Top accelerator startups

Startups14,448Programs29

14,448 startups · 29 programs

Maingen

Active · Simulating Agents Running Industrial Companies

WebsiteYC profile

Why it ranks

How the rank works
7signal of 100 · rising 7
  • went through YCProgram · this site+4
  • team of 2Team size · YC's directory+2.5

A sum of public facts, not a judgement and not investment advice.

Competitors

OtherHelion EnergyShared: power plant, energyYC S14SeattleStartup →AIAtmetoShared: energy, frontier, powerYC W23Los AngelesStartup →AIHubShared: frontier labs, big dataYC X26San FranciscoStartup →OtherPublicOkloShared: power plant, energyYC S14San FranciscoStartup →AIFaradayShared: agent running, industrialYC F26San FranciscoStartup →
Companies closest to Maingen
Company
Helion EnergyShared: power plant, energyYC S14ActiveOther
AtmetoShared: energy, frontier, powerYC W23ActiveAI
HubShared: frontier labs, big dataYC X26ActiveAI, Data, Devtools
OkloShared: power plant, energyYC S14PublicOther
FaradayShared: agent running, industrialYC F26ActiveAI

Adjacent

OtherSampShared: industrial operationEF 2020ParisStartup →AIEndstackShared: agent runningYC F24Los AngelesStartup →OtherIndustrial DynamicsShared: simulating, industrialAlchemist Class 40RenoStartup →OtherPowernautShared: power plantSeedcamp 2024Startup →AIthroxyShared: agent runningYC X25LondonStartup →
Companies next to Maingen
Company
SampShared: industrial operationEF 2020Not statedOther
EndstackShared: agent runningYC F24ActiveAI, Devtools
Industrial DynamicsShared: simulating, industrialAlchemist Class 40Not statedOther
PowernautShared: power plantSeedcamp 2024Not statedOther
throxyShared: agent runningYC X25ActiveAI

Also from S26 in AI

All of S26
AIAtliaThe AI-native property management company for short-term rentalsYC S26San FranciscoStartup →AIEdviroAI That Operates Energy InfrastructureYC S26San FranciscoStartup →AILibra RoboticsThe robot workforce for infrastructure of the AI eraYC S26San FranciscoStartup →AIMarengoAI-Native Engineering Firm designing Data CentersYC S26San FranciscoStartup →AITorusSuperintelligence for InfrastructureYC S26San FranciscoStartup →AI6thSenseNervous System for Physical AIYC S26San FranciscoStartup →
Company
AtliaThe AI-native property management company for short-term rentalsteam of 2ActiveAI, Data
EdviroAI That Operates Energy Infrastructureteam of 2hiringActiveAI, Devtools
Libra RoboticsThe robot workforce for infrastructure of the AI erateam of 2ActiveAI
MarengoAI-Native Engineering Firm designing Data Centersteam of 2ActiveAI
TorusSuperintelligence for Infrastructureteam of 8hiringActiveAI
6thSenseNervous System for Physical AIteam of 4ActiveAI

Founders

  • Phillip YanFounder/CEO
  • David YangFounder/CTO

About Maingen

Maingen builds simulations for industrial operations ($5 trillion slice of the US economy) so frontier labs can train models that actually run power plants, factories, and datacenters.

YC batch
S26 · Summer 2026
Status, per YC
Active
Category
AI, Data
Team size
2
Location
San Francisco, CA, USA
Founded
2026
Checked
6h ago

YC tags: B2B, Energy, Big Data, AI

Changes seen

TagsOct 19, 2026

No longer tagged Artificial Intelligence.

Source ↗

Maingen in S26: 229 companies, 88% AI

LinkedIn

Maingen: questions

Which YC batch was Maingen in?

Maingen was in Y Combinator's Summer 2026 batch (S26).

Is Maingen still active?

Y Combinator lists Maingen as active.

Who founded Maingen?

Maingen's founders, as listed on its YC page: Phillip Yan (Founder/CEO), David Yang (Founder/CTO).

Where is Maingen based?

Maingen lists San Francisco, CA, USA as its location on YC's directory.