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Mable

YCombinator

First personalized migraine clinic using genetics and telehealth.

Mable is a personalized migraine clinic using DNA to find and provide the right medication alongside continuous expert care Using our approach, patients have an 80% higher treatment satisfaction rate, have one extra day per week to enjoy their life and get 55% pain reduction.

Mach9

YCombinator

AI CAD Software for Civil Engineering

Mach9 accelerates how teams model and understand the world with automated feature extraction technology. Founded in 2021 and headquartered in San Francisco, Mach9's flagship Digital Surveyor platform helps transportation agencies, utility companies, and engineering firms extract miles of road corridor projects in a fraction of traditional processing time. Built on decades of research from Carnegie Mellon University's Robotics Institute, Mach9 empowers the architecture, engineering, and construction industries to tackle large-scale infrastructure projects with unprecedented speed and accuracy. Leading survey and geospatial organizations, including Langan, Olsson, Woolpert, HDR, and major state DOTs trust Digital Surveyor to create engineering-grade maps for infrastructure design and operations.

Machine Zone

YCombinator

Pioneers of mobile social gaming.

Live data powers everything we do—from our global, multiplayer mobile games to our mobile ad buying to our live data ecosystem, Satori. MZ is creating new futures for people, enterprises, cities, and countries. The possibilities are endless.

machine0

YCombinator

Persistent & powerful cloud VMs from your CLI

machine0 is a CLI that lets you create, provision, and snapshot cloud VMs. `machine0 new my-vm` spins up a VM with dedicated CPU, RAM, and optional GPUs, plus a static IP and HTTPS endpoint. The tools agents need (e.g. Node, Python, Docker) and the agents themselves (e.g. Claude Code, Codex, OpenClaw, Hermes) come pre-installed. 99.99% VM uptime SLA across four regions. Agent workloads are moving from ephemeral to always-on. A coding agent debugging a complex issue runs 4-8 hours. OpenClaw runs 24/7. machine0 is the environment in which these agents run.

MadEats

YCombinator

Online delivery-only restaurant group in the Philippines

MadEats is an online delivery-only restaurant group in the Philippines, building affordable, high margin food brands by using our own ghost kitchens.  Since we use ghost kitchens, we don’t have to spend for expensive dining areas and wait staff. We can spend more money on growing our food brands, better food, and making better delivery experiences.

Global Manufacturing, Simplified

Global manufacturing, simplified. Maderight is your one-stop shop for fashion sourcing, manufacturing, and logistics. We manage your entire supply chain so that you can focus on building your brand and selling your products rather than worrying about manufacturing delays and mistakes. Our consortium of factories have been curated to guarantee ethical practices, quality assurances, and timely delivery. Y Combinator S15 & StartX S15

Functional 3D printing materials.

MadeSolid is a hardware company that develops high-quality materials with 3D printing applications. With a team of experienced chemists and engineers, the MadeSolid develops functional materials for 3D Manufacturing real products. MadeSolid is based in Emeryville, California.

MadeThis

YCombinator

The autonomous business platform

MadeThis is an innovative startup in the tech space.

Madrone

YCombinator

Hyper-efficient coolers for data centers

Madrone builds cooling systems for data centers. In Texas, where most new sites are, Madrone can cool using 30% less power and water, thanks to novel dew-point cooling technology.

Mage Legal

YCombinator

Automatic AI Legal Diligence

Comprehensive AI coverage across your entire data room. Surface red and yellow flags, draft memos, compare redlines, and ensure nothing falls through the cracks.