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Company	Category	Region	Status	Sources	Links
Quiet Therapeutics	VerticalUses AI	Israel		Docs Gigasheet	Open homepage
Quill BillsAI-native RCM and practice management software. Scrubs and submits claims, auto-posts ERAs, works denials, bills patients, and reports on all of it — built for billers.	VerticalUses AI	San Francisco, CA, USA		Docs	Open homepage
QuinnEngage Quinn across discovery, development, portfolio and commercial strategy. Research, data analysis, models and designs, with comprehensive reports in 3–5 days after approval.	VerticalUses AI	San Francisco, CA, USA		Docs	Open homepage
QuotainQuotain turns sales playbooks and real-call evidence into AI buyer simulations, scorecards, and focused practice for revenue teams.	VerticalUses AI	New York City, NY, USA		Docs	Open homepage
quze.ai	VerticalUses AI	Israel		Docs Gigasheet	Open homepage
QventusReduce staff workloads, unlock capacity, and grow revenue with Qventus: healthcare’s leader in AI-powered automation solutions.	VerticalUses AI	San Francisco, CA, USA; Remote		Docs	Open homepage
QvinThe first and only healthcare service to scientifically prove menstrual blood can test for relevant health information, just like a traditional lab blood test.	VerticalUses AI	San Francisco, CA, USA; Menlo Park, CA, USA		Docs	Open homepage
Racah Institute of PhysicsThe Racah Institute of Physics was named so after Prof. Giulio (Yoel) Racah (1909-1965). In 1939 Racah settled in Jerusalem, after having already been appointed a professor at Pisa, and having worked with great physicists Fermi and Pauli. Racah is considered as one...	VerticalUses AI	Israel		Docs Gigasheet	Open homepage
RADAR	VerticalUses AI	New York City, NY, USA		Docs	Open homepage
RadiusRadius is a free macOS browser for AI coding agents. Run Claude Code, Codex, and Cursor in parallel across worktrees — agents, diffs, and PRs in one window.	VerticalUses AI	San Francisco, CA, USA		Docs	Open homepage
RadleySend us your studies and get signed reports back in minutes. Dependable coverage and consistent quality for hospitals and imaging centers.	VerticalUses AI	San Francisco, CA, USA; Remote		Docs	Open homepage
RagnaRock GeoRagnaRock Geo has developed an AI algorithm that interprets seismic data. The software enhances the understanding and accelerates the workflow of the geophysicist.	VerticalUses AI	Trondheim, Norway		Docs	Open homepage
Rally AIRally - Your startup's AI-powered PR team. Get press coverage, track competitors, and discover speaking opportunities.	VerticalUses AI	New York City, New York, United States		Docs	Open homepage
Rally TaxIn the AI era, you don’t need a $5,000 advisor to discover savings.	VerticalUses AI	San Francisco, CA, USA; Remote		Docs	Open homepage
RaloCompare mortgage rates, review pricing more clearly, and explore mortgage education with Ralo.	VerticalUses AI	New York City, NY, USA		Docs	Open homepage
RamAInAI agents that automate any manual UI task across web portals, legacy systems, and desktop apps - deployed in minutes, not months.	VerticalUses AI	San Francisco, CA, USA	2 open	Docs	Open homepage
Ramen VRExplore Ramen VR’s innovative virtual reality projects and behind-the-scenes studio spotlights. Discover the technology, art, and design shaping the future of VR.	VerticalUses AI	San Francisco, CA, USA; El Cerrito, CA, USA		Docs	Open homepage
RanaRANA Customer AI Driven Energy Management User App Renewable Energy Infrastructure AR Enabled Installations, Maintenance Support 24/7 Hybrid Chatbot Customer Service Flexible Subscription Upgrades Remote Monitoring Control Ready to Begin Your RANA Journey? Join Waitlist 2023 by RANA	VerticalUses AI	London, United Kingdom		Docs	Open homepage
Random Labs	VerticalUses AI	San Francisco, CA, USA		Docs	Open homepage
RankaiRankAI grows your website on autopilot — it reads your live site, ships on-brand pages that rank and convert, and keeps improving them. No agency, no dev.	VerticalUses AI	San Francisco, CA, USA		Docs	Open homepage
RankScienceTurn SEO rankings into revenue. RankScience drives growth across Google, ChatGPT, and AI platforms for startups.	VerticalUses AI	New York City, NY, USA; New York, NY, USA; Remote		Docs	Open homepage
RanlaLifecycle and transactional email: automations, audiences, holdouts, and a built-in agent that drafts and asks before it sends.	VerticalUses AI	San Francisco, CA, USA; Remote		Docs	Open homepage
RapidfolioBanks and fintechs choose Rapidfolio to automate their compliance and operations processes.	VerticalUses AI	San Francisco, CA, USA		Docs	Open homepage
RastroAI agents for catalog operations in manufacturing and distribution. Map messy supplier data to your taxonomy, enrich missing fields, validate quality, and deliver outputs in your exact format.	VerticalUses AI	London, England, United Kingdom		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.