GREEN BAY - The Lambeau Field Atrium's Legends Club was full of companies earlier this month that you probably don't know and entrepreneurs intent on changing that.

The Wisconsin Technology Council's annual Tech Summit rolled into Green Bay in mid-March ready to connect the region's and state's emerging companies with innovation labs and angel investors.

These are firms like PoWER and clearTREND Research in Appleton, Headway in De Pere, Sadoff E-Recycling and Data Destruction in Oshkosh, and SharpLogixx in Green Bay.

Yes, those are far from household names. But we're going to guess the Green Bay Box Co. wasn't widely-known either when George Kress founded it in 1933 — and it's busy building a new half a billion dollar mill right now. And no one knew how huge Al Schneider's company would become when he bought his first delivery truck in 1935.

This is what makes the Tech Summit so important: These companies could turn funding and technical know-how into the next Breakthrough, a onetime Green Bay startup that's about to start construction on a new headquarters with room for its nearly 100 employees.

Here's a look at a three organizations Streetwise got to learn more about during the Tech Summit. Mind you, these are far from the only cool things happening in Green Bay and northeastern Wisconsin. Streetwise hopes more updates will be coming.

Read up, so you can tell you friends you knew about these companies before they hit it big.

TitletownTech

If innovation and entrepreneurship had a clubhouse, it would be TitletownTech.

And the clubhouse is almost ready.

TitletownTech Innovation Lab Director Peter Romenesko said the center's three components — an innovation lab to solve industry problems, a studio to develop business ideas and a venture fund to help back startups — are just a few months from moving into the the building west of Lambeau Field and starting operations.

So far, he said, nearly 300 startups have contacted TitletownTech, the partnership between the Packers and Microsoft. He said Titletown Tech staff have identified 10-12 industry "problems" they hope to find solutions they can build around.

He said the center's venture fund hopes to secure $15 million of outside support to match the $5 million both the Packers and Microsoft have contributed to TitletownTech.

RELATED:TitletownTech names Craig Dickman managing director of Packers, Microsoft innovation hub

PoWER

Customers who worry or wonder about every Uber or Lyft driver that comes to pick them up could get some certainty from an Appleton startup.

Rideshare companies generally perform a basic background check when their drivers start, but Barbara Hastie wants to introduce a premium app service for riders and drivers that does a little bit more. She said market research shows women would use rideshare services more if they could have some certainty about their safety.

Enter PoWER, Protecting Women Every Ride.

PoWER started out as Hastie's idea for a women-only rideshare, but the company has shifted to certifying rideshare drivers based on regular, in-depth background checks on drivers to improve both driver and passenger security. Hastie said the idea has potential uses beyond rideshares, as well.

"We don't make the ride, we make the ride safer," Hastie said.

VibeTech

VibeTech has applied NASA research into using vibrations to combat the loss of bone density in space to develop health care equipment that strengthens muscles in a safe manner for patients at risk of falls or injuries.

Founder and CEO Jeff Leismer said the company's equipment can help Alzheimer's patients who might be susceptible to falls get low-impact exercise that helps build muscles.

In 20,000 trial treatments in Wisconsin, he said, there's growing evidence VibeTech can cut the instance of elderly patients falling and injuring themselves as well as reduce costs for patients and providers alike.

Leismer said the Sheboygan-based company is continuing to grow and could be on the lookout for talent in the Green Bay area soon.

RELATED: How a NASA spinoff landed in Sheboygan

RELATED:Sheboygan's VibeTech receives award from Project Pitch-It

Got a tip? Share it with Streetwise, aka Jeff Bollier. Contact Jeff at 920-431-8387 or jbollier@gannett.com. Follow him on Twitter at @GBstreetwise.