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Overview
H3X Technologies designs and sells high-power density integrated motor drives that bundle a motor, inverter, and gearbox into one compact unit. Its HPDM-250 targets defense applications requiring maximum power per weight, delivering 12 kW per kilogram and scalable from 30 kW to 30 MW. The product relies on optimized electromagnetics, synergistic cooling, and fault-tolerant power electronics to achieve high efficiency and integration. The goal is to provide compact, efficient drive systems for defense platforms where high power and low weight matter, differentiating itself with extreme power density and integrated packaging.
About H3X Technologies
Industries
Robotics & Automation
Hardware
Industrial & Manufacturing
Defense
Company Size
51-200
Company Stage
Series A
Total Funding
$26.9M
Headquarters
Louisville, Colorado
Founded
2020
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Simplify's Take
What believers are saying
- H3X completed NASA Phase II and II-E contracts in 2025, proving execution.
- Its February 2026 diesel genset and April 2026 HPDG-30 coverage expand markets.
- The oversubscribed $20 million Series A brought Lockheed Martin Ventures and Hanwha support.
What critics are saying
- H3X still sells defense-adjacent prototypes; revenue remains dependent on small contracts.
- HPDM-500's first production batch ships in 26Q2; slips delay commercialization.
- A failed production ramp kills H3X before megawatt-class customers arrive.
What makes H3X Technologies unique
- H3X fused motor, inverter, and gearbox into HPDM-250, targeting 12 kW/kg density.
- By 2026, H3X stretched the platform from HPDG-30 to HPDM-500 megawatt-scale systems.
- NASA Phase II and Air Force TACFI validated aerospace-grade testing and mission relevance.
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Funding
Total Funding
$26.9M
Above
Industry Average
Funded Over
4 Rounds
Y CombinatorIndustry standards
Benefits
Health Insurance
Gym membership stipend
Ski/Snowboard Pass
Flexible hours
Flexible time off
401k program
Relocation package
PTO Policy
PTO
PTO Policy (80 hours)
Remote Work Options
Hybrid Work Options
Stock Options
Company Equity
Wellness Program
Mental Health Support
Conference Attendance Budget
Professional Development Budget
Continuing professional education benefit
Education allowance
Tuition Reimbursement
Professional Certification Support
Home Office Stipend
Phone/Internet Stipend
Adoption Assistance
Parental Leave
Family Planning Benefits
Fertility Treatment Support
Meal Benefits
Employee Discounts
Monthly company events
Performance Bonus
Profit Sharing
Employee Stock Purchase Plan
Relocation Assistance
Dental Insurance
Vision Insurance
Life Insurance
Disability Insurance
Health Savings Account/Flexible Spending Account
Growth & Insights and Company News
6 month growth
↑ 1%1 year growth
↑ 3%2 year growth
↑ 3%Early last year, H3X introduced the HPDM-30, a high-power density electric motor with a 3D printed synergistic cooling jacket.
Electric motor startup H3X on Tuesday announced it has raised $20 million through an oversubscribed Series A round led by Infinite Capital, with participation from Hanwha Asset Management, Cubit Capital, Origin Ventures, Industrious Ventures, Venn10 Capital, and follow-on investors that include Lockheed Martin Ventures, Metaplanet, Liquid 2 Ventures and TechNexus.
Many industries that rely on legacy energy sources are aiming to electrify or at least streamline their operations, but for countless use cases, the tech
Manufacturo is proud to announce a pivotal partnership with H3X Technologies, visionary manufacturers of high-power density integrated motor drives for sustainable aviation, marine, and defense.
H3X Technologies has filed a notice of an exempt offering of securities to raise $3,000,000.00 in New Debt Financing. H3X Technologies has filed a notice of an exempt offering of securities to raise $3,000,000.00 in New Debt Financing.According to filings with the U.S. Securities and Exchange Commission, H3X Technologies is raising $3,000,000.00 in new funding. Sources indicate that as part of senior management Chief Executive Officer, Jason Sylvestre played a key role in securing the recent investment and it will aid in aggressively expanding the company, as well as broaden and accelerate product development.About H3X TechnologiesH3X manufactures high performance integrated motor drives for electric aircraft. Our first product, the HPDM-250, is a 250kW integrated motor drive in a 15kg package. We are a team of multidisciplinary engineers brought together with the sole purpose of developing the most advanced electric aircraft propulsion systems in the world to enable sustainable aviation
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About H3X Technologies
Industries
Robotics & Automation
Hardware
Industrial & Manufacturing
Defense
Company Size
51-200
Company Stage
Series A
Total Funding
$26.9M
Headquarters
Louisville, Colorado
Founded
2020
H3X Technologies is Hiring for 10 Jobs on Simplify!
Find jobs on Simplify and start your career today