Insights

Cybersecurity Expertise Millennium positions itself as a leading cybersecurity services provider with a large elite team and extensive experience in Red Team Operations, Defensive Cyber Operations, software engineering, and technical engineering. This suggests strong potential for expanding engagements in pen testing, red team exercises, threat hunting, and secure software development.

DoD and Federal Focus The company highlights its unmatched experience and largest contingency of contracted Red Team operators in the DoD, and serves DoD and federal civilian markets. This indicates opportunities for specialized security services, compliance support, and managed security programs tailored to government contracting requirements.

Integrated Tech Stack With tools spanning Microsoft Power Automate, GitLab CI, Google Cloud, VMware, and AD, Millennium demonstrates capabilities in automation, CI/CD, cloud security, and identity management. This suggests upsell potential for DevSecOps pipelines, cloud security assessments, and identity-centric security modernization.

Growth and Mobility Revenue is in the documented range of 250 to 500 million, and headcount is mid-size to large. While not a startup, there is potential to expand services through multi-year cybersecurity programs, managed services, and ongoing secure operations centers for large, complex clients.

Market Signals Recent news references and stock activity around Millennium Group International in related sectors imply heightened investor and market visibility. This creates openings for education-led outreach to procurement and CISO stakeholders seeking proven security capabilities and defensible ROI in both government and enterprise contexts.

Similar companies to Millennium

Millennium Tech Stack

Millennium uses 8 technology products and services including Microsoft Power Automate, GitLab CI, Sketch, and more. Explore Millennium's tech stack below.

Media & News

Millennium's Email Address Formats

Millennium uses at least 4 email formats:
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

What is Millennium's phone number?

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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?

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Millennium is a publicly traded company; the company's stock symbol is MGIH.

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

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Millennium's official website is millgroupinc.com and has social profiles on LinkedIn.

How much revenue does Millennium generate?

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As of August 2026, Millennium's annual revenue is estimated to be $250M - $500M.

What is Millennium's SIC code and NAICS code?

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Millennium's SIC code is 7389 - Business Services, Not Elsewhere Classified and NAICS code is 5415 - Computer Systems Design and Related Services.

How many employees does Millennium have currently?

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As of August 2026, Millennium has approximately 351 employees across 6 continents, including North America, Asia and Oceania. Key team members include Chief Solutions Architect / Red Team Operator: M. R., Vice President Service Operations: S. Q. and Plant Head: V. P. Explore Millennium's employee directory with LeadIQ.

What industry does Millennium belong to?

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Millennium operates in the IT Services and IT Consulting industry.

What technology does Millennium use?

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Millennium's tech stack includes Microsoft Power Automate, GitLab CI, Sketch, Mailchimp, SuccessFactors, Microsoft Active Directory, Google Cloud and VMware vCenter.

What is Millennium's email format?

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

When was Millennium founded?

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Millennium was founded in 2004.
Millennium logo

Millennium

IT Services and IT ConsultingVirginia, United States201-500 Employees

Millennium is an IT services and IT consulting company headquartered at 1400 Crystal Drive, Suite 400, Arlington, Virginia, United States. Since 2004 it has focused on cybersecurity and describes its workforce as more than 300 experts. The company provides Red Team Operations, Defensive Cyber Operations, Software Engineering, and Technical Engineering, and it states it maintains the largest contingent of contracted Red Team operators in the DoD. Its client base includes customers in the Department of Defense and federal civilian markets. Its technology portfolio includes CCSP, Symantec Endpoint Protection, Nmap, Debian, Visual Basic .NET, and Sass.

Section iconCompany Overview

Phone number
SIC Code
7389 - Business Services, Not Elsewhere Classified
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

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