Insights

Dual Compliance Leader ISI uniquely combines compliance with security services, serving defense contractors with CMMC and NIST compliance, FSO services, clearances, and managed IT. This creates sales opportunities for end to end readiness assessments, remediation projects, and ongoing compliance programs.

Recurring Security Revenue Strong offerings in managed IT and cybersecurity enable turning compliance projects into recurring revenue through ongoing monitoring, vulnerability management, and incident response tailored to defense requirements.

Cloud Security Focus With Google Cloud and related tools in the tech stack there is an opportunity to upsell cloud security posture, IAM, DevSecOps, and compliance aligned cloud reporting for contractors modernizing their environments.

Clearance Enablement Facility and Personnel Clearances along with FSO services address a critical barrier for defense suppliers, positioning ISI to win primes and fulfill clearance prerequisites with staffing and clearance management packages.

DoD Proximity Based in Reston, Virginia, ISI is well placed to pursue DoD and federal contractor opportunities, enabling fast consultations, targeted outreach, and relationships with prime contractors and government agencies.

ISI Tech Stack

ISI uses 8 technology products and services including DoubleClick Floodlight, ISO, git, and more. Explore ISI's tech stack below.

  • DoubleClick Floodlight
    Advertising
  • ISO
    Certificates
  • git
    Development
  • Google Cloud
    Infrastructure As A Service
  • TypeScript
    Programming Languages
  • Microsoft Project
    Project Management
  • Google
    Search Engines
  • Google Search Console
    Web Analytics

Media & News

ISI's Email Address Formats

ISI uses at least 2 format(s):
ISI Email FormatsExamplePercentage
FLast@dodsecurity.comJDoe@dodsecurity.com
83%
LFirst@dodsecurity.comDJohn@dodsecurity.com
15%
First.Last@dodsecurity.comJohn.Doe@dodsecurity.com
2%

Frequently Asked Questions

Where is ISI's headquarters located?

Minus sign iconPlus sign icon
ISI's main headquarters is located at 11921 Freedom Drive Suite 600 Reston, Virginia United States. The company has employees across 6 continents, including North AmericaAfricaAsia.

What is ISI's phone number?

Minus sign iconPlus sign icon
You can contact ISI'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 ISI's stock symbol?

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

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

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

What is ISI's SIC code NAICS code?

Minus sign iconPlus sign icon
ISI's SIC code is 7381 - Detective, Guard, and Armored Car Services NAICS code is 5415 - Computer Systems Design and Related Services.

How many employees does ISI have currently?

Minus sign iconPlus sign icon
As of May 2026, ISI has approximately 321 employees across 6 continents, including North AmericaAfricaAsia. Key team members include Chief Executive Officer: D. L.Chief Revenue Officer (cro): S. C.Chief Financial Officer: D. A.. Explore ISI's employee directory with LeadIQ.

What industry does ISI belong to?

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

What technology does ISI use?

Minus sign iconPlus sign icon
ISI's tech stack includes DoubleClick FloodlightISOgitGoogle CloudTypeScriptMicrosoft ProjectGoogleGoogle Search Console.

What is ISI's email format?

Minus sign iconPlus sign icon
ISI's email format typically follows the pattern of FLast@dodsecurity.com. Find more ISI email formats with LeadIQ.

When was ISI founded?

Minus sign iconPlus sign icon
ISI was founded in 2010.

ISI

IT Services and IT ConsultingVirginia, United States201-500 Employees

ISI is an IT services and consulting firm that concentrates on helping defense contractors meet both regulatory compliance and security needs. It positions itself as a single partner for these challenges, serving more than 900 defense contractors. The firm offers services to establish and maintain compliance programs aligned with CMMC and NIST, provides facility security officer support, handles facility and personnel clearances, and delivers managed IT and cybersecurity.

Headquartered in Reston, Virginia, the firm operates as a mid-sized provider within the IT services and consulting space. Its clients are defense contractors seeking to meet security and regulatory obligations across their programs and operations. Positioned for defense-sector needs, the firm focuses on aligning IT services with compliance requirements to support ongoing security and regulatory programs.

Section iconCompany Overview

Headquarters
11921 Freedom Drive Suite 600 Reston, Virginia United States
Phone number
SIC Code
7381 - Detective, Guard, and Armored Car Services
Stock Symbol
TISI
NAICS Code
5415 - Computer Systems Design and Related Services
Founded
2010
Employees
201-500

Section iconFunding & Financials

  • $100M$250M

    ISI's revenue is estimated to be in the range of $100M$250M

Section iconFunding & Financials

  • $100M$250M

    ISI'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.

© LeadIQ, Inc. All rights reserved.