CITY LABS, INC.

CITY LABS, INC. is a hardware company in Miami, United States, founded in 2018. It has raised $13.6M across 10 rounds, most recently a $3.8M Grant in June 2025.

City Labs | The Tritium Nuclear Battery Company

Headquarters
Miami, Florida
Employees
1–10
Founded
2018
Business Model
B2B
Total Funding
$13.6M
Last Round
$3.8M GrantJun 2025
Rounds
10

Totals include recorded grants and other qualifying funding, not just equity. What counts toward funding.

Indexed holds 10 funding rounds and 2 investors for this company. The full record is or through the API.

About

City Labs develops and manufactures tritium-powered systems for space, defense, medical, and industrial applications requiring long-duration power, heat, and autonomous operation. Its specialized tritium infrastructure, in-house manufacturing, and regulatory experience support development of nuclear micropower technologies for deployment.

Summary

It lists 1–10 employees. It has raised $13.6M in total across 10 rounds, most recently a $3.8M Grant round in Jun 2025. Investors include AFWERX and Air Force Research Laboratory.

Tech & App Stack

6 technologies & apps tracked

Every product and vendor across these categories, with where each signal came from.

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Funding History

Data from Indexed.vcUpdated
GrantSBIR Phase II (USAF)Jun 2025
$3.8M

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Funding: Series A through Grant. Amounts, valuations, and investors where available.

Investors

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