St. Louis startups

There were more applicants local to St. Louis in the finalist round this year than in the past. And the majority of the awardees came from the region.

100 startup teams were narrowed down to one during the contest's inaugural year in St. Louis. Now, Immunophotonics moves on to the San Francisco final and a chance to win $1 million.

To keep St. Louis’ existing tech talent, some regional leaders are pushing for more support for startups. But it’s not a quick or easy fix.

The St. Louis company Babyation spent six years working to bring its breast pump to market.

Clever Real Estate is growing fast by disrupting how real estate agents are found — and how much they get paid.

Airly Foods is selling a snack cracker that isn’t just carbon neutral, but actually carbon negative.

Srikant Chellappa, founder of Engagedly, discusses the Maplewood-based startup's big growth on "St. Louis on the Air," and his new recording studio, Kalinga Productions, as well.

St. Louis-based Impossible Sensing is helping NASA decipher data from its Perseverance rover, which landed Thursday on Mars. Founder Pablo Sobron discussed the company's work on "St. Louis on the Air."

Thomas Park’s invention, the GenerIter, uses Python code to transform a series of sounds into music. Would-be composers can plug in short clips of their choosing and let the code do the rest. Park discussed his module on "St. Louis on the Air."

Sara Baker and Anatolij Gelimson founded Fast Democracy to make law-making more transparent. They discussed the platform, now operating in 50 states, on "St. Louis on the Air."