Ontario, California, United States
Startups in Ontario
RemJobs lists 10 startups in Ontario, California, United States. 1 is pinned at a verified office address on the map; the rest are placed in the city. None had open remote roles when their job boards were last read, and 2 went through Y Combinator.
Among them: LogisticsOS, Serna Bio and Genwin.
Updated
- startups
- 10
- pinned at an office
- 1
- hiring remotely
- 0
- backed by Y Combinator
- 2
Tech companies in Ontario
- LogisticsOSYC W21API for route planning and optimization used by last-mile delivery firms offering same-day or next-hour service.
- Serna BioYC W21Serna Bio makes RNA druggable, using AI to design small molecules unconstrained by the human mind, opening every gene as a therapeutic target.
- GenwinGenwin is a U.S.-based technology provider offering enterprise software development, infrastructure solutions, and compliance-focused systems for businesses…
- Sericon Technology Inc.We provide cloud-based security solutions that empower ISP's, router vendors and IoT vendors to secure their user bases. With powerful testing tools and a compr
- Sun Tzu energySun Tzu Power: Empowering the Future of Energy Storage ⚡ At Sun Tzu Power, we specialize in providing cutting-edge Energy Storage Solutions (ESS) for businesse
- YS LOCKERYS Locker is an IoT company established in 2002, headquartered in China. We focus on the R & D, design, production, sales and operation of intelligent devices,
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4 more startups in Ontario
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Questions
How many startups are there in Ontario?
RemJobs lists 10 startups in Ontario, California, United States as of Oct 26, 2026. That is 1% of the 70,062 it lists in United States.
Which startups in Ontario are hiring remotely?
None of the startups in Ontario had open remote roles when their job boards were last read. 6,485 startups elsewhere hire remotely in United States.
Where are the startups in Ontario on a map?
1 of them is pinned at a verified office address on the RemJobs map; the rest are placed in the city without a street address. Members see every pin and each company's founders.
How many startups in Ontario went through Y Combinator?
2 startups in Ontario on RemJobs are Y Combinator companies.
Companies come from public sources: their own websites, public startup directories and accelerator portfolios, and their public job boards (Greenhouse, Lever, Ashby), which were last read through Oct 20, 2026. A company that is missing or out of date can write to us from the footer.