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Logo	Name	Short description	Category	Region	Founders	Sources	Jobs	Exit	Stage
	One Execution Hub Open homepage		Other	Israel		Docs Gigasheet	Open jobs
	One Space Open homepage		Vertical	Israel		Docs Gigasheet	Open jobs
	One Sports Portal (yediot Ahronot Group) Open homepage		Other	Israel		Docs Gigasheet
	One Vision Open homepage		Other	Israel		Docs Gigasheet	Open jobs
	One1 Open homepage		Other	Israel		Docs Gigasheet	Open jobs
	One1samba Open homepage		AI infra	Israel		Docs Gigasheet
	Onebeat Open homepage	OneBeat’s AI-powered retail inventory management software improves efficiency and inventory turns in stores. Boost retail margins with OneBeat!	Other	Israel		Docs Gigasheet
	OneChronos Open homepage	OneChronos is bringing together auction theory, distributed systems, artificial intelligence, and deep market structure expertise to help humans and agentic systems transact more efficiently.	Vertical	New York City, NY, USA		Docs	Open jobs
	OneInbox.ai Open homepage		Agents	Beaverton, Oregon, United States		Docs	Open jobs
	Oneleet Open homepage	Looking to obtain a SOC 2 report or an ISO 27001 certification? Oneleet is the only all-in-one platform for both real world security AND compliance. Talk to us about SOC 2, HIPAA, ISO 27001, PCI, GDPR & more.	Vertical	Amsterdam, NH, Netherlands		Docs
	OneSchema Open homepage	An AI cowork built for massive datasets and sensitive data. Combine lakehouse scale, spreadsheet control, and reusable team skills in OneSchema.	Vertical	San Francisco, CA, USA		Docs	Open jobs
	OneTriangle Open homepage		AI infra	San Francisco, CA, USA		Docs	Open jobs
	Ongage Open homepage		Other	Israel		Docs Gigasheet	Open jobs
	Onlook Open homepage	Onlook is a visual code editor that lets designers work directly in real codebases. Edit live React components on an infinite canvas with your team’s real Storybook design system. AI helps. The code is the source of truth. Open-source.	Vertical	San Francisco, CA, USA		Docs
	Onshore Open homepage	Onshore finds, documents, and defends the R&D credits and deductions your work has earned. Real tax experts on every return, for farms, builders, manufacturers, and energy.	Vertical	New York City, NY, USA		Docs
	Ontarget Communications Open homepage		Other	Israel		Docs Gigasheet
	Ontora Open homepage		Agents	San Francisco, CA, USA		Docs	Open jobs
	Ontra Mobility Open homepage	Ontra Mobility is the AI platform for transit planning. Demand modeling and optimization help agencies decide what service to run.	Vertical	New York City, NY, USA; Remote		Docs
	Onysus Open homepage		Other	Israel		Docs Gigasheet
	Onyx Open homepage	Give your team superpowers. Onyx is the open-source AI chat connected to your docs, apps, and people.	Vertical	San Francisco, CA, USA		Docs	Open jobs
	Ooak Data Open homepage	We build the datasets, evaluation environments, and data pipelines that move AI agents from controlled demos to real-world production.	Vertical	San Francisco, CA, USA		Docs	Open jobs
	Ooval Valves Ltd. Open homepage		Energy	Israel		Docs Gigasheet
	Opal Therapeutics Open homepage	Opal Therapeutics develops lab-grown uterine organoids for women’s health research and therapy development, focusing on conditions like fibroids and endometriosis.	Vertical	San Francisco, California, United States		Docs
	Opalis Global Ltd Open homepage		Other	Israel		Docs Gigasheet

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.