- Chicago – WrightAuction.com
- Los Angeles – LAModern.com
- New York City – 1stDibs.com
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- New York City – LiveAuctioneers.com
- New York City – ArtNet.com
- New York City & Europe – Christies.com
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- New York City & Europe – Sothebys.com
- New York & worldwide – Phillips.com
- Lambertville, NJ – RagoArts.com
NOTE: http://www.bertoiaauctions.com sells antique toys, NOT Bertoia’s