Ultrasonium

Manufacturing the metal parts the world runs on faster, cheaper, safer

Summer 2026Industrials / Industrials -> Manufacturing and RoboticsBoston, MA, USA4 employees

Hard Tech

Hardware

Manufacturing

Build your own investing agent

GPAgent keeps YC listings public and neutral. Fund-specific scoring, notes, and workflow state live in each customer workspace.

Alexander Urbanski

Co-Founder

Chris Carter

Founder

Hunter Brown

Founder

Jack Qiu

Founder

Status

Active

Stage

Early

Team Size

Regions

United States of America, America / Canada