Tumml has provided funding and mentorship to entrepreneurs developing high-growth, high-impact businesses to address major urban challenges, such as:

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A career development platform that re-imagines the hiring process while working to build a more inclusive workforce

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An online platform that empowers homeless and disabled individuals through the celebration and sale of their artwork

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A commuter shuttle service that builds better transit routes by learning commuter habits and preferences (acquired by Ford)

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A web, mobile, and hardware product that helps companies and governments build better and safer cities

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An integrated urban market and farm that incorporates indoor agricultural systems to grow and sell food in the same place

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A search engine and information network for America’s law enforcement agencies
 

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Cloud-based solutions to streamline and automate the green building construction and compliance marketplace

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The fastest way to mobilize thousands of local people for campaigns, events, and projects you care about

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A mobile donation platform
for the homeless and other neighbors in need


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An on-demand, multi-pickup ridesharing solution matching cars with multiple riders (acquired by Lyft)

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Manufactures high output, flicker free, energy efficient Plasma lights for television, film, stadium, and scientific applications

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An online platform that helps makers find spaces for their activities, like workshops and commercial kitchens

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A community investment marketplace helping people improve their cities and invest in the issues they care about

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A big data solution to parking that guide drivers on the best routes to find available spots (acquired by EasyPark)

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An online platform that connects local vendors and makers with unique opportunities to "pop up" their brands

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Provides busy parents with all of the portioned ingredients and instructions to make healthy and fun lunches for their little ones

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Improves the efficiency of cooling and refrigeration systems by harnessing the coldness of the sky


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A social pinboard for local and community events



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Software to help incarcerated citizens transition back into society by connecting all corrections stakeholders

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A personal journaling platform and therapy marketplace to improve the world’s mental health
 

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A food company that employs and empowers low-income youth to produce locally-sourced, boxed lunches

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A universal API for energy data




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A suite of tools that transforms water utility data into financial and conservation solutions for the community

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Solar modules for indoor wireless sensors

 

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A blue collar, online identity service that makes it easier to find work in the trades
 

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