Fintech:
Forage (https://www.joinforage.com), building Stripe for EBT, i.e. food stamps
Nearside (https://www.nearside.com), banking for small businesses
KeeperTax (https://www.keepertax.com), tax savings for independent contractors
Bio/Pharma/Healthcare:
Q Bio (https://q.bio), creating a more data-driven approach to health
Reverie Labs (https://www.reverielabs.com), accelerating drug development with ML
PathAI (https://www.pathai.com), increasing diagnosis accuracy
Benchling (https://www.benchling.com), cloud for biotech R&D
Mental Health:
Alma (https://helloalma.com), providing easier access to therapy
Headway (https://headway.co), same as Alma
Juniper (https://www.juniperplatform.com), workflow tools for autism providers
Real Estate:
Orchard (https://orchard.com), buy your next home before you sell
Ribbon (https://www.ribbonhome.com), cash offers to improve home access
Hardware:
Sofar Ocean (https://www.sofarocean.com), collecting ocean data
Climate:
Watershed (https://watershed.com), platform for enterprises to reduce carbon emissions
Sweep (https://www.sweep.net)
Pachama (https://pachama.com)
Defense (if you believe that Western influence is positive impact):
Anduril (https://www.anduril.com), building high-tech defense products and reducing gov waste
Palantir (https://www.palantir.com), building data products for government