Insights

Innovative Propulsion Phase Four specializes in cost-effective, reliable plasma propulsion systems that extend satellite lifespan and performance, making their solutions highly attractive to satellite operators seeking to optimize mission durability and efficiency.

Recent Asset Sale The company's recent sale of multimode propulsion assets to Quantum Space indicates a strategic shift or expansion opportunity; engaging with Quantum could open avenues for collaboration or sales of complementary technologies.

Growth in Satellite Market Targeting small satellites with turn-key propulsion solutions positions Phase Four well within the growing satellite launch and constellations segment, which offers expansion potential to companies expanding their satellite fleets.

Technology Leadership Phase Four's continuous development of advanced plasma thrusters shows commitment to innovation, appealing to satellite manufacturers and space agencies investing in next-generation propulsion technology.

Market Competition With revenue between 1M and 10M and competitors like Accion Systems and Blue Canyon Technologies, there is a robust market for space propulsion solutions, presenting opportunities for sales pitches emphasizing reliability, cost savings, and extended system lifespan.

Similar companies to Phase Four

Phase Four Tech Stack

Phase Four uses 8 technology products and services including Google Hosted Libraries, WordPress, MySQL, and more. Explore Phase Four's tech stack below.

Google Hosted Libraries
Content Delivery Network
WordPress
Content Management System
MySQL
Database
Altium
Dev Tools
iOS
Programming Languages
Greenhouse
Recruitment Marketing
LabVIEW
Visualisation Software
Apache
Web Servers

Media & News

Phase Four's Email Address Formats

Phase Four uses at least 1 format(s):

Phase Four Email Formats	Example	Percentage
First.Last@phasefour.io	John.Doe@phasefour.io	45%
First@phasefour.io	John@phasefour.io	9%
Middle@phasefour.io	Michael@phasefour.io	1%
First.Last@phasefour.io	John.Doe@phasefour.io	45%

Frequently Asked Questions

Where is Phase Four's headquarters located?

Phase Four's main headquarters is located at 129 Sierra St El Segundo, California 90245 US. The company has employees across 3 continents, including North AmericaAfricaEurope.

What is Phase Four's phone number?

You can contact Phase Four's main corporate office by phone at

+1-310-648-****

. For more prospecting data, LeadIQ has access to up-to-date and accurate contact information within our platform. Find, capture, and sync contact data to your CRM and sales tools in one click.

What is Phase Four's official website and social media links?

Phase Four's official website is phasefour.io and has social profiles on LinkedIn.

How much revenue does Phase Four generate?

As of October 2025, Phase Four's annual revenue is estimated to be $1.3M.

What is Phase Four's SIC code NAICS code?

Phase Four's SIC code is 3761 - Guided Missiles and Space Vehicles NAICS code is 336414 - Guided Missile and Space Vehicle Manufacturing.

How many employees does Phase Four have currently?

As of October 2025, Phase Four has approximately 25 employees across 3 continents, including North AmericaAfricaEurope. Key team members include Chief Information Officer: C. E.Chief Technology Officer: U. S.Head Of Information Technology: I. K.. Explore Phase Four's employee directory with LeadIQ.

What industry does Phase Four belong to?

Phase Four operates in the Defense and Space Manufacturing industry.

What technology does Phase Four use?

Phase Four's tech stack includes Google Hosted LibrariesWordPressMySQLAltiumiOSGreenhouseLabVIEWApache.

What is Phase Four's email format?

Phase Four's email format typically follows the pattern of First.Last@phasefour.io. Find more Phase Four email formats with LeadIQ.

When was Phase Four founded?

Phase Four was founded in 2015.

Phase Four

Defense and Space ManufacturingCalifornia, United States11-50 Employees

Based in Hawthorne, California, Phase Four is enabling the exponential growth of satellite constellations by solving the satellite’s costliest problem, the propulsion system. By eliminating the most common failure points in legacy technologies – electrodes, high-voltage electronics, and complex fabrication – Phase Four has built a system that offers reliable high performance with baked-in manufacturability. Our systems provide Hall Effect Thruster performance at a fraction of the price and delivery timeline, with nearly double the lifespan. 

Check out our open positions at at www.phasefour.io/careers if you have interest in joining our mission.