Duranium
Non-ferrous Metals · Dietary Supplements
Overview
The Raw Material of Progress. Duranium is rebuilding America's ability to make critical metals.
Funding and backers
Backers
1
Y Combinator
Momentum
0/100
no fresh signals
Last sign of life
1 mo ago
a posting or a news item
The story so fareach stage dated by its source: the company's releases, the press, registers, filings
Jun 2025
Went through Y Combinator
Tractionpublic signals, read monthly
Web presence
top 36%
of 133.2M domains by links, Common Crawl
Backed byfrom the funds' portfolios and accelerator catalogs
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Connections
List
Graph
Found in company registers, site code, DNS and hiring. Each connection shows how sure we are and the evidence, with its source and date.
Shared investors
Y CombinatorVia a fund
6310 portfolio companies
Click a company to open it. Dashed lines are likely connections. The second step of the network is part of the Pro plan.
Owner
Same company
Same group
Likely
Shared investors
News
Introducing Duranium: a more reliable postmarketOS
Aiming for a 10 year life-cycle for smartphones
Read more
Report
Introducing Duranium: a more reliable postmarketOS
Aiming for a 10 year life-cycle for smartphones
Read more
Report
Offices
Where the company hires and what each office is for
Cities
1
Hiring now
0
Countries
1
San Francisco
United States
HQ