Top 100 YC Companies by

Number of company employees identified by Clearbit, from LinkedIn and other sources. Source: Clearbit.

Chart Employees for All Companies Chart Employees vs. Other Metrics
Rank Name Batch Category Description Employees
1 Twitch W07 Entertainment Video game live streaming 6,260
2 Airbnb W09 Consumer Book accommodations around the world 6,100
3 Smyte W15 Other SaaS Smyte stops bad actors on social networks and marketplaces. 3,920
4 Dropbox S07 Other SaaS Backup and share files in the cloud. 3,740
5 Rappi W16 Consumer Rappi delivers in minutes groceries, cash, clothing, burgers and more. Everything in Bogotá and Mexico delivered for under 1 dollar. Hyper local, Hyper fast. 2,830
6 Stripe S09 Fintech Online payments. 1,940
7 Cruise W14 Transport Self-driving cars. 1,770
8 DoorDash S13 Consumer Restaurant delivery. 1,700
9 1000Memories S10 Consumer Memorial sites. 1,342
10 Flexport W14 Other SaaS Flexport's mission is to make global trade easier for everybody. We are connecting humanity in a seamless web of global trade with our unique blend of software, human expertise, and physical infrastructure. 1,300
11 Machine Zone W08 Entertainment Mobile games 1,040
12 Gusto W12 Other SaaS Humans aren’t resources. Gusto reimagines payroll, benefits, and HR by automating the most complicated, impersonal business tasks and making them simple and delightful. Get three months free @ https://gusto.com/friends/y-combinator 1,000
13 ACLU W17 Nonprofit Defender of rights and liberties 970
14 ShapeScale S15 Consumer ShapeScale is a personal 3D scanner and fitness tracker that digitizes your body in photorealistic 3D. Visualize on your phone where exactly you gain muscle or lose mass. Now on pre-order on shapescale.com! 👍 #fitness #health #hardware #IoT 900
15 Insight Data Science W11 Education Turning PhDs & engineers into data scientists & data engineers 810
16 Instacart S12 Consumer Groceries delivered fast. 800
17 LeadGenius S11 Other SaaS LeadGenius is an account-based marketing and lead generation platform. LeadGenius uses a unique combination of machine learning and human intelligence to help B2B marketing and sales teams find and connect with their ideal accounts. 760
18 Meesho S16 Other SaaS Meesho is the simplest way for Indie sellers in India to setup, manage and grow their business on Facebook and WhatsApp. 750
19 Teespring W13 Consumer Retail quality products on-demand. Teespring is a platform that enables anyone to create and sell unique apparel and items that people love, with no cost or risk. 740
20 Habitat Logistics W19 Other SaaS We Power Delivery for Restaurants 720
21 Zenefits W13 Other SaaS HR for small businesses: onboarding, payroll and benefits. 670
22 ClearTax S14 Fintech Intuit of India. 590
23 Podium W16 Other SaaS Podium is an interaction platform for local businesses. 570
24 PagerDuty S10 Dev Tools Notify you about server troubles. 550
25 Source W17 Other SaaS Source.com is a B2B marketplace for purchasing and selling excess inventory, wholesale, and liquidation goods. 540
26 Docker S10 Other SaaS App store for server configurations. 510
27 Coinbase S12 Fintech Buy and sell digital currency 🚀 🌑 500
28 Ambition W14 Other SaaS Performance management for the Millennial workforce. Transparency, accountability, motivation around daily activities to drive long-term results. 500
29 AirHelp W14 Consumer AirHelp helps air passengers get compensation for delayed, cancelled and overbooked flights. Proud to be hated by the world's leading airlines! 480
30 Unbabel W14 Other SaaS AI Powered Translation as a Service 480
31 HackerRank S11 Other SaaS Programmer IQ 470
32 Optimizely W10 Dev Tools A/B testing. 455
33 ShipBob S14 Other SaaS Providing Amazon level logistics to e-commerce businesses. 450
34 Segment S11 Other SaaS Segment is the analytics infrastructure that helps collect and organize data so businesses make better decisions. 440
35 PlanGrid W12 Real Estate We build mobile applications for the construction industry 410
36 GoCardless S11 Fintech Replace credit cards online. 400
37 Amplitude W12 Other SaaS Product Analytics 400
38 Fivestars W11 Other SaaS Marketing automation for small businesses. 400
39 Caviar S11 Consumer Uber for food. 390
40 Zeus S11 Real Estate Tech-enabled property manager focused on corporate rentals 390
41 iCracked W12 Consumer On-demand smartphone repair in 3 countries and launching smart home installation. Think of us like a white labeled Geek Squad for retailers, Insurance Co's, and Telco's. 380
42 Verbling S11 Education Language learning through video chat. 380
43 Mixpanel S09 Other SaaS Mixpanel is the most advanced analytics platform in the world for mobile & web. 350
44 Checkr S14 Other SaaS Checkr’s mission is to build a fairer future by improving the understanding of the past. We're modernizing how background checks are done. 350
45 Presto S10 Other SaaS Tablets on restaurant tables, so guests can order, pay and play games from their seat without waiting 340
46 Algolia W14 Dev Tools With 50 data centers in 15 regions, Algolia offers a developer-friendly and enterprise-grade search API. Designed to make every search interaction meaningful and rewarding, Algolia serves billions of queries weekly for more than 5,000 customers. 320
47 Scribd S06 Entertainment World's largest online library. 320
48 EquipmentShare W15 Real Estate EquipmentShare is the best way to rent, track, and own construction equipment. Offering the newest fleet, 24/7 on-demand service and built-in telematics. 310
49 WePay S09 Fintech Payments for platform businesses. 310
50 MatterPort W12 Entertainment Turn physical objects and environments into 3D models in seconds. 300
51 Weebly W07 Other SaaS Web site editing platform. Over 40M people have launched their business on Weebly and every month 325M people visit a Weebly-made site, or 50% of the US. 300
