Startups
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ResearchGateFree network where researchers share papers, follow colleagues and track reads and citationsEdTech
Restaurant365Restaurant accounting, inventory, scheduling and payroll in one cloud platformStartup
RetoolBuild internal apps, workflows and AI agents on your own databases and APIsStartup
REVLAI Powered Video Souvenirs as a Service. Full end to end solution for roller coasters, skydive drop zones,…Artificial IntelligenceRibbon HealthProvider data API for finding the right doctor; now part of H1HealthcareRideCellRidecell provides car-sharing, ride-sharing, short-term leases, and autonomous vehicle fleet services for car rental companies. Autonomous Vehicles Fleet…Autonomous Vehicles
Rigetti ComputingRigetti Computing is a full-stack quantum computing company that designs and manufactures integrated circuits. Hardware Artificial intelligenceHardwareRillaBuilding the leading conversation intelligence software for offline commerce Artificial Intelligence SalesArtificial Intelligence
RipcordRobots scan paper records and AI turns them into structured, searchable dataRoboticsRipple FoodsRipple Foods makes non-dairy milk with just as much protein as milk and half the sugar. Food &…Food & DrinksRipplingPlatform for companies to manage the full employee lifecycle Enterprise Software SaaS Human ResourcesEnterprise SoftwareRITUALRitual is a health technology company that is re-inventing consumer products. Wellness E-CommerceWellnessRobby TechnologiesAutonomous delivery robots. Robotics Hardware DeliveryRobotics
RobinhoodRobinhood is a new way to invest in the stock market. FinTech TradingFinTechRobocorpRobocorp is a cloud platform for robotic process automation (RPA) and open source RPA tools Cloud Infrastructure SaaS…Cloud Infrastructure
Robust IntelligenceAI model testing and protection, acquired by Cisco in 2024Artificial IntelligenceRocket LabRocket Lab delivers a range of complete rocket systems and technologies for fast and low-cost payload deployment. Manufacturing…StartupRocksetServerless search and analytics Analytics SoftwareAnalyticsROME TherapeuticsRepeatome biotech that wound down in 2025 and became a subsidiary of Pretzel Therapeutics in 2026Biotech
RoofrA technologically advanced roofing brokerage that uses revolutionary software to simplify roof replacement and repair. Renovation ConstructionRenovation
RoofstockMarketplace and services for buying, managing and selling single-family rental homesReal EstateRootlyRootly helps companies recover faster from incidents and learn to prevent them in the future. Software Developer ToolsSoftware
rose rocketRose Rocket is ERP software for trucking companies. Transportation Enterprise SoftwareTransportationRoutableRoutable provides service to send and receive business-to-business payments. FinTech PaymentsFinTech