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Company	Category	Region	Status	Sources	Links
SuperTokensOpen source alternative to Auth0 / AWS Cognito / Firebase Auth	OtherUses AI	San Francisco, CA, USA		Docs	Open homepage
SuretyNowThe Modern Surety Bond Platform	OtherUses AI	Austin, TX, USA		Docs	Open homepage
SurgeStripe for telephony	OtherUses AI	Lehi, UT, USA		Docs	Open homepage
Surtr Defense SystemsThe hardware-agnostic operating system for drone defense	OtherUses AI	San Francisco, CA, USA		Docs	Open homepage
SvbtleA publishing platform.	OtherUses AI	San Francisco, CA, USA; Remote		Docs	Open homepage
SvixEnterprise ready webhooks service, open-source and in the cloud	OtherUses AI	San Francisco, CA, USA		Docs	Open homepage
SwadeshWe setup Immigrants with a free US Bank Account, Credit Card, SIM…	OtherUses AI	New York City, NY, USA; New Delhi, DL, India		Docs	Open homepage
SwiftSkuManagement and analytics software for convenience stores	OtherUses AI	New York City, NY, USA; Remote		Docs	Open homepage
SynapticureWe deliver personalized medicine for neurodegenerative patients	OtherUses AI	Chicago, IL, USA; Remote		Docs	Open homepage
SynderEasy accounting for e-commerce	OtherUses AI	San Francisco, CA, USA		Docs	Open homepage
SynnaxUnified Hardware Control and Data Processing Software	OtherUses AI	Denver, CO, USA		Docs	Open homepage
Synphonyrobots & software for farms	OtherUses AI	San Francisco, CA, USA		Docs	Open homepage
SynsoryBio"If-then" conditional logic for protein drugs	OtherUses AI	Boston, MA, USA		Docs	Open homepage
Synthetic SciencesInfrastructure for Autonomous Science	OtherUses AI	San Francisco, CA, USA		Docs	Open homepage
Synthetic SocietySynthetic Videos to Simulate Real Users	OtherUses AI	New York City, NY, USA		Docs	Open homepage
SyntheticFiThe cheapest way to borrow money	OtherUses AI	San Francisco, CA, USA		Docs	Open homepage
T3 ChatThe best AI chat you've ever used	AI infraUses AI	San Francisco, CA, USA; Remote		Docs	Open homepage
TaigaAutonomous medical billing	OtherUses AI	San Francisco, CA, USA		Docs	Open homepage
TalkableOnline store referrals.	OtherUses AI	San Francisco, CA, USA		Docs	Open homepage
TaloflowBetter, faster tech vendor research	OtherUses AI	Los Angeles, CA, USA; Santa Monica, CA, USA; Remote		Docs	Open homepage
TalosPredictive maintenance for power infrastructure.	EnergyUses AI	Baltimore, MD, USA		Docs	Open homepage
Talus BioDiscovering drugs that target the DNA regulome	OtherUses AI	Seattle, WA, USA		Docs	Open homepage
Tank PaymentsModern financial infrastructure for the trucking industry.	OtherUses AI	Austin, TX, USA		Docs	Open homepage
TappityWorld's largest library of interactive lessons for kids	OtherUses AI	San Francisco, CA, USA; Palo Alto, CA, USA		Docs	Open homepage

Staff list a company once its homepage loads and one to three sources back it up. Map pins use a sourced city or region — near that place or at the region centroid. Unknown location stays list-only. Founders, exit, and jobs stay omitted unless sourced. Founder photos stay omitted unless a sourced URL is listed — we never invent a face. We do not invent people, a street address, or size, price, or growth figures.