United States · Funded startup

Who invested in AirMettle

One round we have observed, with the 2 investors named in it. Every figure came from a named source, and where the company reported a raise to the SEC itself, that is shown beside it.

Big Data & Analytics

Funding summaryUpdated 26 Oct 2026

$207Kraised across 1 round since 2024, from 1 source

Latest round
Grant, $207KJan 2024
Investors
2
See who backed them

The rounds

  1. Jan 2024
    Grant$207K

    Source recorded

Founders and team

From AirMettle's own website: 1 founder, 2 on the team.

Donpaul StephensFounder and CEO
  • Dan OrlowBoard Member
  • Katsumi KatoSoftware Engineer

Everyone who backed them

National Science FoundationGovernment1round
US Department of EnergyGovernment1round

Missing a round, or an investor who was in one? Tell us.

Quick answers about AirMettle

Who invested in AirMettle?

AirMettle's investors include National Science Foundation and US Department of Energy.

How much has AirMettle raised?

AirMettle has raised $207K across 1 round since 2024.

When did AirMettle last raise?

AirMettle's most recent round was a Grant of $207K in Jan 2024.

What was AirMettle's biggest round?

Its most recent round, $207K in Jan 2024, is also its largest on record.

Who backed AirMettle first?

AirMettle's first round on record, in Jan 2024, was backed by National Science Foundation and US Department of Energy.

What stage is AirMettle at?

AirMettle's latest named round is a Grant, in Jan 2024.

Where is AirMettle based?

AirMettle is based in the United States.

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In the same sector, and raised in the last eighteen months.

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