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Logo	Name	Short description	Category	Region	Founders	Sources	Jobs	Exit	Stage
	Review Piper Open homepage		Vertical	Austin, Texas, United States		Docs
	Reviewmaster Open homepage		Other	Israel		Docs Gigasheet	Open jobs
	ReviewTailor Open homepage		Vertical	Atlanta, Georgia, United States		Docs
	Revion Open homepage		Vertical	New York City, NY, USA		Docs
	Revivesec Open homepage		Other	Israel		Docs Gigasheet	Open jobs
	Revizer Open homepage		Other	Israel		Gigasheet Docs
	Revl Open homepage		Vertical	San Francisco, CA, USA; Remote		Docs
	RevMatch Technologies Open homepage	The all-in-one platform for automotive event organizers. Ticketing, approvals, waivers, judging, and check-in — all in one place.	AI infra	Peachtree Corners, United States		Docs
	Revnu Open homepage		Vertical	Manchester, England, United Kingdom		Docs
	Revolute Robotics Open homepage		Robotics	Scottsdale, Arizona, United States		Docs	Open jobs
	Revuze Open homepage		Other	Israel		Docs Gigasheet	Open jobs
	Revyl Open homepage		AI infra	San Francisco, CA, USA		Docs	Open jobs
	Reworkd Open homepage	Reworkd Features Pricing Blog Docs Careers 3 Sign Up Features Pricing Blog Docs Careers 3 Sign Up End-to-end data extraction data extraction Effortlessly extract web data at scale. No code. No maintenance. No worries.	Vertical	San Francisco, CA, USA		Docs	Open jobs
	Rex Open homepage	Rex is the AI operations partner for order-to-cash. Its agents cover every account and resolve exceptions before cash gets stuck.	Vertical	San Francisco, CA, USA		Docs
	REX Open homepage	Energy does not have an information problem. It has a decision problem.	Vertical	Minneapolis, Minnesota, United States		Docs
	rex.fit Open homepage	The DROP is the world's first nutrition and calorie tracking wearable for patients, athletes, and health conscious users. Uses computer vision and AI to help you with your goals from longevity to weight loss and muscle building. Nutrition and calorie tracking API to integrate into your apps, whether fitness chains or gyms or wellness centers.	Vertical	San Francisco, CA, USA		Docs
	Rezilion Open homepage		AI infra	Israel		Docs Gigasheet
	Rezliant Open homepage	Put software security on autopilot for payment gateways, ledger databases, and open banking APIs. Maestro acts as your autonomous security engineer, isolating reachable risks and delivering 1-click fixes to save 2 months of dev time.	Vertical	Mesa, Arizona, United States		Docs
	Rf Immunity Open homepage		AI infra	Israel		Docs Gigasheet
	Rfkeeper Open homepage		Other	Israel		Gigasheet Docs
	Rgb Total Strategy Open homepage		Other	Israel		Docs Gigasheet
	RGI Labs Open homepage		Vertical	New York City, NY, USA; Remote		Docs	Open jobs
	Rhenari Open homepage		Vertical	Rapid City, South Dakota, United States		Docs
	Rhizome AI Open homepage		Agents	New York City, NY, USA; Remote		Docs	Open jobs

Staff list a company after a homepage 200 and one to three sources. 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.