In the Buffalo-Niagara region, Niagara Refining LLC uses hydrometallurgy to turn tungsten concentrates and industrial scrap into high-purity tungsten intermediates. Majority owned by Japan’s Sumitomo Electric Industries, the company supplies raw materials for SEI’s tungsten carbide hardmetal tools and maintains an OECD-aligned, RMAP-conformant responsible-sourcing program.
Responsible Minerals Assurance Process (RMAP)
Compliance program
RMAP Conformant Tungsten Smelter
OECD Due Diligence Guidance for Responsible Supply Chains of Minerals from Conflict-Affected and High-Risk Areas
Compliance program
Extractive Industry Transparency Initiative (EITI)
Compliance program
Buffalo Tungsten, IncFounded in Depew in 1987, Buffalo Tungsten manufactures high-purity tungsten-based powders for companies that turn them into finished products. Its specialty is staying focused on powder rather than competing with its customers, using hydrogen reduction, furnace technology and custom development to produce materials reaching 99.999% purity. Now part of Sandvik, Buffalo Tungsten supplies customers in more than 40 countries and holds ISO 9001:2015 certification for its powder manufacturing and distribution.DEPEW, NY
T&D Materials Manufacturing LLCFrom Clifton Heights, Pennsylvania, T&D Materials Manufacturing supplies refractory-metal blanks and precision-machined parts, with particular depth in tungsten and tungsten-alloy components. For more than 20 years, the company has served customers on five continents, producing parts to technical drawings through pressing, MIM, HIP sintering and automated CNC finishing. T&D is ISO 9001:2015 certified and ITAR compliant, and says its tungsten and tantalum raw materials come from conflict-free sources.PRIMOS, PA
Towanda Metadyne, IncEstablished in 1984, Metadyne began in Elmira, New York, researching advanced tungsten and molybdenum alloys before expanding into tungsten carbide and wear applications. In 1995 it moved to Towanda, Pennsylvania, where its facility added zinc reclamation and spray-drying capabilities; the company later expanded with a tungsten carbide reclamation facility and a Gulfport rod-production division. Towanda Metadyne makes precision powder-metallurgy parts, with specialties in cemented tungsten carbide, tungsten alloys, and molybdenum products.332117TOWANDA, PA
Goldman TitaniumFounded in Buffalo in 1958 by Harold Goldman, Goldman Titanium purchases and processes scrap titanium into melt-ready material for customers around the world. Still family-owned and operated, the company has grown to more than 150,000 square feet and is now guided by its fourth generation of leadership. Its quality management system is certified to AS9100D with ISO 9001:2015, supporting demanding aerospace, medical, and industrial supply chains.BUFFALO, NY