Bexar Land Trust: Non-profit corporation formed to protect and preserve the open spaces and parklands of San Antonio and the greater Bexar County area.
Hill Country Conservancy: Includes project profiles, landowner resources, maps, and contact information.
Katy Prairie Conservancy: News and events, history, newsletters, membership and giving alternatives, and links.
Legacy Land Trust: Mission is to conserve open space throughout a 13-county area in and around Houston. Conservation options, membership information, news, projects, and site maps.
Scenic Galveston: Working to create a marsh preserve along the highway approach to Galveston Island. Includes history, organization profile, volunteer opportunities, and news.
Valley Land Fund: Mission is to preserve, enhance and expand the native wildlife habitat of the Rio Grande Valley.