SPACE INDEX COMPANIES INSIGHTS SECTORS PRODUCTS NEWS BLOG ANSWERS RESEARCH ABOUT FOR COMPANIES BUILD / 2026.06.06

Phase Four

CLOSED 1-10 EMPLOYEES

Developed electrodeless radio-frequency and multi-mode electric propulsion systems for satellites

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NEWS

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OVERVIEW

Founded 2015

HQ Hawthorne, California

Type Private Company

LEADERSHIP

Steve Kiser

CEO

M. Umair Siddiqui

President & CTO

Simon Halpern

Founder

CLASSIFICATION

Sectors

Space Propulsion primary Satellite Components & Subsystems

Technology

SmallSat Electric Propulsion

Orbit & Destination

Application

Commercial Government-Civil Government-Defense Space-to-Space

Thematic

DATA QUALITY

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Last Verified Jun 3, 2026