When was Millennium Space Systems founded?

Millennium Space Systems was founded in 2001.

Where is Millennium Space Systems located?

Millennium Space Systems is headquartered in El Segundo, United States. It is registered at El Segundo, California.

Who is the current CEO of Millennium Space Systems?

Stan Dubyn of Millennium Space Systems. They have also founded 1 company.

How many employees does Millennium Space Systems have?

As of Apr 30, 2026, the latest employee count at Millennium Space Systems is 904.

Is Millennium Space Systems a funded company?

Millennium Space Systems is a funded company, having raised a total of $***** in its 1st and only funding round.

Where does Millennium Space Systems rank among its competitors?

Millennium Space Systems ranks 37th amongst 176 active competitors, of which 60 are funded. It stands 11th in terms of total funding among its competitors. The most recent competitor to raise funding was Skyroot, which secured $60M in May, 2026.

Who are the top competitors of Millennium Space Systems?

Millennium Space Systems' top competitors include SpaceX, Skyroot and Firefly Aerospace. Among them, Skyroot secured the most recent funding round in May, 2026.

Millennium Space Systems - 2026 Company Profile, Team & Competitors

Millennium Space Systems is an acquired company based in El Segundo (United States), founded in 2001 by Stan Dubyn. It operates as a Manufacturer of launching vehicles for small payload-based satellites. The company has 176 active competitors, including 60 funded and 10 that have exited. Its top competitors include companies like SpaceX, Skyroot and Firefly Aerospace.

Company Details

Manufacturer of launching vehicles for small payload-based satellites. It develops launching vehicles that carry geostationary equatorial orbit satellites comprising power, computing, navigation, and communication systems. It also offers software for data collection, control, and management.

Website: www.millennium-space.com/
Email ID: *****@millennium-space.com
Phone Number: +1 **********
Registered Address: El Segundo, California

Key Metrics

Founded Year

2001

Location

El Segundo, United States

Stage

Acquired

Ranked

37^th among 176 active competitors

Employee Count

904 as on Apr 30, 2026

Similar Companies

Skyroot & 118 more

Exit Details

Acquired by Boeing (Aug 16, 2018)

View Millennium Space Systems' full profile

Millennium Space Systems is associated with 1 legal entity given below:

Legal Entity Name	Date of Incorporation	Revenue	Latest Employee Count	Documents
MILLENNIUM SPACE SYSTEMS, INC. CIN: 912166281 , United States, Active	Dec 31, 1999	-	984 (As on Dec 31, 2024)	-

Millennium Space Systems got acquired by Boeing on Aug 16, 2018.

Click here to take a look at Millennium Space Systems's acquisition in detail

Millennium Space Systems has not raised any funding rounds yet.

The founders of Millennium Space Systems is Stan Dubyn. Stan Dubyn is the CEO of Millennium Space Systems.

Here are the details of Millennium Space Systems' key team members:

Stan Dubyn: Founder & CEO of Millennium Space Systems.

View details of Millennium Space Systems's Founder profiles and Board Members

Millennium Space Systems' employee count trend

Millennium Space Systems has 904 employees as of Apr 26. Here is Millennium Space Systems's employee count trend over the years:

Employee count trend for Millennium Space Systems

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Top competitors of Millennium Space Systems include SpaceX, Skyroot and Firefly Aerospace. Here is the list of Top 10 competitors of Millennium Space Systems, ranked by Tracxn score:

Rank	Company Details	Short Description	Total Funding	Investors	Tracxn Score
1st	SpaceX 2002, Hawthorne (United States), Series J	Provider of reusable space launch vehicles for large payloads	$11.9B	Fidelity Investments, Baillie Gifford & 243 others	78/100
2nd	Skyroot 2018, Hyderabad (India), Series C	Developer of on-demand launch vehicles for small satellite deployment services	$160M	GIC, Temasek & 31 others	74/100
3rd	Firefly Aerospace 2014, Cedar Park (United States), Public	Provider of small and medium satellite launch vehicles, lunar landers, and orbital vehicles	$589M	RPM Ventures, AE Industrial Partners & 16 others	70/100
4th	AgniKul 2017, Chennai (India), Series C	Provider of customized orbital launch vehicles and private space missions	$75.5M	HDFC Bank, Celesta Capital & 103 others	69/100
5th	Rocket Lab 2006, Long Beach (United States), Public	Provider of launch services, spacecraft design, manufacturing, satellite components, and software	$288M	Khosla Ventures, Future Fund & 17 others	65/100
6th	Relativity Space 2015, Inglewood (United States), Series E	Provider of AI-powered 3D printed launch vehicles for small payloads	$1.34B	Fidelity Investments, Bond Capital & 76 others	65/100
7th	Stoke 2019, Kent (United States), Series D	Manufacturer of reusable launch vehicles	$1.34B	Breakthrough Energy, MaC Venture Capital ... & 38 others	65/100
8th	Isar Aerospace Technologies 2018, Munich (Germany), Series D	Manufacturer of launch vehicles for small payloads	$594M	Lombard Odier, 10x Group & 33 others	64/100
9th	Orbex 2015, London (United Kingdom), Series D	Developer of launch system for small satellites	$158M	HTGF, BGF & 31 others	64/100
10th	The Exploration 2021, Planegg (Germany), Series B	Developer of reusable space vehicles for cargo transport to space stations	$210M	Balderton Capital, Red River West & 24 others	63/100
37th	Millennium Space Systems 2001, El Segundo (United States), Acquired	Manufacturer of launching vehicles for small payload-based satellites	-	-	49/100

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Millennium Space Systems has made no investments or acquisitions yet.

Media has covered Millennium Space Systems for a total of 6 events in the last 1 year, 5 of them have been about company updates and 1 about partnerships.