Companies

Anthropic is an AI safety company based in San Francisco that develops Claude, a family of large language models, and publishes AI alignment research.

Anysphere is an applied research lab based in San Francisco that builds Cursor, an AI-powered code editor.

Figma is a San Francisco-based company that makes a browser-based collaborative interface design and prototyping tool. Acquired by Adobe in 2022.

Linear is a San Francisco-based software company that makes an issue tracking and project management tool for software teams.

OpenAI is an AI research and deployment company based in San Francisco, known for the GPT series of large language models and the ChatGPT product.

Vercel is a San Francisco-based cloud platform for deploying frontend applications, and the maintainer of the Next.js framework.

11x builds autonomous AI sales agents—Alice for outbound prospecting and Julian for inbound voice and chat—for revenue teams. Based in San Francisco.

15Five is the performance management platform that creates effective managers, highly engaged employees, and top-performing organizations.

1Password is a Toronto-based security company that makes a password manager and extended access management platform for individuals and businesses.

Sense is a San Francisco-based ABM and revenue AI platform that identifies in-market accounts and orchestrates go-to-market programs across marketing and sales.

7shifts is a Toronto-based provider of workforce management software for restaurants, covering scheduling, labor compliance, and team communication.

ABBYY is an Austin, Texas-based software company specializing in intelligent document processing, OCR, and process intelligence.

ADP is a Roseland, New Jersey-based human capital management company offering payroll, HR, benefits, talent, and compliance services to over a million clients globally.

AI21 Labs builds enterprise foundation models and AI orchestration systems from Tel Aviv, Israel, including the Jamba LLM series and the Maestro agentic framework.

Ably is a London-based realtime messaging platform offering pub/sub APIs for chat, live dashboards, notifications, and collaborative apps.

Abnormal AI is a cloud email security company based in San Francisco that detects and blocks business email compromise, phishing, and account takeover attacks.

Abridge is a Pittsburgh-based AI company that transcribes and summarizes clinical conversations, generating structured medical notes from physician-patient encounters.

ActivTrak develops cloud-based workforce analytics software that tracks employee activity across applications and AI tools to measure productivity. Based in Austin, Texas.

Activepieces is an open-source workflow automation platform that allows teams to build automated workflows connecting apps and AI models without writing code.

AdAnt is a software company that generates short-form video ad variants from product URLs or reference videos for social media advertising.

Ada is a Toronto-based customer service automation platform that uses AI to autonomously resolve customer inquiries across chat, email, voice, and social media channels.

Addepar is a Mountain View-based wealth management platform used by financial advisors to aggregate and analyze investment portfolios.

Aderant develops business management and financial software for law firms, based in Atlanta, Georgia.

Adobe is a San Jose-based software company behind Creative Cloud, Document Cloud, Experience Cloud, and generative AI tools including Adobe Firefly.

AgentSky is a US-based cloud platform, operated by HeyMall, Inc., that runs eight AI agent harnesses and a dozen models through a single API with persistent sessions.

Ahrefs is a Singapore-based SEO software company known for its backlink analysis and keyword research tools.

Aider AI LLC develops an open-source AI pair programming tool that runs in the terminal, allowing developers to edit code in local Git repositories using large language models.

Aidoc is a Tel Aviv-based healthcare AI company providing radiology tools that flag critical findings in medical imaging.

Airbase is a procure-to-pay platform based in San Francisco offering spend management, accounts payable automation, expense management, and corporate cards for mid-market and enterprise companies.

Airbyte is a San Francisco-based open-source data integration company providing 400+ connectors for syncing data between sources and destinations.

Aircall is a cloud-based business phone and communication platform based in Paris, offering voice, SMS, and messaging integrations for sales and support teams.

Airtable is a San Francisco-based cloud platform that combines spreadsheet and relational database functionality, used for project management, workflow automation, and data organization.

Airtop is a web automation platform based in San Jose, California that runs AI agents in cloud browsers, letting them sign in to websites and complete workflows without custom code.

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Algopix Holdings Ltd. is a market research platform for e-commerce sellers, based in Palo Alto, California, analyzing product demand and pricing across Amazon, eBay, and Walmart.

Alibaba Cloud is the cloud computing division of Alibaba Group, headquartered in Hangzhou, China. It develops the Qwen series of large language models and multimodal AI models.

Almanac Labs Inc was a San Francisco-based document collaboration and version-control platform for remote-first teams, founded in 2019 and shut down in January 2025.

Alpaca is a San Mateo-based brokerage API platform that enables developers and fintech companies to build trading applications, automate strategies, and embed stock and crypto trading.

Altair is a Troy, Michigan-based engineering simulation, high-performance computing, and data analytics software company, acquired by Siemens in 2025.

Alteryx is an Irvine, California-based analytics automation company offering tools for data preparation, blending, and advanced analytics, acquired by Clearlake and Insight Partners in 2024.