconductors
- SIC code
- 36 Electronic & Other Electric Equipment
Registration and certifications come from SAM.gov and the SBA; company details from public web sources. Updated .
Recent federal awards
| Award | Agency | Obligated | Awarded |
|---|---|---|---|
| Ndpr oxide PWS modification | Strategic Materials | $10,986,003 | |
| 8509870941 ! Lanthanum storage & rotation | Strategic Materials | $2,360,972 | |
| Award cornerstone heavy rare earth elements follow-on project agreement for phase II-IV | Department of the Army | $35,000,000 | |
| Defense production act (DPA) title III rare earth elements separation and processing | Air Force | $139,266,005 | |
| Production of mixed rare earth oxides (reos) from coal-based resources | National Energy Technology Lab | $3,131,518 |
About MP Mine Operations LLC
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
What is MP Mine Operations LLC's UEI?
MP Mine Operations LLC's Unique Entity ID (UEI) in SAM.gov is LMH9HU12L187.
What is MP Mine Operations LLC's CAGE code?
MP Mine Operations LLC's CAGE code is 88VQ2.
What is MP Mine Operations LLC's primary NAICS code?
MP Mine Operations LLC's primary NAICS code is 331410 (Nonferrous Metal (except Aluminum) Smelting and Refining).
Where is MP Mine Operations LLC located?
MP Mine Operations LLC's physical address in SAM.gov is 67750 Bailey Rd, Nipton, CA 92364, USA.
Is MP Mine Operations LLC registered in SAM.gov?
Yes. MP Mine Operations LLC's SAM.gov registration is active through February 5, 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, on July 31, 2024.
On GovTribe
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
- Similar vendors