Insights

Innovative Propulsion Technology Phase Four specializes in high-performance, reliable electric propulsion systems for satellites, offering a cost-effective and durable alternative to legacy systems. This positions the company as a strategic partner for satellite operators seeking to enhance mission lifespan and operational reliability.

Strategic Asset Sale The recent sale of multimode propulsion assets to Quantum Space indicates potential for collaboration or acquisition opportunities in satellite propulsion technologies, appealing to companies looking to expand or diversify their propulsion capabilities.

Growth in Space Sector With multiple successful launches of innovative plasma thrusters and continuous product advancements, Phase Four demonstrates increasing market momentum that can be leveraged by suppliers providing complementary components, materials, or integration services.

Moderate Revenue Scale Operating with an estimated revenue between 1 and 10 million dollars, Phase Four presents opportunities for strategic partnerships to support scaling manufacturing, expanding product lines, or accessing new customer segments within the small satellite and space industry.

Emerging Market Leader As a relatively small but pioneering company in satellite propulsion, partnering with Phase Four could enable access to cutting-edge propulsion solutions, fostering innovation and competitive differentiation for larger satellite manufacturing firms or service providers.

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

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%

Phase Four Email Formats

Example

Percentage

First.Last@phasefour.io

John.Doe@phasefour.io

45%

First@phasefour.io

John@phasefour.io

Middle@phasefour.io

Michael@phasefour.io

First.Last@phasefour.io

John.Doe@phasefour.io

45%

Frequently Asked Questions

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 Crunchbase.

How much revenue does Phase Four generate?

As of January 2026, 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 January 2026, Phase Four has approximately 25 employees across 2 continents, including North AmericaAfrica. Key team members include Chief Information Officer: C. E.Chief Technology Officer: U. S.President: B. C.. 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

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

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

Q: How many employees does Phase Four have currently?

Phase Four has approximately 25 employees.

Q: What technology does Phase Four use?

Phase Four's tech stack includes Microsoft Excel, Microsoft, Apache, Deltek Costpoint, JSON-LD.

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.

Insights

Similar companies to Phase Four

Capella Space

Astrobotic

Advanced Space

Redwire

Braxton Technologies

Loft Orbital

Cardinal Peak

Spire Global

Blue Canyon Technologies

Accion Systems

Phase Four Tech Stack

Media & News

Phase Four, Inc. sells assets to Quantum Space, LLC.

Phase Four, Inc. launched Maxwell Block 3 turn-key plasma propulsion thruster on Aug 7th '23.

Phase Four, Inc. launched next generation of Maxwell radio-frequency plasma propulsion system on Dec 1st '22.

Phase Four, Inc. launched Maxwell on Jun 27th '19.

Phase Four's Email Address Formats