T-REX offers a unique, thriving entrepreneurial ecosystem that supports the creation and growth of scalable tech companies in the heart of Downtown St. Louis. We purposely co-locate growing early-stage startups alongside a network of support organizations and larger, established companies and institutions, fostering symbiotic relationships to accelerate the success of all T-REXers. Meet familia T-REX below:

Entrepreneur Support Organizations

Organizations housed within T-REX who provide a canopy of support for STL tech startups & entrepreneurs:

America's Small Business Development Center: Missouri Branch
Arch Grants
Cultivation Capital
Cyber Up
St. Louis MBDA Business Center
Learn more about our support organizations...

Bedrock Tenants

Long-term companies/institutions rooted in T-REX whose presence & industry expertise is beneficial to surrounding startups:

AIA: St. Louis
Citizens for Modern Transit
Health Literacy Media
KW Law
M3 Engineering
Optimal Geo
Wiser Imagery Services

Geospatial Innovation Center @ T-REX

On the 4th floor of T-REX is the nation's first cutting-edge research and collaboration center specifically for geospatial innovation, technology commercialization, and workforce development. Activities include collaboration and innovation across multiple sectors – industry, academia, government, defense, and the start-up community.


And that's not all...

Over 100 drop-in coworking members, faculty and students from our various University Partners, and our gracious network of donors are all essential community builders as well. These individuals and organizations may not have dedicated suite numbers within our historic building, but are absoluely true-green T-REXers.

Want to learn more about our vast ecosystem?
We're always within reach!