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Company universe, page 168

Paginated source-backed product repertoire generated by High Signal.

ingest
12,964 companies
Generated from four first-party startup directories.
normalize
4 sources
Dedupe names, preserve source evidence, infer category.
map
competitors
Same category, shared affiliation/cohort, and description overlap.
render
D1 + SEO
Synced to D1 for API reads; cached artifact renders crawlable pages.
coverage
12,964
Companies with mapped competitors.
last updated
2026-07-15
17:19 UTC
source boundary
100% High Signal generated

Generated at 2026-07-15 16:41 UTC by scripts/build-company-universe.ts. This paginated route is static and crawlable, while the same generated run is synced into D1 for API/search reads.

showing 8,351-8,400 · page 168 of 260
company
category
source
similar companies
PermitFlow
Intuitive AI platform that helps general contractors and developers manage their preconstruction process
AI infrastructure
Y Combinator
Constructable, Cemento.AI, Teleo
Permitify
City building departments are understaffed and overworked. Meanwhile, builders lobby to remove power from building departments. Because building departments are usually the only profitable/self-sustaining branch of a local government, this is problematic. Permitify allows city build-plan reviewers to 10x their productivity covering the labor shortage, reducing the time required to issue a building permit, and allowing the city government's only profitable branch to stay intact.
Collaboration and productivity
Y Combinator
Verdant, Calmo, Tolemi
PermitPortal
We are building workflows to help developers go from finding and closing development sites to getting a building permit faster. PermitPortal accelerates the most critical parts of the pre-construction phase: finding the right sites, understanding entitlements and navigating local development sentiment.
Developer tools
Y Combinator
Spark, Nira Energy, Trope
Permits.com
We help contractors get permits, navigate requirements, predict turn-around times, costs, and gain insights into compliance for the subcontractors they hire.
Cybersecurity
Techstars
Onsite, CoCrafter, PillarPlus
Permutive
As third-party identifiers like the cookie disappear, ad-tech breaks—targeting, frequency capping and measurement disappear. We're rebuilding data infrastructure in advertising to work with cohorts—privacy safe descriptions of users—which enable advertising use cases without the need for sharing personal identifiers. We do this by moving data processing and management out of the cloud, and on to the user's device.
Developer tools
Y Combinator
Freshpaint, Vector, AlgoUniversity
PerPlant
Gateway to sustainable farming through AI based sensor systems.
AI infrastructure
Antler
AmbixOS, Eqtrade, microTERRA
Perry
A global community and vetted marketplace for menopause.
E-commerce
Techstars
Xberts, CottageClass, Gather Flora
Perry AI
Purpose-built legal AI for high-velocity private capital funds.
AI infrastructure
Antler
Cobalt, Repool, Surgepay
Persana AI
Persana AI | The Agent Layer for Modern GTM Teams AI Superpowered Sales & GTM Intelligence — built on autonomous agents AI agents that research, enrich, and engage your best prospects — autonomously, not just automated. The Shift from Tools to Agents: Your GTM stack is fragmented. Multiple enrichment providers. Workflow tools with hard limits. Manual triggers. Disconnected data. Persana consolidates it all into one agentic platform that thinks, learns, and executes — 24/7. What Persana Does: 🔍
AI agents
Y Combinator
PromptLoop, Karumi, Wavelength
Persephone Biosciences
Persephone Biome develops live biotherapeutic products to modulate the metabolism of gut microbes, for applications in disease prevention and cure. We take a unique engineering approach using systems and synthetic biology to understand the complexities of the microbiome.
AI infrastructure
Y Combinator
ZBiotics, Epinoma, Atlas Discovery
Perseus
Perseus takes an iterative branching approach to search in high dimensional spaces. Our first product helps coding agents find the right codebase context before they write. It searches files, symbols, and dependencies in parallel, so models can make better changes with less trial and error. Perseus Search gives Mythos-level programming ability to Opus-level coding agents.
AI agents
Y Combinator
Lotas, Driver, Muddy
Perseus Defense
Perseus Defense is building a mass-manufactured Counter UAS solution for the Department of Defense and Department of Homeland Security. Current solutions are one-to-one, too dangerous for use on U.S. soil, and orders of magntiude more expensive than the threats they defeat. Our self-guided missile platform is man-portable and multi-domain capable. It senses, engages, and eliminates threats with drastically reduced cost per engagement over existing kinetic solutions. Solving this critical nationa
Cybersecurity
Y Combinator
Guardian RF, Splash Inc., Surtr Defense Systems
PerShop
Your personal clothing store!
