Connecticut Polish American Archives
- Documents related to the history of the Polish American community, with a special emphasis on the history of the Polish Americans in Connecticut and New England.
- http://library.ccsu.edu/about/departments/cpaa/index.php

Finnish American Heritage Society of CT
- Nonprofit corporation dedicated to the preservation of Finnish-American heritage.
- http://www.fahs-ct.org/

CT Puerto Rican Forum, Inc.
- Advances the social economic conditions of the community at large, with an emphasis on Hispanics. Provides history, photos and information on services and staff.
- http://www.ctpuertoricanforum.org/

Connecticut Irish Network
- Directory of Irish Pubs, sports, music, dance, arts, theater and business.
- http://www.ctirish.net/

West Indian Foundation, Inc.
- Advocate for West Indian and West Indian-Americans in greater Hartford through promotion of education,economic and skill development, as well as the preservation and perpetuation of the culture.
- http://www.westindianfoundation.org/

St. Andrew's Society of Connecticut
- Membership organization for Scottish heritage and culture. Provides information on annual Scottish Festival as well as other events and membership.
- http://www.sasct.org/

Connecticut Vital Records for Lithuanians
- Compiled marriage and death records of Lithuanian-Americans living in the state.
- http://www.lithuaniangenealogy.org/databases/ct/index.html

French Canadian Genealogical Society of Connecticut
- Founded in 1981 to help people with French Canadian backgrounds trace their ancestors and learn more about the lives they lived in Quebec and Acadia.
- http://www.fcgsc.org/

Portuguese Cultural Center
- Provides enlightening activities for the Portuguese community.
- http://www.portugueseculturalcenter.com/

Connecticut Ancient Order of Hibernians
- Catholic Irish-American organization that promotes the learning of Irish heritage.
- http://www.ctaoh.com/

RussianCT.com
- News, cultural events, businesses, discussions, classified ads, information, travel and chat area for the Russian-speaking community of Connecticut.
- http://www.russianct.com/