Funded startups in Tulsa, Oklahoma
5 startups in Tulsa, Oklahoma have filed a Form D with the SEC and together report $3.9M raised. ClearSign Technologies has the largest latest round, at $1.8M. Amounts are as reported on the filing, not estimates.
Latest filing Jul 22, 2026
- Companies
- 5
- Total raised
- $3.9M
- Filings
- 6
- Median round
- $750K
Most recent filings
5ClearSign TechnologiesCleantechUltra-low NOx burner technology for refineries and boilers
Jul 22, 2026
$1.8M
BoddleEdtechGame-based math and reading practice for grades K-6
Apr 6, 2026
$1.3M
Calypso CurateConsumerParent-approved video libraries for kids
Jul 16, 2025
$78K
EndlessOtherPlanning and running virtual and in-person events
Apr 16, 2025
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AirWise SolutionsInfrastructure3D views that merge drone data with map layers
Mar 10, 2025
$750K
All 5 companies · most recent filing first