Y Combinator Winter 2019 (W19) Companies

Flockjay is a generative AI-powered sales enablement platform that unifies content management, learning, and coaching for sales teams. The platform serves sales leaders, revenue operations, and sales enablement teams to improve deal velocity, win rates, and team training efficiency.

4 investors

The Flower Company offers on-demand cannabis delivery, providing flower and concentrates to medical and recreational users. It operates in California.

2 investors

Forage provides free job simulations designed by leading employers to help students build real-world skills and prepare for careers. The platform offers over 300 simulations across 125+ companies, allowing users to demonstrate competency to potential employers.

4 investors

Frubana supplies food and ingredients to restaurants across Latin America through an online marketplace.

3 investors

Fuse provides a single API layer that connects to multiple bank data providers like Plaid, MX, and Teller, automatically routing each bank to its most reliable provider and normalizing data across them. Financial software companies use Fuse to increase connection reliability, reduce account disconnections, and expand bank coverage.

1 investor

Geosite is a cloud platform that aggregates public and commercial geospatial data including satellite imagery, allowing users to search, purchase, and manage datasets for planning and operations. It serves customers in energy, defense, and other sectors seeking to integrate spatial information into their decision-making and logistics.

3 investors

Glide is a no-code platform that converts spreadsheets into AI-powered business applications for automating manual workflows. It serves companies across operations, finance, HR, inventory, logistics, and procurement.

1 investor

Globe Exchange is a cryptocurrency trading platform offering spot and perpetual markets, volatility trading, and a unified margin system for risk management. The platform uses GDT, its native token, to provide staking rewards and fee discounts to users.

2 investors

GoLinks provides a tool that connects companies to their business tools and resources, reducing the need for manual resource hunting. It serves businesses ranging from small teams to enterprises globally.

2 investors

A licensed retail electric provider that sells renewable energy directly to residential and commercial customers in Texas, bypassing traditional utility intermediaries to offer lower rates.

1 investor

Handle builds a construction data platform that unifies fragmented invoices, projects, payments, and documents into a single data graph. It powers automation, compliance, payments, and financial intelligence for construction companies using AI.

6 investors

Hatch provides an AI customer service representative platform for service businesses that handles inbound calls, SMS, and email communications to manage leads, support inquiries, and customer follow-up without requiring additional headcount.

1 investor

Heart Aerospace develops electric regional aircraft for commercial airline operators. The company designs, builds, and flight-tests electric aircraft to replace combustion-powered regional aviation.

5 investors

Herald collects customer feedback from communication platforms like Intercom, Front, and Slack, then analyzes and organizes it to help product and customer teams identify user problems. The platform lets teams share feedback internally, with select customers, or publicly via roadmap and changelog features.

1 investor

Hypnos uses AI to analyze sleep patterns alongside user-reported habits and mood to identify factors affecting sleep quality and recommend improvements.

1 investor

Inito provides fertility and reproductive health services, advised by reproductive endocrinologists and infertility specialists.

3 investors

Insight develops a browser application for iOS devices that allows users to install and use extensions.

1 investor

Instapath develops rapid digital pathology microscopy platforms that enable cancer diagnosis from tissue samples in minutes rather than days. The technology serves pathology labs and healthcare providers to accelerate cancer diagnosis and reduce repeat biopsy procedures.

1 investor

Intact Therapeutics develops next-generation biopharmaceutical therapies for gastrointestinal diseases to address unmet clinical needs. The company is clinical-stage and focused on improving patient outcomes through innovative medicines.

2 investors

Intelline develops CAVIE modular power systems for industrial applications, offering scalable distributed power generation with fuel-agnostic capability and up to 40% improved fuel efficiency. The systems are designed for heavy-duty industrial use cases requiring zero-downtime redundancy and multi-fuel compatibility.

1 investor

InterPrime provides cash management and investment services designed for startups and growth companies, automating account sweeps, portfolio optimization, and access to capital with insurance protection up to $30 million.

1 investor

JetPack Aviation designs and builds turbine-powered micro VTOL aircraft, including jetpacks, developing everything in-house from mechanical to flight systems. The company has produced VTOL aircraft featured in films, commercials, and air races.

4 investors

Juzibot develops AI agents for enterprise workflows, enabling companies to automate tasks across departments from management to frontline operations through conversational AI integrated with workplace communication tools. The company serves large enterprises (1000+ clients) across sales, compliance, testing, and administrative functions.

2 investors

Kalshi operates a federally regulated futures exchange that allows users to trade contracts based on the outcomes of real-world events, creating a new market for event-based financial derivatives.

28 investors