Founded in 1975 by John Kaupp, JK Findings is a jewelry manufacturer and wholesale supplier of precious-metal components and finished jewelry. From its Rochester, New York headquarters and manufacturing operation, the company says it makes more than 70% of the products it sells domestically and supports jewelry businesses with custom manufacturing capabilities. It has expanded its offerings through acquisitions of Intercept Silver & Jewelry Care in 2022 and clasp maker Grassmann-Blake Inc. in 2025.
Certificate of Dealers in Precious Metals and Stones
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Member of The Jewelers Board of Trade
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Manufacturing Jewelers & Suppliers of America (MJSA) Member
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Jewelers Vigilance Committee Member
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Golden CastingFamily-owned and rooted in New York City’s Diamond District, Golden Casting designs and manufactures jewelry for brands, designers, and retailers, taking projects from CAD through finished pieces under one roof. Founded about 20 years ago to make high-precision craftsmanship accessible beyond luxury-brand budgets, the company combines a 22-person, seven-department team with GIA-certified expertise and in-house production technology. Golden Casting supports everything from first prototypes to full production runs, with no minimum order quantity and typical turnarounds of two to four weeks.New York, NY
ItsHot Diamond Jewelry and WatchesServing customers since 2005, ItsHot is a New York City jewelry maker and wholesaler known for selling many of its own pieces directly rather than through middlemen. Its personal jewelers also help retail and wholesale clients shape personalized designs, supported by more than 19 years of experience.NEW YORK, NY
Modern SettingsFamily-run since Jerry Binder and George Kaye founded it in 1951, Modern Settings has carried a Manhattan jewelry-making tradition into its Miami factory. Known historically for gold initials, the company serves wholesale customers while blending hands-on manufacturing traditions with newer technology and continuing to produce in the United States.HUNTINGTON STATION, NY
International Manufacturing CompanyEstablished in 1989, International Manufacturing Company provides jewelry manufacturing services to local jewelers and now serves designers, trade shops, artists, and retailers around the world. The Philadelphia company turns customer designs into jewelry, including through casting and full-service production, and also provides repair services.PHILADELPHIA, PA