Venture-Backed Startups

Atropos Health develops a cloud-based platform that generates real-world evidence from electronic health records to inform clinical decision-making and healthcare research. The company enables healthcare institutions, clinicians, and life sciences organizations to rapidly conduct observational studies from patient data for personalized medicine and evidence-based practice.

7 investors

0 investors

ATRX develops reusable space planes that launch from conventional runways using air-breathing propulsion technology, targeting rapid and low-cost access to space compared to traditional vertical-launch rockets.

1 investor

ATS Acoustics manufactures and sells acoustic products including panels, bass traps, baffles, diffusers, and room kits, including custom options, sold factory-direct online. It serves consumers, businesses, architects, and contractors for spaces such as studios, churches, schools, and commercial buildings, with US-based manufacturing.

1 investor

0 investors

0 investors

0 investors

ATS Rentals was a camera and lens rental service offering photography and video equipment from brands like Canon, Nikon, Sony, and Leica. The company has been acquired by Lensrentals.com and no longer accepts new orders.

1 investor

ATSA is a nonprofit association that connects Thai students in the U.S. with community, resources, and career and academic opportunities through events such as job fairs, academic conferences, mentorship programs, and scholarship fundraisers.

1 investor

AtScale provides a semantic data platform that helps enterprises establish a unified, trusted source of truth for analytics and AI across cloud platforms and BI tools. The platform enables consistent data governance and definitions for both business intelligence and machine learning workloads.

5 investors

Atsena Therapeutics is a clinical-stage gene therapy company developing treatments for inherited retinal diseases. Its pipeline includes ATSN-201 for X-linked retinoschisis, ATSN-101 for LCA1, and earlier-stage programs for Usher Syndrome 1B and Stargardt disease.

1 investor

0 investors

0 investors

0 investors

Verra Mobility provides smart transportation technology for rental car companies, fleet operators, municipalities, school districts and government entities, offering integrated solutions for toll and violation management, vehicle registration, and safety camera programs (ALPR, red-light, speed, school bus stop arm and bus lane). The company operates across more than 15 countries in the smart mobility ecosystem.

1 investor

Atsumell provides AI-native products and consulting services to transform software development workflows in Japan's IT industry. The company offers a specification editor (Kakusill), partner management platform, and AI agents to restructure the entire value chain of system development from requirements definition through automation.

1 investor

Atta is a data analysis tool built around a canvas interface where AI agents assist users in exploring and comparing data, aimed at operations teams handling complex analytical projects.

1 investor

Attabotics develops warehouse automation and material handling technology that was acquired by LaFayette Systems, a family-owned organization with 30+ years of experience in the sector.

2 investors

Attack Capital is a YC-backed venture builder and AI-focused investment fund that invests in and co-builds early-stage companies using a studio model. The firm targets AI-native businesses across verticals including SaaS, robotics, healthcare, fintech, logistics, and enterprise automation.

1 investor

AttackIQ provides automated red team exercise software that scales security testing across organizations without increasing headcount. The platform enables security teams to automate repetitive penetration testing tasks, verify fixes faster, and focus expert analysts on advanced threat hunting and custom adversary research.

7 investors

Attain provides a digital ordering and inventory management platform for convenience stores to purchase stock from food-service distributors, replacing traditional paper invoices and phone orders.

2 investors

Attane Health provides nutritious groceries and educational resources tailored for people with chronic health conditions. The company combines food access with personalized support to help individuals manage their health through dietary intervention.

4 investors

0 investors

Attendly offers a software platform for managing after school programs, handling registration, attendance tracking, and state and federal compliance reporting. It serves California school districts, charter schools, and county offices of education.

1 investor