MP Materials Corp. is America's only fully integrated rare earth producer, operating the Mountain Pass mine in California—the sole operating rare earth mine and processing facility in the United States. The company extracts, refines, and manufactures rare earth materials and permanent magnets, with a focus on Neodymium-Praseodymium (NdPr) used in electric vehicles, wind turbines, robotics, and defense applications. MP Materials owns and operates facilities across the supply chain including mining and refining at Mountain Pass and magnet manufacturing at its Independence facility in Texas. Listed on NYSE under ticker MP, the company received a strategic investment from the U.S. Department of Defense in July 2025, making DoD the largest shareholder. Signal Plug searches live against mpmaterials.com's mail server to find and verify email addresses for any MP Materials Corp. employee.
Signal Plug searches live against mpmaterials.com's mail server — not a static database. Get a verified email for any MP Materials Corp. employee with confidence score in under 2 seconds.
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MP Materials Corp. is America's only fully integrated rare earth producer, operating the Mountain Pass mine in California—the sole operating rare earth mine and processing facility in the United States. The company extracts, refines, and manufactures rare earth materials and permanent magnets, with a focus on Neodymium-Praseodymium (NdPr) used in electric vehicles, wind turbines, robotics, and defense applications. MP Materials owns and operates facilities across the supply chain including mining and refining at Mountain Pass and magnet manufacturing at its Independence facility in Texas. Listed on NYSE under ticker MP, the company received a strategic investment from the U.S. Department of Defense in July 2025, making DoD the largest shareholder.
Competitive Advantage
Only operating rare earth mine in the U.S., making MP Materials critical to American supply chain independence. U.S. Department of Defense became largest shareholder in July 2025, elevating the company's strategic importance to national security. Company practices closed-loop water recycling and prioritizes sustainability at mining operations—differentiating factor in typically environmentally-intensive rare earth industry. Fully vertically integrated from mining through magnet manufacturing, enabling operational efficiency and supply chain control. Founder-led and owner-operated structure with James Litinsky as CEO, maintaining long-term vision for American rare earth industry restoration.
The most commonly verified format at MP Materials Corp.:
High ConfidenceSignal Plug tests all common patterns against MP Materials Corp.'s live mail server and returns whichever passes the SMTP check.
Run a live search for MP Materials Corp. →Data-driven signals to help you prospect MP Materials Corp. effectively.
Defense contractors, EV manufacturers, renewable energy companies, and advanced robotics firms are primary buyers seeking domestically-sourced rare earth materials with supply chain transparency and ethical provenance guarantees.
Primary Contact
Procurement Director
Tuesday–Thursday, 9am–11am
Signal Plug performs live SMTP verification against mpmaterials.com's mail server — not a static scraped database — which means results reflect the real, current state of MP Materials Corp.'s email infrastructure. Here's how to run a lookup:
Create a free account
Sign up at Signal Plug in under 30 seconds. No credit card required. The Free plan includes 10 searches per month so you can test the tool with real MP Materials Corp. contacts before upgrading.
Enter the contact's name
Type the first and last name of the MP Materials Corp. employee you want to reach. Signal Plug handles all seniority levels, from C-suite to individual contributors.
Enter the domain
Use mpmaterials.com. Signal Plug tests all common naming patterns automatically and returns only the format that passes the SMTP check.
Get a verified result
Signal Plug returns an email address with a confidence score (0–100) and deliverability status (Valid, Risky, or Catch-all) within 2 seconds. The confidence score tells you how reliable the result is before you use it.
Export and use
One-click CSV export lets you bring MP Materials Corp. contacts into Salesforce, HubSpot, Outreach, Lemlist, or any other tool in your stack. Growth and Scale plan users can run bulk lookups across an entire list of MP Materials Corp. names in a single batch.
Whether you're running outbound sales, recruiting, or building a partnership list, these are the roles most frequently contacted at Materials & Mining like MP Materials Corp..
Based on MP Materials Corp.'s profile, the highest-value contacts for outbound are:
Signal Plug works for any role at any seniority level at mpmaterials.com. If you have a name and the domain, you can find a verified email.
How well MP Materials Corp. fits a typical B2B outbound pipeline, based on available signals.
Strong Fit
Funnel Fit Score
Most email finder tools pull from static databases of scraped email addresses. These databases go stale as people change jobs and companies update their email infrastructure. Signal Plug takes a different approach: every search performs a live check against mpmaterials.com's mail server using SMTP verification. This means results reflect the current state of MP Materials Corp.'s email system — not a cached result from months or years ago.
Signal Plug enriches every result with supporting data: a confidence score (0–100), deliverability status (Valid, Risky, or Catch-all), job title where available, and LinkedIn profile URL. This context helps you prioritize which MP Materials Corp. contacts to email first and personalize your outreach before you hit send. Plans start at $29/month for 500 searches — no annual contracts or seat fees.
Signal Plug performs a live SMTP check against mpmaterials.com's mail server for every query — not a static database lookup. Our platform-wide accuracy rate is 94%. Each result comes with a confidence score (0–100) so you can gauge reliability before using the address.
Free plan: 10 searches. Starter ($29/mo): 500. Growth ($149/mo): 2,000. Scale ($299/mo): 5,000. No company-specific caps.
No. Signal Plug generates and verifies emails in real time via SMTP checks — no static database of MP Materials Corp. employee emails is maintained.
Yes. Growth and Scale plan users can upload a CSV of names and run bulk lookups against mpmaterials.com in a single batch.
MP Materials operates the Mountain Pass mine in California, the only operating rare earth mine and processing facility in the United States, extracting from one of the world's richest rare earth deposits.
Rare earth magnets are used in electric vehicle traction motors, wind turbines, drones, robotics, aerospace applications, and defense systems.
Yes, MP Materials is listed on the New York Stock Exchange under ticker symbol MP.
NdPr refers to Neodymium-Praseodymium, a rare earth material used in high-strength permanent magnets that power advanced motion technologies.
Signal Plug searches in real time against mpmaterials.com's mail server to find and verify email addresses for MP Materials Corp. employees. Enter a name, enter the domain, get a verified result with a confidence score in under 2 seconds.
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