Providing the Highest Level of Geographic Data Services to the People of Texas

Vector illustration of person pointing to graph display, text saying to submit presentation ideas to speak at this years conference by May 16

The Texas GIS Forum is an annual conference showcasing the latest innovations and talent in the Texas GIS community and will be held October 23-27, 2023.

Submit a Presentation

GIO
Geographic Information Office

Texas flag superimposed with spatial data

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

Data support staff working with a customer

Let our hands-on team of data Specialists assist you with physical map products and other datasets, many unavailable online.

Learn More about Research & Distribution

Texas Natural Resources Information System

Latest Data

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.

More info