Cinco de Mayo, Omaha NE. Fiesta Vendors. From Food to Handcrafted items, theres something for everyone at the Wells Fargo Cinco de Mayo FiestaJoin Old Towns top bars restaurants in celebrating Cinco de Mayo with lots of drink food specials, live entertainment and festivities. Low Fat Alfredo Sauce. Cinco de Mayo Omaha promotes Mexican culture and brings Awareness to Omaha businesses and organizations.