Providing the Highest Level of Geographic Data Services to the People of Texas
Texas GIS Forum
Agenda at a Glance
Save the Date! The 2023 Texas GIS Forum will be held the week of October 23-27. Check out the Agenda at a Glance for more info.
Learn More about the Texas GIS Forum
GIO
Geographic Information Office
TNRIS hosts the State of Texas’s Geographic Information Office (GIO), an inter-agency initiative to collaborate and facilitate the effective use of G.I.S. in state and local government.
Learn More about the Geographic Information Office
RDC
Research & Distribution
Let our hands-on team of data Specialists assist you with physical map products and other datasets, many unavailable online.
Learn More about Research & DistributionTexas Natural Resources Information System
Latest Data
News
GIS Education
TNRIS is dedicated to advancing the technical skills of professionals whose work revolves around geographic mapping. Rapidly evolving technology necessitates that GIS professionals expand their knowledge to stay current with traditional software updates as well as alternative mapping methods to support business operations and policy decisions.