52 Le Tote S13 Consumer Subscription service for women's apparel & accessories. 300
53 Memebox W14 Consumer Full Stack Beauty Ecommerce 280
54 Lever S12 Other SaaS Lever is an Applicant Tracking System + Talent CRM. It effortlessly fits the hiring needs of companies today. 280
55 Heroku W08 Other SaaS Heroku is a multi-language cloud application platform that enables developers to deploy, scale, and manage their applications. 270
56 FileStack S12 Other SaaS Acquired by Xenon Ventures. We enable website developers to hook into various online content sources (Dropbox, Facebook, Github, Gmail, et. al) with a single line of javascript. Thinking of dealing with files or Oauth? Talk to us first. 270
57 Genius S11 Entertainment Crowd-sourced explanations of song lyrics 260
58 EasyPost S13 Other SaaS Shipping API 260
59 7cups S13 Healthcare 7 Cups is an emotional support service that matches up people that need support with active listeners and therapists. 250
60 GOAT W11 Consumer Sneaker Marketplace 250
61 Ginkgo Bioworks S14 Healthcare The organism company. 250
62 ZeroCater W11 Other SaaS ZeroCater is the #1 way companies provide family-style meals for their employees. 230
63 Reddit S05 Entertainment The frontpage of the internet. 230
64 uBiome S14 Healthcare Using Big Data and crowdscience to unlock the secrets of the human microbiome 230
65 Zapier S12 Other SaaS Zapier connects thousands of SaaS apps with customizable workflows via an easy to use editor. 230
66 Fullstack Academy S12 Education Immersive, effective, efficient code education. 220
67 Creative Market W10 Dev Tools Marketplace for ready-to-use design assets from independent creators around the world. Acquired by Autodesk in February 2014. Spun out again in July 2017. 220
68 Codecademy S11 Education Codecademy teaches the world the skills they need to get the jobs they want. 220
69 Vidyard S11 Other SaaS YouTube for business. 210
70 Gigster S15 Dev Tools Gigster does software development & design on demand. Submit a project & get a quote in minutes for any app or website. We assemble a US-based team and manage your entire project. Top talent from MIT, Stanford Caltech, Google, Facebook. 210
71 MessageBird S16 Dev Tools MessageBird is an API for sending Text, Voice & Chat messages. We offer the most advanced messaging API, packed with features and customizable parameters for high-volume and demanding message senders. 200
72 Oh My Green S16 Other SaaS We make employees healthy, happy, productive, and retain better through snacks, beverages, catering, and more. 200
73 Rainforest S12 Dev Tools Dead simple testing. The fastest, easiest way to test your website. Say no to manual QA! 200
74 The Muse W12 Other SaaS The Muse is the ultimate career destination offering exciting job opportunities, expert advice, and a peek behind the scenes into fantastic companies and career paths. 200
75 Guesty W14 Real Estate The management platform for the short term rental industry 190
76 Airware W13 Aerospace Airware provides end-to-end solutions that enable enterprises to digitize their business and turn aerial data into actionable business intelligence. 180
77 Plivo S12 Dev Tools APIs for Voice calls and SMS 180
78 MemSQL W11 Other SaaS ANSI SQL-compliant, distributed, in-memory database for real-time analytics 170
79 Magic W15 Consumer Upgrade your life with a 24/7 personal assistant 170
80 Lob S13 Other SaaS Lob is on a mission to make the world programmable. We offer two core API products: Print & Mail and Address Verification which enable developers to automate the offline world. 160
81 HelloSign W11 Other SaaS The #1 eSignature Software for Small and Mid-Market Businesses. 150
82 Homejoy S10 Consumer platform for home service professionals 150
83 Cue W10 Consumer Cue is a web and mobile app that pulls information from the users’ online accounts to present an overview of their day. 150
84 inDinero S10 Other SaaS Financial dashboard for businesses. 150
85 Fountain S15 Other SaaS The hiring automation platform built for speed and scale. 150
86 Clever S12 Education Developing applications for education is a data nightmare. Clever's APIs make building on top of student data easy for developers. 150
87 Automatic S11 Consumer Automatic connects your car to the rest of your digital life. 140
88 NURX W16 Healthcare Nurx is the fastest way to get oral contraceptives and Truvada for PrEP. 140
89 Fivetran W13 Other SaaS Data infrastructure as a service 140
90 Front S14 Other SaaS Collaborative Inbox for Companies 140
91 People.ai S16 Other SaaS People.ai automates manual data entry, increases sales productivity, and provides actionable intelligence across all your management tools. 140
92 DrChrono W11 Healthcare Mission: Building the medical practice of the future. Products: EHR. Medical Billing. Healthcare API. 140
93 Bitmovin S15 Other SaaS Video Infrastructure for the Web 140
94 9gag S12 Entertainment Make the world happier. 140
95 Airtime S05 Airtime is a live video platform that allows people to stay in touch with their closest family and friends through real-time sharing. 130
96 CareMessage W14 Nonprofit Patient engagement using text messaging 130
97 GO1 S15 Other SaaS A marketplace of onboarding, compliance and professional development training for your staff. 130
98 Panorama Education S13 Education Data analytics for public schools 130
99 LendUp W12 Fintech LendUp is a socially responsible company on a mission to redefine financial services for the emerging middle class. LendUp builds loans and credit cards paired with educational experiences to help people save money and improve their financial health. 130
100 Benchling S12 Healthcare Collaboration & data management platform for life science research 130