American Tartaric Products

Unparalleled Products. Technical Expertise.
Founded as a family business in 1991, American Tartaric Products (ATP) is a leading supplier of acidulants, fine chemicals and production equipment to the wine, beer, food and pharmaceutical, and industrial markets across North America.

Our strength in the industry is unparalleled. We are the only U.S. producer of Cream of Tartar and the largest supplier of Tartaric Acid and Rochelle Salt in the country. We’ve grown rapidly to become one of the premiere suppliers to the wine industry, and we’re moving towards providing the same level of products and service to the brewing industry. read more →


1230 Shiloh Road
Windsor, CA 95492
Phone + 1-707-836-6840
Fax +1-707-836-6843
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1625 Commerce Way
Paso Robles, CA 93446
Phone + 1-805-237-1223
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1865 Palmer Avenue
Larchmont, NY 10538
Phone + 1-914-834-1881
Fax +1-914-834-4611
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10 Corbin Drive
Darien, CT 06820
Phone +1 203-202-8412
Fax +1 203-202 9627
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