
Courier
What they do:
The fastest way for developers to build notifications for their app.
Quick facts:
HQ: San Francisco, CA, United States
This list has 974 startups and was last updated on Oct 15, 2026. 147 of them are hiring right now. Biggest hubs: San Francisco (868), Los Angeles (81), and San Diego (4). Largest teams: DoorDash, Airbnb, and GrubMarket. Latest round: Modal raised $750M (Oct 14, 2026).

What they do:
The fastest way for developers to build notifications for their app.
Quick facts:
HQ: San Francisco, CA, United States

What they do:
We make it easy for startups to hire engineers.
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HQ: San Francisco, CA, United States

What they do:
Bump, Flock, Photoroll (unreleased) => Google Photos
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HQ: San Francisco, CA, United States

What they do:
Chat for gaming communities
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HQ: San Francisco, CA, United States

What they do:
Build Credit With Your Subscriptions
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HQ: Los Angeles, CA, United States

What they do:
Data and AI platform for Ecommerce & Cross-Border Logistics
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HQ: San Francisco, CA, United States

What they do:
Interactive video platform for kids
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HQ: San Francisco, CA, United States

What they do:
The best new products in tech
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HQ: San Francisco, CA, United States

What they do:
Powering the $648b Care Economy
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HQ: San Francisco, CA, United States

What they do:
NexTravel is a centralized travel booking platform that helps…
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HQ: San Francisco, CA, United States

What they do:
Nebia is a breakthrough shower system, based on a premium experience,…
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HQ: San Francisco, CA, United States

What they do:
One chat app to rule them all
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HQ: San Francisco, CA, United States

What they do:
The open platform for the vacation rental industry.
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HQ: San Francisco, CA, United States

What they do:
Google AdWords for music. Allowing bands and labels to bid for…
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HQ: Los Angeles, CA, United States

What they do:
Media in the cloud
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HQ: San Francisco, CA, United States

What they do:
A B2B marketplace that connects inventory to online stores
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HQ: San Francisco, CA, United States

What they do:
Own the best moments in streaming
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HQ: Los Angeles, CA, United States

What they do:
Edwin is virtual English tutor - an AI-powered service for learning…
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HQ: San Francisco, CA, United States

What they do:
Managed marketplace for automotive services.
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HQ: San Francisco, CA, United States
What they do:
Discover the photos and videos people are taking of your brand or…
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HQ: San Francisco, CA, United States

What they do:
Exec is a house cleaning service that users can book from their…
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HQ: San Francisco, CA, United States

What they do:
Deals, Coupons & Cash Back for your favorite stores.
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HQ: San Francisco, CA, United States

What they do:
Facebook analytics. Acquired by Unified in January 2013.
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HQ: San Francisco, CA, United States
What they do:
Location sharing. Acquired by Groupon in 2013.
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HQ: San Francisco, CA, United States
What they do:
Business dashboards
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HQ: San Francisco, CA, United States
What they do:
Connecting users with engaging video content across the web.…
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HQ: Los Angeles, CA, United States

What they do:
Video Encoding API, Open source video player (video.js)
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HQ: San Francisco, CA, United States
What they do:
Cue (formerly Greplin) is a free service that helps people make the most of their day. Cue intelligently ties together and surfaces useful information at the…
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HQ: San Francisco, CA, United States

What they do:
Lockitron makes electronic locks you can control locally from your…
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HQ: San Francisco, CA, United States

What they do:
Heyzap (acquired by Fyber for $45m in 2016) is one of the largest…
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HQ: San Francisco, CA, United States

What they do:
Dead simple blogs by email
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HQ: San Francisco, CA, United States

What they do:
Add comments to your website.
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HQ: San Francisco, CA, United States

What they do:
Loopt, based in Silicon-Valley and backed by leading venture capital firms Sequoia Capital and New Enterprise Associates, has created an interoperable…
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HQ: San Francisco, CA, United States

What they do:
Pandora meets Yelp for K-12 educational videos. We match each…
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HQ: San Francisco, CA, United States

What they do:
Our core thesis at Kamcord was that people do very interesting things on their phone screen but don't have a good way to capture and share those moments.…
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HQ: San Francisco, CA, United States

What they do:
A mobile wallet that allows you to pay everywhere credit cards are…
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HQ: San Francisco, CA, United States