United States of America

Alabama Alaska Arizona Arkansas California Colorado Connecticut Delaware Florida Georgia Hawaii Idaho Illinois Indiana Iowa Kansas Kentucky Lousianna Maine Maryland Massachsetts Michigan Minnesota Mississippi Missouri Montana Nebraska Nevada New Hampshire New Jersey New Mexico New York North Carolina North Dakota Ohio Oklahoma Oregon Pennsylvania Rhode Island South Carolina South Dakota Tennessee Texas Utah Vermont Virginia Washington West Virginia Wisconsin Wyoming

There are Nearly 3,000 Commercial Vineyards in the United States
with at least One Winery in all 50 States.

West Coast ~ The majority of American wine production occurs in the states of California, Washington and Oregon.
Rocky Mountain ~ Notably Idaho and Colorado  Southwestern Notably Texas and New Mexico
Midwestern ~ Notably Missouri, Illinois and Minnesota Great Lakes Notably Michigan, northern New York and Ohio
East Coast ~ Notably New Jersey, New York State, Pennsylvania, Virginia, and North Carolina
Source: Wikipedia