Topic summary
Best Foods

Extracted from the Wikipedia article Hellmann's and Best Foods.
History
Best Foods Mayonnaise is sold west of the Rocky Mountains, specifically, in and west of Montana, Wyoming, Colorado, and New Mexico, as well as Colby and Goodland, Kansas. Hellmann's is sold east of the Rockies, specifically, in and east of the states of North Dakota, South Dakota, Nebraska, Kansas, Oklahoma, parts of Colorado and Texas.