H3X Technologies · Apr 2026
Explains the HPDG-30 hybrid powertrain for UAV integrations and the engineering behind the 30 kW hybrid system.
The lightest electric aircraft motors in the world.
Company research
Public company, workplace, funding, and market signals
Updated Aug 16, 2026
Overview
H3X Technologies is an advanced electric motor manufacturing company focused on high-power-density, integrated electric propulsion systems for sustainable aviation, marine, industrial, and defense applications. Its primary product family is the HPDM line of integrated motor drives / electric motors.
Primary product
HPDM family of integrated motor drives / high-power-density electric motors
Founded
2020
Headquarters
Louisville, Colorado, United States
Team size
11-50
Industry
Aviation and Aerospace Component Manufacturing
Sub-industry
Electric motor manufacturing / electric propulsion systems
Offices
Louisville, Colorado, United States
Business model
hardware manufacturing
B2B sales
custom/contracted aerospace and defense hardware
engineering/product development
Funding
Stage
Series A
Total raised
$27.8M
Latest round
Series A · Aug 2024
Latest amount
$20.3M
Aug 2024 · Infinite Capital
Seed / early-stage (exact label not publicly confirmed in primary sources)
Lockheed Martin Ventures (strategic investment)
People & investors
Leadership
Jason Sylvestre
Co-founder and CEO
Max Liben
Co-Founder and CTO
Eric Maciolek
President & Co-Founder
Christopher Palazzolo
Head of Operations
Adam Freedman
Director of Talent
Work & culture
Primary-source evidence suggests a hardware-heavy, engineering-led culture centered on rapid product commercialization, deep technical hiring, and aerospace/defense execution. Publicly available benefits details were not found.
Compensation
No public compensation data was found on primary sources. Job postings were visible, but specific salary ranges were not surfaced in the available evidence.
Product & market
Pricing
Quoted B2B hardware sales and contract-based engineering/manufacturing engagements; public pricing was not found.
Differentiators
- —Very high power density motors and integrated drives
- —Claims of being around 3x lighter than competitors
- —Targets aviation, marine, industrial, and defense use cases
- —Commercialized multiple product generations quickly
- —Uses additive manufacturing in key components
Technology
3D printing
electric motor design
power electronics
embedded/integrated drives
manufacturing engineering
Customers
NASA
U.S. Air Force
aerospace customers
defense customers
marine customers
heavy industry customers
Competitors
YASA
Magnax
EMRAX
AEC / aviation electric motor manufacturers
other high-power-density electric motor and electric propulsion startups
Scale & contact
Estimated revenue
~$5M-$10M annual revenue (estimate based on secondary reporting that revenue was 'in the millions' in 2023 and was on track to 5x in 2024; Exa also surfaced an estimated annual revenue of ~$7.6M)
Estimated monthly visits
7.9K
Traffic estimate as of Jun 2026
Latest news
H3X Technologies · Feb 2026
Introduces a modular 2MW genset concept built around HPDM-500 generators and a custom gearbox for marine, shipbuilding, and industrial applications.
H3X Technologies · Jan 2026
Year-end recap highlighting scale-up progress, 57 employees, expanded product lineup, new customer contracts, and completion of NASA and Air Force work.
H3X Technologies · Apr 2025
Announces completion of NASA-supported Phase II and Phase II-E programs that validated HPDM-30 and advanced HPDM-140 development.
BizWest · Aug 2024
Confirms the Series A and states the company had more than $20.3M in investment, with contracts in aerospace, defense, marine, and heavy industry.
Jobs and careers at H3X Technologies
10 jobs at H3X Technologies
Senior Procurement Specialist
On-site
Manufacturing
Louisville, Colorado; Louisville, Colorado, United States
3w ago
On-site
Full-time
Embedded Controls Intern (Spring)
On-site
Engineering
Louisville, Colorado; Louisville, Colorado, United States
4w ago
On-site
Full-time
Power Electronics Engineering Intern (Spring)
On-site
Engineering
Louisville, Colorado; Louisville, Colorado, United States
1mo ago
On-site
Full-time
Electromagnetics Engineering Intern (Spring)
On-site
Engineering
Louisville, Colorado; Louisville, Colorado, United States
1mo ago
On-site
Full-time
Test Engineering Intern (Spring)
On-site
Engineering
Louisville, Colorado; Louisville, Colorado, United States
1mo ago
On-site
Full-time
Advanced Manufacturing Engineering Intern (Spring)
On-site
Manufacturing Engineering
Louisville, Colorado; Louisville, Colorado, United States
1mo ago
On-site
Full-time
Mechanical Design Engineer Intern (Spring)
On-site
Engineering
Louisville, Colorado; Louisville, Colorado, United States
1mo ago
On-site
Full-time
Electronics Technician
On-site
Manufacturing Engineering
Louisville, Colorado; Louisville, Colorado, United States
1mo ago
On-site
Full-time
Mechanical Engineer - Advanced Manufacturing
On-site
Manufacturing Engineering
Louisville, Colorado
1mo ago
On-site
Full-time
Assembly Technician
On-site
Manufacturing
Louisville, Colorado
6mo ago
On-site
Full-time