Stillwater Mining Company
Stillwater Mining Company is a wholly-owned Sibanye-Stillwater subsidiary that operates the Stillwater Mine in Montana, one of the world's largest primary palladium and platinum producers, supplying PGMs to industrial manufacturers (autocatalysts, hydrogen tech) and precious metals investors.
- Company typePrivate
- Founded1992
- HeadquartersLittleton, United States
- Headcount1–10
- GTM typeB2B
- OfferingHardware or Manufacturing
What Stillwater Mining Company does
Stillwater Mining Company operates the Stillwater Mine in southern Montana, one of the largest primary palladium and platinum mines in the world and a significant source of platinum group metals (PGMs) outside of South Africa and Russia. The company extracts and processes PGMs — primarily platinum and palladium — used in automotive catalytic converters, industrial manufacturing processes, and emerging hydrogen fuel technology applications. The asset has been described as one of the largest known PGM deposits in the Western hemisphere, providing a geopolitically stable supply source for North American and global customers.
The company is a wholly-owned subsidiary of Sibanye-Stillwater Limited (NYSE: SBSW, JSE: SSW), a South African diversified precious metals mining group. Its go-to-market is commodity-based: PGMs are sold into industrial channels (auto-catalyst producers, manufacturers) and to precious metals investors. No direct pricing model, customer-level disclosure, or revenue figure is publicly broken out for Stillwater Mining Company as a standalone entity.
Operationally, the company emphasizes environmental stewardship, reporting over 90% land reclamation, 80%+ closed-loop water recycling, 98% reduction in particulate emissions, 40% reduction in runoff and off-site sedimentation, and erosion rates maintained within 10% of natural baseline. In 2026, Stillwater Mining Company and its parent Sibanye-Stillwater are executing a significant debt restructuring — a $500 million senior notes issuance (6.25% coupon, 2031 maturity) and tender offers for up to $750 million in outstanding subsidiary notes — targeting an approximately 50% reduction in gross group debt over two to three years. Moody's has revised the outlook to stable in connection with these actions.
Stillwater Mining Company firmographics
Firmographics- Name
- Stillwater Mining Company
- Legal name
- Stillwater Mining Company
- Website
- https://stillwatermining.com
- Company type
- Private
- Founded year
- 1992
- Operating status
- Operating
- Headcount range
- 1–10 employees
- Short description
- Stillwater Mining Company is a wholly-owned Sibanye-Stillwater subsidiary that operates the Stillwater Mine in Montana, one of the world's largest primary palladium and platinum producers, supplying PGMs to industrial manufacturers (autocatalysts, hydrogen tech) and precious metals investors.
- Ownership category
- akta.pro rank
Stillwater Mining Company industry classification
Industry- Product category
- Platinum Group Metals Mining
- NAICS
- Other Metal Ore Mining (21229), Support Activities for Metal Mining (213114)
- SIC
- Metal Mining (1000)
- akta.pro primary industry
- Platinum Group Metals (PGM) Mining (IMAKAEAC)
- akta.pro secondary industries
- Process Water & Effluent Treatment (Water Recycle, AMD Treatment, Neutralization) (IMAKALAI), Mine Closure, Reclamation & Environmental Services (Precious Metals Sites) (IMAKAEAL), Mine Hydrogeology & Pit Dewatering (Seepage, Water Balance) (EUAHAFAI)
Keywords
Where Stillwater Mining Company is headquartered
LocationHeadquarters
- HQ city
- Littleton
- HQ country
- United States
- HQ region
- North America
Markets served
Stillwater Mining Company business model
Business model- GTM type
- B2B
- Offering type
- Hardware or Manufacturing
- Cost components
- Operations, Infrastructure, Personnel, Supply Chain, Others
Stillwater Mining Company product offering
Product offeringCore offering
Stillwater Mining Company operates the Stillwater Mine in southern Montana, one of the largest primary palladium and platinum mines in the world. The company extracts platinum group metals (PGMs) including platinum and palladium from underground operations, and integrates environmental management, land reclamation, water conservation, and emissions reduction into its mining activities. The company is a wholly-owned subsidiary of Sibanye-Stillwater Limited.
Product overview
Stillwater Mining Company operates as a platinum group metals mining operation in southern Montana, functioning as a wholly-owned subsidiary of Sibanye-Stillwater Limited (NYSE: SBSW). The company operates the Stillwater Mine, extracting platinum and palladium, and provides associated environmental management and land reclamation services. The mining operations and sustainability practices have been the subject of industry case studies.
