MP Mine Operations LLC
MP Mine Operations LLC is a small business in Mountain Pass, CA registered on SAM.gov to bid on federal contracts. It has won about $12.2 million in federal prime contracts since fiscal year 2024, according to USAspending.gov.
- UEI
- LMH9HU12L187
- CAGE code
- 88VQ2
- SAM.gov registration
- Active
Registration details
| Legal business name | MP Mine Operations LLC |
|---|---|
| Unique Entity ID (UEI) | LMH9HU12L187 |
| CAGE code | 88VQ2 |
| Location | Mountain Pass, CA |
| SAM.gov registration | Active through Feb 5, 2027 |
| Business started | 2017 |
| Primary NAICS code | 331410: Nonferrous Metal (except Aluminum) Smelting and Refining |
| Website | www.mpmaterials.com |
Federal contract history
USAspending.gov shows no federal prime contracts for this UEI in the last five years. Many small businesses start as subcontractors to larger firms; see how to become a government subcontractor.
NAICS codes MP Mine Operations LLC is small under
On its SAM.gov registration, MP Mine Operations LLC meets the SBA size standard for these industries, so it can bid on small business set-asides that use them.
Open contracts in MP Mine Operations LLC's NAICS codes
9 open federal opportunities on SAM.gov use a NAICS code MP Mine Operations LLC is small under. These are due soonest.
- Water and Wastewater Treatment Chemicals
Due in 10 daysOct 20, 2026
- SULFUR
Due in 11 daysOct 20, 2026
- RRR300 Niobium Sheet, Rods and Discs
✦ Fermi Forward Discovery Group, LLC (the company that runs Fermilab for the Department of Energy) wants firm-fixed-price proposals for high-purity niobium (RRR300) sheets, rods…
Due in 12 daysOct 21, 2026
- POTASSIUM NITRATE
Due in 12 daysOct 21, 2026
- Available for Licensing: Fluorescent Tracer Technology for Hydrofluoric Acid Exposure Detection
Due in 20 daysOct 30, 2026
Similar small businesses
Other small businesses with the same primary NAICS code (331410) that have won federal contracts, starting with California:
- United States Antimony Corporation, Thompson Falls, MT
- Belmont Metals, Inc., Brooklyn, NY
Frequently asked questions
What is MP Mine Operations LLC's CAGE code?
MP Mine Operations LLC's CAGE code is 88VQ2. The Defense Logistics Agency assigns CAGE codes when a business registers on SAM.gov.
What is MP Mine Operations LLC's UEI?
MP Mine Operations LLC's Unique Entity ID (UEI) is LMH9HU12L187. SAM.gov assigns the UEI, and it identifies the business across the federal government.
Is MP Mine Operations LLC's SAM.gov registration active?
Yes, as of the latest SAM.gov public data, MP Mine Operations LLC's registration is active through feb 5, 2027. Registrations are renewed every year.
Is MP Mine Operations LLC a small business?
MP Mine Operations LLC is registered on SAM.gov as small under 3 NAICS codes, including its primary code, 331410. Size is set per NAICS code, so a business can be small for some contracts and not others.
Keep going
- Look up another business's CAGE code or UEI
- Check a SAM.gov registration's status
- How to become a government subcontractor
Registration details come from SAM.gov's public entity extract and contract figures from USAspending.gov. Contact names and street addresses are left out. To change these details, update the registration on SAM.gov. To ask us to remove this page, email hello@fedready.us.