Napa Chamber of Commerce 1556 First Street, Napa, CA 94559, 707-226-7455, Promotes and supports local businesses and industries in the Napa area plus provides relocation information. 

Napa Valley Conference and Visitors Bureau, The 1310 Napa Town Center, Napa, CA 94559, 707-226-7459, Provides information on local lodging, dining, shopping, attractions, recreation, and events in the Napa Valley area. more... 

Arts Council of Napa Valley, The 68 Coombs Street, Suite D4, Napa, CA 94559, 707-257-2117, This organization supports the many art forms in Napa Valley through providing art educational programs and art workshops and classes. more...