Insights

Technology Integration DEI's expertise in a comprehensive tech stack including Microsoft Lync, Hitachi Vantara, PostgreSQL, IBM, and VMware positions them well to support clients seeking advanced IT modernization, infrastructure upgrades, and integration of emerging technologies.

Public Sector Focus With headquarters in Vienna, VA, and a primary client base of federal government organizations, DEI offers tailored IT consultancy and engineering services that can be expanded to other government agencies or aligned with public sector digital transformation initiatives.

Recent Market Shifts The recent withdrawal of DEI-related organizations from major funding lists and the corporate trend of de-prioritizing diversity, equity, and inclusion programs indicate a potential shift in client or partner priorities, offering opportunities to provide innovative solutions that align with evolving organizational values.

Financial Opportunity With an annual revenue estimated between $25 million and $50 million, DEI presents a mid-sized platform to target for enterprise IT projects, modernization initiatives, and strategic consulting engagements within the federal sector and beyond.

Competitive Edge Positioned alongside major firms like Cognizant, TCS, and IBM, DEI’s niche in reliable systems modernization and emerging tech adoption can serve as a compelling value proposition to clients seeking specialized, proven innovation-driven IT solutions.

Defense Engineering Inc. Tech Stack

Defense Engineering Inc. uses 8 technology products and services including Nessus, Open Graph, Microsoft Outlook, and more. Explore Defense Engineering Inc.'s tech stack below.

  • Nessus
    Application Security Testing
  • Open Graph
    Content Management System
  • Microsoft Outlook
    Email
  • Google Fonts API
    Font Scripts
  • Atlassian Jira
    Issue Trackers
  • Microsoft
    Miscellaneous
  • ArcGIS
    Visualisation Software
  • Nginx
    Web Servers

Defense Engineering Inc.'s Email Address Formats

Defense Engineering Inc. uses at least 1 format(s):
Defense Engineering Inc. Email FormatsExamplePercentage
FLast@dei.netJDoe@dei.net
85%
First.Last@dei.netJohn.Doe@dei.net
15%

Frequently Asked Questions

Where is Defense Engineering Inc.'s headquarters located?

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Defense Engineering Inc.'s main headquarters is located at 10432 Balls Ford Road #300 Manassas, Virginia United States. The company has employees across 3 continents, including North AmericaEuropeSouth America.

What is Defense Engineering Inc.'s stock symbol?

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Defense Engineering Inc. is a publicly traded company; the company's stock symbol is DEI.

What is Defense Engineering Inc.'s official website and social media links?

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Defense Engineering Inc.'s official website is dei.net and has social profiles on LinkedIn.

What is Defense Engineering Inc.'s NAICS code?

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Defense Engineering Inc.'s NAICS code is 5415 - Computer Systems Design and Related Services.

How many employees does Defense Engineering Inc. have currently?

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As of April 2026, Defense Engineering Inc. has approximately 51 employees across 3 continents, including North AmericaEuropeSouth America. Key team members include Chief Storage Architect: D. D.Vice President / Partner: R. S.Owner: D. T.. Explore Defense Engineering Inc.'s employee directory with LeadIQ.

What industry does Defense Engineering Inc. belong to?

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Defense Engineering Inc. operates in the IT Services and IT Consulting industry.

What technology does Defense Engineering Inc. use?

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Defense Engineering Inc.'s tech stack includes NessusOpen GraphMicrosoft OutlookGoogle Fonts APIAtlassian JiraMicrosoftArcGISNginx.

What is Defense Engineering Inc.'s email format?

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Defense Engineering Inc.'s email format typically follows the pattern of FLast@dei.net. Find more Defense Engineering Inc. email formats with LeadIQ.

When was Defense Engineering Inc. founded?

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Defense Engineering Inc. was founded in 2005.

Defense Engineering Inc.

IT Services and IT ConsultingVirginia, United States51-200 Employees

For over two decades, Defense Engineering Inc. (DEi) has delivered innovative enterprise IT engineering and mission-focused technology solutions to the Federal Government. DEI specializes in modernizing complex IT architectures, enabling agencies to securely transform their networks, infrastructure, and cloud environments to meet evolving mission requirements.

Our team of highly skilled engineers, architects, and program professionals supports executive-level Department of Defense organizations with expert engineering, strategic consulting, precise cost analysis, and dependable service delivery. By combining deep technical expertise with a mission-first mindset, DEi helps government customers deploy resilient, secure, and scalable technology solutions that strengthen operational readiness and enterprise performance.

Headquartered in Manassas, Virginia, DEi proudly supports a wide range of Federal and Defense organizations, delivering trusted engineering services that drive modernization across enterprise networks, cloud platforms, and mission systems.

Section iconCompany Overview

Headquarters
10432 Balls Ford Road #300 Manassas, Virginia United States
Website
dei.net
Stock Symbol
DEI
NAICS Code
5415 - Computer Systems Design and Related Services
Founded
2005
Employees
51-200

Section iconFunding & Financials

  • $25M$50M

    Defense Engineering Inc.'s revenue is estimated to be in the range of $25M$50M

Section iconFunding & Financials

  • $25M$50M

    Defense Engineering Inc.'s revenue is estimated to be in the range of $25M$50M

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