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39 Years
experience
Precious Metal Refining Experts in Minneapolis
Since 1987, Maguire & Strickland Refining has established itself as a trusted leader in precious metal refining and environmental waste management. Founded by John Maguire, whose expertise in metallurgy and recycling spans decades, we specialize in serving the jewelry and dental industries with precision and integrity. Our state-of-the-art refining processes recover gold, platinum, palladium, and silver from scrap materials while maintaining rigorous quality standards. We pioneered innovative solutions for dental amalgam recycling, ensuring compliance with environmental regulations while maximizing returns for clients. Our commitment to transparency is demonstrated through dual-sample assaying and multiple settlement options, including bullion exchanges and wire transfers. With a client base spanning independent jewelers to large dental labs, we combine technical expertise with personalized service to deliver consistent, fair valuations.

Our team's industry leadership extends to advisory roles in environmental policy and active participation in professional associations. We prioritize operational efficiency through advanced metallurgical techniques while maintaining a customer-centric approach that values long-term relationships over transactional interactions. Our facility's capacity to process materials of all scalesfrom single extracted teeth to industrial carpetingensures comprehensive service for businesses of all sizes. This combination of technical excellence, regulatory compliance, and client-focused service has sustained our reputation as a Midwest industry leader for over three decades.
Services
Precious Metal Refining Gemstone Recovery Dental Amalgam Recycling Hazardous Waste Management Jewelry Scrap Assaying Dental Gold Refining Amalgam Waste Disposal X-Ray Waste Recycling Sharps Disposal Extracted Tooth Recycling
Details
  • Year established: 1987
Highlights and features
  • 35+ years of refining expertise with dual-sample assaying accuracy
  • Pioneers in ADA-compliant dental amalgam recycling solutions
  • Multiple settlement options including bullion exchanges
  • Industry-leading processing capacity for materials of all scales
  • Active participation in environmental policy advisory boards
What people say
Honest gold-refining company Prompt service Fair settlement Trusted partner Excellent returns
Services
Precious Metal Refining
We refine gold, platinum, palladium, and silver from jewelry scrap and dental materials using advanced metallurgical techniques. Our dual-sample assaying process ensures maximum returns while maintaining 99.99% purity standards. Clients receive competitive settlements through multiple payment options including bullion exchanges.
Dental Amalgam Recycling
Our ADA-compliant program processes dental amalgam waste, extracted teeth, and PFM restorations. We disinfect materials before separating precious metals from mercury waste. This dual-process system ensures environmental compliance while maximizing returns for dental professionals.
Gemstone Recovery
Specialized techniques recover valuable gemstones from jewelry scrap during refining. This service preserves stone integrity while ensuring complete metal recovery. Jewelers benefit from combined material processing and consolidated settlements.
Hazardous Waste Management
We handle x-ray film waste, lead foil, and fixer solution disposal with EPA-certified processes. Our mail-away kits simplify compliance for dental offices while maintaining chain-of-custody documentation for regulatory audits.
Jewelry Scrap Assaying
XRF analysis and classical fire assay techniques determine precise metal content in jewelry scrap. Dual-sample verification ensures accuracy within 0.1 dwt tolerances. Clients receive detailed assay reports with every settlement.
People
John Maguire
Owner and President
With metallurgy experience since 1972, John Maguire leads Maguire & Strickland Refining's technical operations. He serves on the International Precious Metals Institute board and advises environmental policy groups. His industry publications focus on refining innovations and sustainable practices.
Questions
What precious metals do you refine?
We process gold, platinum, palladium, and silver from jewelry scrap, dental materials, and industrial waste.
How do dental offices send materials for recycling?
We provide prepaid mailers for amalgam waste and extracted teeth, with same-day processing upon receipt.
What settlement options are available?
Choose from checks, wire transfers, credit toward purchases, or bullion exchanges based on current market rates.
How long does refining take?
Standard processing takes 5-7 business days, with expedited options available for qualified materials.
Are your waste disposal methods compliant?
Yes, our processes meet ADA, EPA, and OSHA standards for dental amalgam and hazardous material handling.
Do you accept small quantities?
We process materials of all sizes, from single extracted teeth to industrial-scale scrap shipments.
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