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Gathering insights about ISI

ISI Tech Stack

ISI uses 8 technology products and services including Microsoft Advertising, Collab, StackAdapt, and more. Explore ISI's tech stack below.

  • Microsoft Advertising
    Advertising
  • Collab
    Call Tracking
  • StackAdapt
    Demand Side Platforms
  • Google Cloud Identity
    Identity And Access Management
  • Office 365
    Office Suites
  • Python
    Programming Languages
  • iOS
    Programming Languages
  • HTTP/3
    Web & Portal Technology

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?

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ISI's main headquarters is located at 250 Exchange Place Herndon, Virginia 20170 United States. The company has employees across 6 continents, including North AmericaAfricaAsia.

What is ISI's phone number?

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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?

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ISI is a publicly traded company; the company's stock symbol is TISI.

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

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ISI's official website is isidefense.com and has social profiles on LinkedIn.

What is ISI's SIC code NAICS code?

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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?

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As of March 2026, ISI has approximately 289 employees across 6 continents, including North AmericaAfricaAsia. Key team members include Chief Of Staff To The Ceo: C. D.Chief Revenue Officer (cro): S. C.Chief Financial Officer: D. A.. Explore ISI's employee directory with LeadIQ.

What industry does ISI belong to?

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ISI operates in the IT Services and IT Consulting industry.

What technology does ISI use?

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ISI's tech stack includes Microsoft AdvertisingCollabStackAdaptGoogle Cloud IdentityOffice 365PythoniOSHTTP/3.

What is ISI's email format?

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

When was ISI founded?

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ISI was founded in 2010.

ISI

IT Services and IT ConsultingVirginia, United States201-500 Employees

ISI is the only partner that meets both your compliance and security needs. We proudly support over 900 defense contractors with: 

-	CMMC & NIST Compliance 
-	FSO Services 
-	Facility & Personnel Clearances
-	Managed IT & Cybersecurity 

We empower defense contractors to achieve compliance, no matter where they are in their journey.

Section iconCompany Overview

Headquarters
250 Exchange Place Herndon, Virginia 20170 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

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