Westmag Funding — Korthos

Westmag company profile

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.

Segment: Actuation

Country: United States

Founded: 2025

Website: https://www.westmag.com

Profile context

Motors and actuators are a critical supply-chain layer for drones, humanoids, quadrupeds, and industrial robots. Westmag is relevant because it is attempting to onshore high-volume production of these components. U.S.-based motor and actuator manufacturing for drones, humanoids, and robotics platforms.

Domestic actuation layer for drones and robots

Westmag designs and manufactures drone motors and robot actuators from Factory 01 in South San Francisco for U.S. autonomous systems.

Target environment: U.S. drone, humanoid, mobile robot, industrial robot, and defense autonomous-system manufacturing programs
Deployment model: Component supply and manufacturing partner for OEMs building drones, robots, and physically actuated systems
Customer context: Drone OEMs, robotics companies, defense primes, autonomous-system builders, industrial hardware manufacturers
Workflow context: Motor design, actuator manufacturing, component qualification, end-of-line validation, supply-chain control
Commercial maturity: Seed-backed company ramping production from Factory 01 in South San Francisco
Market position: Domestic component manufacturer focused on the motor and actuator layer beneath drones and robots
Adoption constraints: Production yield, component qualification, customer design integration, price-performance parity
Adjacent context: Adjacent to drone propulsion suppliers, humanoid actuator companies, motion-component manufacturers.
Source confidence: high

Latest events and funding

2026-06-02 - Funding - Westmag raises $11 million seed round for U.S. drone motor and robot actuator manufacturing - Andreessen Horowitz announced that it led Westmag's seed round to build American motor and actuator ma…

People

David Hansen - Co-Founder and Chief Executive Officer - Leads Westmag's strategy to build a domestic, vertically integrated manufacturing platform for drone motors and robot actuators.
Jordan Sanders - Co-Founder and Chief Operating Officer - Leads operational execution for Westmag's manufacturing ramp, supply-chain work, and production platform buildout.

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Westmag company profile

Profile context

Domestic actuation layer for drones and robots

Latest events and funding

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Westmag

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