Other
Y Combinator
Epicenter, Stownest
Persist AI
It takes 5 years for pharma to develop long lasting drug injections for chronic diseases like cancer and diabetes. Persist uses AI-driven automation to reduce formulation development time down to 2 years, a ~50% reduction.
AI agents
Y Combinator
Altay Therapeutics, CIPRA.ai, Redivivum
PersistIQ
PersistIQ is a free email automation platform to send a small batch of personalized emails. We help hundreds of small teams (1-200 employees), particularly YC companies, send batches of personalized emails for sales, marketing, and other customer outreach. Our platform is simple to set up, allows custom sequence building, A/B testing, and analytics. Our integrations with Salesforce, Copper, and Zapier allow for a streamlined workflow.
AI agents
Y Combinator
throxy, Flyflow, Segment
Persly
Personalized AI healthcare chatbot that delivers tailored medical insights by integrating personal health records (PHR) and leveraging advanced LLM technology.
AI infrastructure
Antler
Solim Health, StudioUS, Kivira Health
Persona
Build a conversational AI persona in 15 minutes to automate your entire inbound strategy
AI infrastructure
Antler
Positional, muchbetter.ai
PersoniFi
PersoniFi is a first-of-its-kind platform for investing in talented people.
HR and talent
Techstars
Parker, Fintual, Fractionum
Perspectives Health
America is facing an addiction and mental health crisis. We're building a suite of AI agents to automate away the tasks that occupy half of the time and resources of behavioral health clinics—documentation, compliance, audits, utilization review, and more.
AI agents
Y Combinator
Toothy AI, Shasta Health, Pluralith
Pesky Fish
Pesky fish enable fishermen across the country to sell their catch directly to consumers in the fastest, freshest and most traceable supply chain
Other
Techstars
Float, MOWIES, Leblum
Pesto
Powering sustainable growth and resilient supply chains for food and drink manufacturers
Other
Antler, Y Combinator
Kobo360, Duhqa, Smart Diagnostics Systems
Petabolix
Petabolix is a personalized pet nutrition platform that guides vets and pet parents through a lifetime journey of optimal health.
Healthcare
Techstars
Dr. Treat, Bitewell, Pawjourr
PetaSales
source-backed company entry
Other
Y Combinator
Cloudkick, Spaces Life
Petcube
Petcube is a company reimagining pet care, and using technology to keep people connected with their pets. Its first product, Petcube Camera, is an interactive pet monitor with real time video and built-in laser pointer. It allows pet owners to watch, talk to, and play with their pet from their smartphone, no matter where they are. Founded in Kyiv in 2013, Petcube was funded on Kickstarter and became one of the most successful crowdfunding pet products in history. Since graduating from the presti
Gaming and media
Y Combinator
Here, Midnox, LemonSlice
Petgotchi
Petgotchi is a location-based Augmented Reality (AR) mobile game on a mission to bring the most beloved animal friends to you in the virtual world.
Gaming and media
Antler
echo3D, Foundry Six, Gym Class
Petra Power
Petra Power is a manufacturing company that focuses on Solid Oxide Fuel Cells (SOFC) for APU systems.
Other
Techstars
Beyond Aero, Indee Labs, Enurgen
Petrarch
Market maker for specialized data assets
Data and analytics
Y Combinator
Alpha Vantage
Petual
source-backed company entry
Other
Andreessen Horowitz
Payall, Pearl Health, Pietra
Pexx
Send USDT & USDC to bank accounts globally in minutes.
Fintech
Antler
Polar, OnLink, Avuba
Pezzo
Pezzo empowers organizations to seamlessly integrate and optimize AI in their software, without requiring prior AI/ML expertise.
AI infrastructure
Techstars
Nera Systems, SAFA.ai, Logicluster
PgDog
PgDog is an application for sharding PostgreSQL. It understands SQL and can distribute queries automatically between databases. It's built for managed databases, like AWS RDS, and doesn't require any changes to application code or schema. In addition to sharding, PgDog is a load balancer and pooler, so it can act as a replacement for PgBouncer, RDS Proxy, and other Postgres scaling products. It brings the simplicity and performance of HTTP load balancing to the database. Built from the experienc
Developer tools
Y Combinator
Citus Data, Scratch Data, ParaQuery
phablo.ai
source-backed company entry
AI infrastructure
Antler
Persly, Pixverse, Project Mirage
Phalanx
Phalanx provides secure document access by combining automation, identity, and encryption for efficient Zero Trust Data Access (ZTDA). We transform existing platforms, such as Google Drive or Outlook emails, into secure tools for users and give leaders central control to manage & see access to reduce cyber risk.
