Ketel One Vodka is named after the original copper pot still, "Distilleerketel #1."

[1] Ketel One is so named for the original coal-fired copper still that was used to distill it, Distilleerketel #1.

[3] Within the next few years changes in technology and consolidations and mergers left Nolet as the only distillery still operating in Schiedam.

[3] Carolus began to develop a vodka designed specially for the American market, focusing on quality.

[3] Nolet returned to the U.S. market in 1983,[1] launching Ketel One Vodka in San Francisco at the BIX Restaurant and Supper Club.

[3] Rather than advertising directly to consumers, the company encouraged bartenders and distributors to sell their product.

[6] In 2008, Diageo announced an investment of $900 million in a joint venture with the owners of Ketel One, with the Nolet family continuing ownership of the distillery in Schiedam.