The Texian Legacy Association
- Living history organization dedicated to the memory of early Texas cultures, their lifestyles through research, preservation and teaching the skills and history of pre-1840 Texas.
- http://www.texianlegacy.com

Seguin Descendants Historical Preservation
- Promotes Texas history and Tejano heroes such as Colonel Juan N. Seguin.
- http://www.seguindescendantshp.com/

Preservation Texas
- Preserves historical Texas resources through education, communication, advocacy, and collaboration. Includes volunteer opportunities, membership information, a list of projects and programs, and a calendar of events.
- http://www.preservationtexas.org/

Sons of the Republic of Texas
- Includes history, membership, essay contest, chapters, contact information, and Texas history links.
- http://www.srttexas.org/

The Tejano Association for Historical Preservation
- Formed to preserve buildings and sites that are historically and archaeologically important to Mexican Americans and to educate the public on the local and national history of Mexican Americans.
- http://www.tejanoahp.org/

The Pioneer - Rockne Historical Association
- Official newsletter page. Offers calendar of events, history, museum research material, and book reviews. Includes membership information.
- http://www.rootsweb.com/~txrha