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AI infrastructure

Earendil Robotics

Earendil Robotics builds cUAS solutions for the modern warfighter, enabling effective air defence at the small-unit level. We deliver spotting, engaging, and destroying capabilities through advanced sensors, autonomous interceptors, and integrated systems. Our product lineup covers every stage of the kill chain, complemented by the Drone Warfare Academy that trains soldiers to eliminate enemy drone threats in contested environments. Backed by worldwide frontline combat experience, we equip units

sources
1
Evidence entries preserved.
affiliations
1
Y Combinator
competitors
6
Mapped from High Signal graph features.
status
generated
D1 lookup
last updated
2026-07-15
16:41 UTC
source evidence
Why this company exists here

Y Combinator

yc-company-directory #3101

Earendil Robotics builds cUAS solutions for the modern warfighter, enabling effective air defence at the small-unit level. We deliver spotting, engaging, and destroying capabilities through advanced sensors, autonomous interceptors, and integrated systems. Our product lineup covers every stage of the kill chain, complemented by the Drone Warfare Academy that trains soldiers to eliminate enemy drone threats in contested environments. Backed by worldwide frontline combat experience, we equip units

source
generated read
High Signal interpretation

Earendil Robotics is classified as AI infrastructure from source descriptions and fund-directory context. Similar companies below are ranked from offline product facets and meaningful description overlap; category and source affiliation can only strengthen an existing product match. For lookup-created rows, the profile starts as pending enrichment until deeper source collection runs.

offline extraction
Product facets
Drone Warfare Academymodern warfighteradvanced sensorsintegrated systemscUAS solutionsautonomous interceptorsautonomous interceptorsspotting
mapping method
Similarity graph

Local clusters rerank extracted product concepts and description terms. The generated graph remains the fallback for sparse descriptions: offline reciprocal product-similarity graph: extracted concepts + description terms + bounded category/affiliation boosts. Minimum fallback score: 0; max competitors: 6.

discovery cluster

Companies similar to Earendil Robotics

AI infrastructure · 6 peers

A deterministic local cluster built from offline product facets and meaningful description terms. Category and selected-institution affiliation provide bounded tie-breaks. Open any peer to continue exploring its cluster.

9 Mothers

match 69

We have sold $1.6m of systems to the DoW. Multiple systems delivered to the DoW. Our first product - EDDA - is a counter drone system - small, low power, low cost fully autonomous-capable. It's designed to be used on vehicles, bases, or carried - to stop group 1 suicide drones. We have multiple contracts, sales, etc. We have 3 more products with demand in various stages of development. More details at https://9mothers.com

shared extracted concept terms: autonomou, system; shared product terms: system, deliver, drone, small; shared affiliation: Y Combinator

Seeing Systems

match 67

We engineer inexpensive, autonomous strike drones designed to operate in the most contested combat environments on Earth! By combining true hardware modularity with an agentic control system that lowers cognitive load on operators, we enable faster upgrades, broader adoption, and more than 2x reduction in lifecycle cost. Our customers and partners include the UK Royal Marine Commandos, several other units in the UK, and 4 other NATO forces, and we are currently shipping prototypes for iterative

shared extracted concept terms: system; shared product terms: unit, autonomou, system, drone; shared affiliation: Y Combinator

Go1

match 59

In today’s environment, employees need training to ensure business compliance, skill development and to support an engaged workforce. Go1 brings together content from the world’s top training providers and makes it easy to access in whichever platform your organization uses. This makes it easier to deliver, manage and engage with training. Go1 also works with existing LMS, HRIS, and business systems to make learning simpler and more effective.

shared extracted concept terms: system; shared product terms: effective, deliver, engag, system; shared affiliation: Y Combinator

Sorcerer

match 58

Sorcerer is deploying a global network of persistent airborne sensors to fuel advanced weather forecasting. Our high-altitude balloons collect 1000x more data than existing systems and are already used daily by meteorologists to track extreme weather across the US and Central America.

shared extracted concept terms: advanc, sensor, system; shared product terms: advanc, sensor, system; same category: AI infrastructure; shared affiliation: Y Combinator

VergeSense

match 56

VergeSense is a Y Combinator-backed startup that develops an AI-powered sensing device for facility management. The sensor-as-a-system platform consists of sensing devices containing a series of different sensor hardware, including an image sensor, coupled with a cloud platform for pre-training machine learning models that run on the hardware, process data and report occupancy analysis back to VergeSense’s cloud.

shared extracted concept terms: sensor, system; shared product terms: sensor, system, train, back; same category: AI infrastructure; shared affiliation: Y Combinator

Allosense

match 54

Allosense makes advanced sensors and measurement systems. We specialize in logistics, test automation, and manufacturing.

shared extracted concept terms: advanc, sensor, system; shared product terms: advanc, sensor, system