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
- Website
- citylabs.net
- 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.
Create a free account with 25 free credits every month, no card needed, to unlock the full tech & app stack, funding history, and valuations.
Funding History
Jun 2025
Sign up to see all 10 events
Funding: Series A through Grant. Amounts, valuations, and investors where available.
Investors
Similar Companies

Develops all-electric eVTOL aircraft and intends to operate urban air taxi services, serving comm...
Seagate Technology is a global data storage hardware company designing hard disk drives, SSDs, an...

Li Auto designs and sells premium smart electric vehicles, including extended-range and battery-e...
Hadrian builds AI-powered autonomous factories that manufacture precision components and complete...
Your company? Embed this profile
Add the live badge to your site — it stays current as your funding data updates.
<a href="https://indexed.vc/companies/city-labs-inc"><img src="https://indexed.vc/api/badge/company/city-labs-inc" alt="CITY LABS, INC. on Indexed.vc" width="260" height="76" /></a>