Insights

Cybersecurity Leadership Millennium Corporation is a well-established cybersecurity provider with over 400 experts supporting critical defense and civilian agencies, offering opportunities to expand cybersecurity solutions and threat intelligence services.

Recent Acquisition Growth The recent acquisition by Markon Inc. indicates a strategic expansion into integrated defense and intelligence solutions, presenting a chance to offer complementary technologies or consulting services that align with their enhanced mission capabilities.

Focus on Innovation Investment in machine learning research and leadership hires suggest Millennium values innovation, opening opportunities for advanced AI, machine learning tools, and data analytics solutions to further their technological edge.

Government Contract Expertise Celebrating 20 years in government contracting with proven performance awards highlights potential for providing specialized federal solutions, compliance consulting, or contract bid enhancement services to strengthen government engagements.

Growth and Expansion With revenue between 100M-250M and a history of rapid growth recognized through multiple awards, Millennium offers a platform for scalable solutions, including enterprise cybersecurity, federal IT modernization, and high-end software engineering services.

Millennium Tech Stack

Millennium uses 8 technology products and services including Kubernetes, MobileIron, JBoss, and more. Explore Millennium's tech stack below.

  • Kubernetes
    Containerization
  • MobileIron
    Enterprise Mobility Management
  • JBoss
    Middleware Software
  • Debian
    Operating Systems
  • WP Engine
    Platform As A Service
  • C++
    Programming Languages
  • HTML
    Programming Languages
  • NIST Special Publications
    Risk And Compliance

Media & News

Millennium's Email Address Formats

Millennium uses at least 1 format(s):
Millennium Email FormatsExamplePercentage
First.Last@millgroupinc.comJohn.Doe@millgroupinc.com
94%
FLast@millgroupinc.comJDoe@millgroupinc.com
4%
First@millgroupinc.comJohn@millgroupinc.com
1%
Last@millgroupinc.comDoe@millgroupinc.com
1%

Frequently Asked Questions

Where is Millennium's headquarters located?

Minus sign iconPlus sign icon
Millennium's main headquarters is located at 1400 Crystal Drive Suite 400 Arlington, Virginia United States. The company has employees across 3 continents, including North AmericaAsiaOceania.

What is Millennium's phone number?

Minus sign iconPlus sign icon
You can contact Millennium's main corporate office by phone at . 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 Millennium's stock symbol?

Minus sign iconPlus sign icon
Millennium is a publicly traded company; the company's stock symbol is MGIH.

What is Millennium's official website and social media links?

Minus sign iconPlus sign icon
Millennium's official website is millgroupinc.com and has social profiles on LinkedIn.

What is Millennium's NAICS code?

Minus sign iconPlus sign icon
Millennium's NAICS code is 5415 - Computer Systems Design and Related Services.

How many employees does Millennium have currently?

Minus sign iconPlus sign icon
As of May 2026, Millennium has approximately 358 employees across 3 continents, including North AmericaAsiaOceania. Key team members include Chief Executive Officer: K. J.Chief Information Security Officer: M. H.Chief Financial Officer: D. K. -. W.. Explore Millennium's employee directory with LeadIQ.

What industry does Millennium belong to?

Minus sign iconPlus sign icon
Millennium operates in the IT Services and IT Consulting industry.

What technology does Millennium use?

Minus sign iconPlus sign icon
Millennium's tech stack includes KubernetesMobileIronJBossDebianWP EngineC++HTMLNIST Special Publications.

What is Millennium's email format?

Minus sign iconPlus sign icon
Millennium's email format typically follows the pattern of First.Last@millgroupinc.com. Find more Millennium email formats with LeadIQ.

When was Millennium founded?

Minus sign iconPlus sign icon
Millennium was founded in 2004.

Millennium

IT Services and IT ConsultingVirginia, United States201-500 Employees

Since 2004, Millennium Corporation has been operating on the leading edge of cybersecurity. Our elite team of more than 300 experts has an unparalleled record of performance supporting Red Team Operations, Defensive Cyber Operations, Software Engineering, and Technical Engineering. With the largest contingent of contracted Red Team operators in the DoD, we provide an unmatched level of threat intelligence and battle-tested experience for customers in both the DoD and federal civilian markets.

Section iconCompany Overview

Headquarters
1400 Crystal Drive Suite 400 Arlington, Virginia United States
Phone number
Stock Symbol
MGIH
NAICS Code
5415 - Computer Systems Design and Related Services
Founded
2004
Employees
201-500

Section iconFunding & Financials

  • $250M$500M

    Millennium's revenue is estimated to be in the range of $250M$500M

Section iconFunding & Financials

  • $250M$500M

    Millennium's revenue is estimated to be in the range of $250M$500M

Ready to create more pipeline?

Get a demo and discover why thousands of SDR and Sales teams trust
LeadIQ to help them build pipeline confidently.

© LeadIQ, Inc. All rights reserved.