Way Out Wineries of Texas
- Regional wine trail that does events as a group
- http://www.wayoutwineries.org/

Big Texas Wine
- It provides information about Texas wine and wineries including several wine trails.
- http://www.bigtexaswine.com

Texas Wine - Toast a Rising Star
- Guide to Texas Wineries by the Texas Department of Agriculture
- http://www.gotexanwine.org/

Texas Wine Marketing Assistance Program
- A state Department of Agriculture program offers a directory of wineries, event calendar, shipping guidelines, and a wine grape guide.
- http://www.agr.state.tx.us/agr/program_render/0,1987,1848_5490_0_0,00.html?channelId=5490

Texas Wine and Grape Growers Association
- Includes a list of members with links, a map of viticultural areas, tasting notes, and news.
- http://www.twgga.org/

Texas Winegrape Network
- Viticulture information resource for wine grape growers.
- http://winegrapes.tamu.edu/

Texas Hill Country Wine Trail
- Clickable map with vineyard information and links. Also contains event listings.
- http://www.texaswinetrail.com/