Solved
I have determined that the NAICS code "339910 Jewelry and Silverware Manufacturing" is the best fit for my business, but when I search for it in TurboTax Home & Business, I get "We did not find a code for 339910".
Jewelry and Silverware Manufacturing is part of: NAICS 339900 - Other Miscellaneous Manufacturing.
Use 339900 - Other miscellaneous manufacturing
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