Westmag (Western Magnetics Company)
Component
American BLDC drone motors and robot actuators (NDAA-compliant) for UAS and robotics OEMs.
Westmag designs and manufactures electric motors and actuators for drones and robots, positioning itself as building "the great American motor company." Its focus is BLDC motors for Group 1-3 UAS platforms and actuators for robots — the components where U.S. hardware makers otherwise depend on Chinese supply chains. The South San Francisco company emphasizes NDAA-compliance and domestically controlled manufacturing. Westmag emerged from stealth with an $11M seed round led by Andreessen Horowitz, with additional backing from Founders Fund, Lux Capital, Menlo Ventures, and NFDG, and serves U.S. defense-drone OEMs and robotics makers.
Research mapping
Physical AI / Actuation & Motion Control (L8) / Component
Evidence boundary
Original analysis and independent corroboration remain under development. Commercial scale and durable technical advantage remain under review.
What makes it defensible
Domestic, NDAA-compliant BLDC motors and actuators for drones and robots — replacing Chinese-dominated motor supply in the UAS and robotics stack.
Position in the stack: Component supplier to drone and robot OEMs; provides the motors/actuators that U.S. platforms need from a trusted, domestic source.
Who buys it
Named customers: US defense drone OEMs (undisclosed), robotics OEMs
Founding team
David Hansen — Co-Founder & CEO — Co-founded Westmag to build a domestic American motor company
Jordan Sanders — Co-Founder & COO — Co-founded Westmag; previously experienced operator (Furman University)
SourceFinancing detail
- Last round
- Seed (2025, disclosed 2026)
Investors: Andreessen Horowitz (a16z), Founders Fund, Lux Capital, NFDG, Menlo Ventures
Mapped funds and investors
Direct relationships supported by published evidence.
Reported holdings as-of
No sourced relationships mapped yet.
Disclosed investment history
No sourced relationships mapped yet.
Showing up to four relationships in each group. ETF weights describe the fund’s portfolio, not ownership of this company. Private investment history does not establish current ownership.
Evidence & media
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Westmag Raises $11M To Build American Drone Motors, Betting Scale Beats China On Price
What this source supports: $11M seed led by Andreessen Horowitz with Founders Fund, Lux Capital, NFDG and Menlo Ventures; emerged from stealth; ramping production at "Factory 01" in South San Francisco; company says it holds committed orders for hundreds of thousands of units.
What it does not establish: Does not name customers, order values, revenue, yield, or unit economics; the order-book figure is company-stated.
Source -
Investing in Westmag
What this source supports: Lead investor's public thesis: US-onshored motors/actuators are the supply-chain single point of failure for drones and humanoids; a16z led the $11M seed.
What it does not establish: Investor marketing; does not disclose terms, valuation, or customer validation.
Source