Delaware State Chamber of Commerce 1201 North Orange Street, Suite 200, Wilmington, DE 19801, 302-655-7221, 800-292-9507, The Delaware State Chamber of Commerce provides tourist and relocation information and more.  more... 

Greater Wilmington Convention & Visitors Bureau 100 West 10th Street, Suite 20, Wilmington, DE 19801, 302-652-4088 ext. 205, 800-489-6664, Offers information about area attractions, lodging, dining, events, and more. more... 

New Castle County Chamber of Commerce 630 Churchmans Road, Wilmington, DE 19850-1247, 302-737-4345, The New Castle County Chamber of Commerce is the premier resource for business growth. The chamber provides programs and services that contribute to the success of its members.  more...

Afro-American Historical Society of Delaware 512 East Fourth Street, Wilmington, DE 19801, 302-571-1699, This society presents African-American heritage with educational programs, tours and lectures. There is also a gallery and gift shop available. 

Historical Society of Delaware, The 505 Market Street, Wilmington, DE 19801, 302-655-7161, Founded in 1864, the Historical Society of Delaware is a private, non-profit, educational organization operated for the benefit of the public. The Society collects and preserves materials relating to the history of Delaware and Delawareans. more...