AI agents
Techstars
Firezone, Upfort, OB2 AI
Phantom
source-backed company entry
Other
Andreessen Horowitz
Payrails, Pearl Health, Pietra
Phare Labs
Phare Labs is a Techstars portfolio company working in proptech.
Other
Techstars
Cobu, Plainr.io, SpectatAR
PharmaBusinessReview
PBR Life Sciences connects businesses with real-world opportunities in life sciences by combining data, technology, and people.
Data and analytics
Techstars
Segmed, Sendbird, Hypherdata
Pharmint
The world's largest B2B marketplace dedicated to pharmaceuticals, connecting industry participants globally
E-commerce
Antler
Vendah, Embark.live, Vamstar
Pharos
Pharos automates hospital quality reporting, saving millions in labour costs and helping to prevent avoidable patient harm. Today, clinicians spend thousands of hours manually pulling complex facts out of medical records for mandatory reporting and quality improvement. Our AI pulls those facts out of unstructured medical records automatically. We automate reporting and show staff where avoidable patient harm is happening.
AI infrastructure
Y Combinator
Triomics, Brighterway, Cognitio Labs
PharosBio
Life science breakthrough generator
Other
Antler
Benchling
Phase Biolabs
Phase Biolabs makes carbon negative solvents and electro-fuels from carbon dioxide (CO2) using fermentation. You can read more about what we are building in our Hacker News article: https://news.ycombinator.com/item?id=30557288 Phase Biolabs is also supported by Bill Gate's Breakthrough Energy Foundation via their Innovator Fellowship program.
Climate and energy
Y Combinator
Reality Defender, SeeO2 Energy, CO2Stats
Phase Zero
Phase Zero empowers healthcare contact centers to easily build internal tooling and automate workflows, all with the flexibility of a spreadsheet.
Healthcare
Techstars
Memora Health, Valene Health, Cofia
Phases
Phases deploys AI agents to oversee clinical trials, improving operational performance, data quality, and audit readiness by identifying risks and taking actions autonomously to solve issues.
AI agents
Y Combinator
Mendral, Theora, Avora
Phiar
At Phiar, we are building the first AI-powered AR navigation driving software solution that runs on a smartphone and in-vehicle displays, utilizing our ultra-lightweight road understanding AI that runs completely at-the-edge, in real-time, all on just a smartphone-level compute. Our mission is to enhance driving safety, facilitate more intuitive wayfinding, and connect drivers with their surrounding environments.
AI infrastructure
Y Combinator
Vision Lab, Qventus, Olio Labs
Philon
Building open-source general-purpose robots capable of performing unsafe, repetitive or boring tasks.
Other
Y Combinator
Cortex AI, Innate, K-Scale Labs
Phind
Phind is an AI search engine. It uses multi-step reasoning to find the best answer for your question and generative UI to present it in the most beautiful and interactive way.
AI infrastructure
Y Combinator
Andi, LanceDB, Cheers
Phoenix
Phoenix is a mission-driven digital healthcare platform for men. We are dedicated to improving the relationship men have with their health, while building the future of patient-centric healthcare in Canada from diagnosing to delivery.
Healthcare
Y Combinator
Script Health, Noteworth, ORA
Phoenix Hydrogen
Phoenix Hydrogen is building the first commodity marketplace for hydrogen. This year, $9.5B in federal grants will fund the first hydrogen grids, but this ecosystem has no marketplace. We’re uniquely able to build one because we’re already working with big utilities on a fulfillment platform: a 1000'-tall underground warehouse for hydrogen.
AI infrastructure
Y Combinator
Line.Build, sync., Fieldguide
Phoenix Tailings
A mining company powered by technology, eliminating waste and creating sustainably produced metals #MaterialScience #Mining #B2B #Sustainability
Climate and energy
Techstars
Adamata, Impossible Metals, Imetalx Group
Phonely
Phonely uses existing call recordings to create a 'AI vocal twin' that can answer customer support calls and match or outperform call center agents. On top of that we've built a Zapier like workflow that lets businesses connect to software or transfer calls just like a person would. Our platform sits on proprietary deterministic LLM that is both cheaper and more accurate than gpt-4o for call center inquiries.
AI agents
Y Combinator
SigmaMind AI, Observe.AI, Airtrain AI
PhoneSys
The Phone System for Sales Teams.
Sales and marketing
Y Combinator
StrideQ, Parakeet, Fiber AI