Differentiator
Problem solved
Functional benefit
Products and services
- Platinum Group Metals Mining Operations
Quantifiable outcome
- Over 90% of mined land reclaimed for productive use
- +5 more outcomes
Companies that use Stillwater Mining Company
Customer profileSegments2 records
Ideal customer profiles2 records
Stillwater Mining Company technology and API
TechnologyTechnology focussed No
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Feature4 records
Stillwater Mining Company partnerships and signals
Strategic signalScale indicators10 records
Recent moves5 records
Expansion highlights3 records
Stillwater Mining Company competitors and assessment
Company assessmentEmerging players
- Platinum Group Metals Ltd: Canadian-listed PGM developer advancing the Waterberg project in South Africa with joint venture partner Implats. Comparable as a PGM-focused operator targeting the same platinum and palladium markets, though at a development stage rather than producing.
- Generation Mining Limited: Canadian PGM-copper developer focused on the Marathon project in Ontario. Comparable as a North American-focused PGM developer targeting similar automotive and industrial end-markets.
- Clean Air Metals Inc. Canadian exploration-stage company advancing platinum-palladium projects in Ontario's Thunder Bay region. Comparable as a junior North American PGM-focused operator targeting similar offtake customers.
- New Age Metals Inc. Canadian exploration company focused on platinum group metals and lithium projects in North America. Comparable as a junior PGM operator seeking to develop North American PGM supply outside the Stillwater/Bushveld basins.
Direct peers
- Anglo American Platinum Limited: World's largest primary platinum producer, operating the Bushveld Complex mines in South Africa. Directly comparable as a major PGM miner serving automotive and industrial customers with a similar product mix.
- Impala Platinum Holdings Limited (Implats): Major South African PGM producer with both Bushveld mining and downstream processing operations. Directly comparable in primary platinum and palladium production for global industrial and automotive markets.
- Norilsk Nickel (Nornickel): Russian-headquartered diversified metals miner and one of the world's largest palladium producers. Directly comparable as a major primary PGM supplier, although operating under a different geopolitical and regulatory regime.
- Northam Platinum Holdings Limited: South African mid-tier PGM producer with Bushveld Complex operations producing platinum, palladium, and rhodium. Directly comparable in primary PGM mining and offtake to industrial customers.
Regional players
- Tharisa plc: South African integrated resource group producing PGM concentrate, chrome, and metallurgical products from the Bushveld Complex. Comparable in primary PGM mining and downstream processing, but operating only in South Africa and not directly competing in North America.
Broad incumbents
- Sibanye-Stillwater Limited: Parent company and global PGM producer operating the Stillwater mines plus South African PGM and gold assets. Directly comparable as the consolidated entity that owns and operates Stillwater's Montana assets.
Market position
Strengths5 records
Weaknesses5 records
Competitive moat3 records
Key risks6 records
Key highlights6 records
Customer concentration
Stillwater Mining Company social profiles
Digital presenceStillwater Mining Company financial estimates
Financial estimateRevenue estimate
Valuation estimate
Stillwater Mining Company leadership team
Management profileNumber of profiles
Stillwater Mining Company funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
Stillwater Mining Company M&A and investment
M&A and investmentM&A1 record
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about Stillwater Mining Company
What does Stillwater Mining Company do?
Stillwater Mining Company operates the Stillwater Mine in southern Montana, one of the largest primary palladium and platinum mines in the world. The company extracts platinum group metals (PGMs) including platinum and palladium from underground operations, and integrates environmental management, land reclamation, water conservation, and emissions reduction into its mining activities. The company is a wholly-owned subsidiary of Sibanye-Stillwater Limited.
Is Stillwater Mining Company a public or private company?
Stillwater Mining Company is a private company. It is classified as corporate owned and is currently operating.
When was Stillwater Mining Company founded?
Stillwater Mining Company was founded in 1992. It employs 1 to 10 people.
Where is Stillwater Mining Company based?
Stillwater Mining Company is headquartered in Littleton, United States, in the North America region.
Who are Stillwater Mining Company's main competitors?
Emerging players on record are Platinum Group Metals Ltd, Generation Mining Limited, Clean Air Metals Inc. and New Age Metals Inc.. Direct peers are Anglo American Platinum Limited, Impala Platinum Holdings Limited (Implats), Norilsk Nickel (Nornickel) and Northam Platinum Holdings Limited. Tharisa plc is listed as a regional player. Sibanye-Stillwater Limited is listed as a broad incumbent.
Does Stillwater Mining Company have an API?
No public API is recorded for Stillwater Mining Company.
What industry is Stillwater Mining Company in?
Stillwater Mining Company's product category is Platinum Group Metals Mining. Its primary akta.pro industry code is IMAKAEAC, Platinum Group Metals (PGM) Mining, with a secondary code of IMAKALAI, Process Water & Effluent Treatment (Water Recycle, AMD Treatment, Neutralization). Its NAICS code is 21229 and its SIC code is 1000.