A Texas Flag with aerial orthoimagery in place of the red, white and blue

2015 Statewide
Orthoimagery Project

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Texas Natural Resources Information System

Latest News

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Around the State

Sterling Harris, wearing a cowboy hat, in a thumbnail shaped like Texas

ArcNews Profiles GLO's Sterling Harris

Harris was profiled in ArcNews for his contributions to Texas GIS. Read the full story, available at esri.com.

Read More about Sterling Harris on esri.com

GIS Training & Education

Classes geared towards all skill levels, from beginners to advanced, offered at affordable prices.

Full Course List

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

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.

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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

Texas GIS Forum

Audience and speaker at the Texas GIS Forum

Our annual gathering of the Texas GIS community, showcasing the latest innovations and talent in the field.

Learn More about the Texas GIS Forum