Westmag raises $11 million seed round for U.S. drone motor and robot actuator manufacturing

Jun 2, 2026 · Funding · Westmag · Actuation

a16z led Westmag's $11M seed round to build American motor and actuator manufacturing for drones, humanoids, and robots from South San Francisco.

Westmag company media
Company media · Westmag
  • Andreessen Horowitz announced that it led Westmag's seed round to build American motor and actuator manufacturing for drones, humanoids, and industrial robots.
  • Westmag designs and manufactures drone motors and robot actuators from Factory 01 in South San Francisco, with a domestic and allied supply chain.
  • The company is scaling qualified motors for defense customers while serving robotics companies with actuators.

Westmag designs and manufactures drone motors and robot actuators in the United States. The company is building a vertically integrated motor and actuator manufacturing platform in South San Francisco, targeting Group 1-3 UAS, humanoids, mobile robots, and other autonomous systems.