Petra
Robotics
San Francisco, California
No longer operating.
What it builds
Developed thermal-drilling robots that bore utility tunnels through hard rock.
Classification
CivilianThe described product and stated purpose are utility tunnels and underground infrastructure for communities; available sources do not identify a military offering. Civilian classification does not assert that Petra had no military contracts.
Based on the sources reviewed, not all possible uses.
Sources
- Petra | LinkedIn (opens in a new tab)
“Our undergrounding robot is the first practical and affordable solution able to bore utility tunnels through high grade hard rock,”
- Petra emerges from stealth with $30M raised for tunnel-boring robot, Swifty | TechCrunch (opens in a new tab)
“The robotic system utilizes machine vision, microtunneling through difficult materials with the use of thermal drilling, rather than making direct”