Insights

Security Training Demand DSS's core mission includes security education, training, certification, and professional development for DoD, other U.S. government personnel, contractor employees, and representatives of foreign governments. This creates a sizeable market for scalable e-learning platforms, certified training tracks, and secure content libraries aligned with NISPOM and DoD policy requirements. A potential win is an enterprise LMS with compliance-aligned courses, mobile access, progress tracking, certification management, and flexible delivery across DSS's nationwide offices.

Nationwide Footprint With a nationwide footprint of 23 resident offices and 26 field offices, DSS can deliver blended training programs across locations and support remote learning. This enables on-site security awareness campaigns, region-specific content, and scalable contracts that span multiple offices, increasing opportunities for field-based training services and vendor-managed programs.

Background Vetting Synergy DSS's history with NBIB on background investigations signals potential for integrated vetting services, identity authentication, continuous evaluation, and security reporting to streamline clearance processes for cleared industry and contractor personnel, creating recurring services and a market for security lifecycle solutions.

Compliance Focus As Functional Manager for the National Industrial Security Program, DSS emphasizes safeguarding classified information and insider threat prevention. This drives demand for policy and training libraries, compliance programs, insider threat awareness, physical and cyber security training, and audit-ready reporting for DoD partners and cleared industry.

Procurement Potential DSS operates within a government procurement ecosystem with multi-year opportunities for managed services, training content, and security program modernization. The potential exists to scale solutions for other DoD components and federal agencies with similar needs, and to deliver services that integrate smoothly with common enterprise tech stacks such as ASP.NET, Bootstrap, and jQuery for easier deployment and ongoing support.

Defense Security Service Tech Stack

Defense Security Service uses 8 technology products and services including Font Awesome, jQuery UI, jQuery, and more. Explore Defense Security Service's tech stack below.

  • Font Awesome
    Font Scripts
  • jQuery UI
    Javascript Libraries
  • jQuery
    Javascript Libraries
  • Piwik
    System Analytics & Monitoring
  • Bootstrap
    UI Frameworks
  • MediaElement.js
    Video Players
  • Microsoft ASP.NET
    Web Frameworks
  • Twitter
    Widgets

Defense Security Service's Email Address Formats

Defense Security Service uses at least 1 format(s):
Defense Security Service Email FormatsExamplePercentage
First.Last@dss.milJohn.Doe@dss.mil
96%
First@dss.milJohn@dss.mil
3%
LastF@dss.milDoeJ@dss.mil
1%

Frequently Asked Questions

Where is Defense Security Service's headquarters located?

Minus sign iconPlus sign icon
Defense Security Service's main headquarters is located at United States. The company has employees across 5 continents, including North AmericaAsiaAfrica.

What is Defense Security Service's phone number?

Minus sign iconPlus sign icon
You can contact Defense Security Service'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 Defense Security Service's stock symbol?

Minus sign iconPlus sign icon
Defense Security Service is a publicly traded company; the company's stock symbol is DSSI.

What is Defense Security Service's official website and social media links?

Minus sign iconPlus sign icon
Defense Security Service's official website is dss.mil and has social profiles on LinkedIn.

What is Defense Security Service's NAICS code?

Minus sign iconPlus sign icon
Defense Security Service's NAICS code is 92 - Public Administration.

How many employees does Defense Security Service have currently?

Minus sign iconPlus sign icon
As of June 2026, Defense Security Service has approximately 717 employees across 5 continents, including North AmericaAsiaAfrica. Key team members include Chief Of Staff: R. A.Chief Of Logistics: J. C.Chief Technologist Defense Insider Threat Enterprise: M. N.. Explore Defense Security Service's employee directory with LeadIQ.

What industry does Defense Security Service belong to?

Minus sign iconPlus sign icon
Defense Security Service operates in the Government Administration industry.

What technology does Defense Security Service use?

Minus sign iconPlus sign icon
Defense Security Service's tech stack includes Font AwesomejQuery UIjQueryPiwikBootstrapMediaElement.jsMicrosoft ASP.NETTwitter.

What is Defense Security Service's email format?

Minus sign iconPlus sign icon
Defense Security Service's email format typically follows the pattern of First.Last@dss.mil. Find more Defense Security Service email formats with LeadIQ.

When was Defense Security Service founded?

Minus sign iconPlus sign icon
Defense Security Service was founded in 1971.

Defense Security Service

Government AdministrationUnited States501-1000 Employees

The Defense Security Service is a United States government agency within the government administration sector that supports national security through security oversight and education activities. It safeguards U.S. and foreign classified information and technologies in the hands of cleared industry under the National Industrial Security Program by delivering risk-management services. As the Department of Defense's Functional Manager for security, DSS provides education, training, certification, and professional development for DoD personnel, other government staff, contractor employees, and representatives of foreign governments.

Headquartered in Quantico, Virginia, just outside Washington, D.C., the agency maintains a network of offices nationwide, including resident and field locations. Its work targets the needs of cleared industry and government personnel, helping them manage risk and ensure secure handling of sensitive information and warfighter-related technologies. In 2018, DSS partnered with National Background Investigations, Inc. to develop a joint transfer plan outlining the steps involved in transferring responsibilities related to background investigations.

Section iconCompany Overview

Headquarters
United States
Phone number
Website
dss.mil
Stock Symbol
DSSI
NAICS Code
92 - Public Administration
Founded
1971
Employees
501-1000

Section iconFunding & Financials

  • $100M$250M

    Defense Security Service's revenue is estimated to be in the range of $100M$250M

Section iconFunding & Financials

  • $100M$250M

    Defense Security Service's revenue is estimated to be in the range of $100M$250M

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.

ยฉ LeadIQ, Inc. All rights reserved.