Surdex provides digital orthophotography, GIS basemapping, and LiDAR services to the public and private sector, developing mapping solutions and data management for economic and industrial development, land use, planning, emergency response systems, resource management, tax assessment, and health and human services.

Our Capacity and Expertise Enable Us to Perform Your Project Successfully

As one of the premiere mapping firms in the U.S., Surdex is a full-service digital orthophoto and photogrammetric engineering firm with in-house resources sufficient for virtually any size job. We maintain a fleet of nine specialized acquisition aircraft, large- and medium-format digital sensors, including four Leica ADS100 Airborne Digital Sensors and a Leica ALS70 Airborne Laser Scanner LiDAR sensor, as well as all other equipment and support staff for even the largest project. Take a moment to peruse our image gallery.






  • GIS basemapping
  • Topographic mapping
  • Planimetric feature extraction
  • Parcel mapping
  • Corridor mapping: utilities, pipeline, transportation
  • Land cover / land use
  • Vegetation analysis
  • Public service: first responders, EMS, fire and ambulance, schools
  • Impervious surface collection
  • Urban planning
  • Floodplain mapping
  • Coastal habitats
  • Agriculture / crop science
  • Watershed mapping
  • Environmental assessment
  • Engineering design

Our objective is to deliver the highest quality products that meet not only your accuracy requirements but also your mapping goals. This begins with understanding your needs, determining the best approach to your project, and developing quality mapping products in an efficient manner.

Serving our clients since 1954, Surdex is a leading provider of geospatial data services; our success can be attributed to our unwavering commitment to the quality of our products, our exceptional staff, our investment in equipment and technical resources as well as the satisfaction of our clients.

Chosen for Some of the Biggest Projects in the U.S.

In 2014, Surdex was awarded some of the largest digital orthophotography projects of their kind in the nation. We are one of the top ten largest digital orthoimagery firms in the country and widely acknowledged as one of the country’s most advanced, quality-driven mapping firms.

  • 274,965 sq. mi. of digital orthoimagery at 0.5 meter GSD for the State of Texas
  • 55,000 sq. mi. of digital orthoimagery at 1.0′ GSD for the State of Illinois
  • 20,000+ sq. mi. of LiDAR in the states of Missouri / Arkansas, 1.0 meter and 0.7 meter

5.3M Square Miles of Orthophotography for a Single Program over 11 Years

Surdex is also a major provider for the massive USDA National Agriculture Imagery Program (NAIP). Since the program’s inception in 2003, Surdex has delivered:

  • 5.3M sq. mi. of digital orthophotography
  • Over 350,000 DOQQs in 69 state projects, over a period of 11 years, with coverage of 30 states


Recent News
FAA Issues Surdex a 333 Exemption

Surdex received a 333 Exemption from the FAA to operate an Altavian Nova F6500 Unmanned Aerial System (UAS). This...

UAS Day in State Capitol

On April 29, 2015: UAS experts from Surdex attended “UAS Awareness Day” on the east lawn of the Missouri...

Public Radio Interviews Surdex on Unmanned Aerial Systems

St. Louis Public Radio interviewed Surdex’s two experts on Unmanned Aerial Systems today at the company’s hanger at the...