Insights

Defense Compliance ISI serves over 900 defense contractors with CMMC and NIST compliance, FSO services, andClearances, indicating a strong foothold in regulated defense IT security. Sales opportunities lie in expanding to contractors at different journey stages needing scalable compliance programs and managed security.

Managed Security With offerings in Managed IT and Cybersecurity, ISI can upsell to existing clients by expanding managed services, incident response, and continuous monitoring using tools in their tech stack such as Splunk and Azure to drive recurring revenue.

Clearance Enablement Facility and Personnel Clearances are a core differentiator. There is potential to bundle clearance support with cybersecurity and IT services for new contractors entering the defense ecosystem or expanding programs that require upgraded clearance status.

Digital Transformation ISI’s tech stack includes Google Workspace, Power BI, GitLab CI, Smartsheet, and cloud platforms. There is opportunity to monetize advisory services for modernization, process automation, and analytics-driven compliance reporting for defense suppliers.

Market Positioning As a specialized, small-to-mid sized IT services firm focused on defense contractors, ISI can target mid-market defense primes and subcontractors seeking compliant, secure IT outsourcings, offering a frictionless path to compliance along with managed security.

Similar companies to ISI

ISI Tech Stack

ISI uses 8 technology products and services including Reddit Ads, Power BI, GitLab CI, and more. Explore ISI's tech stack below.

Media & News

ISI's Email Address Formats

ISI uses at least 4 email formats:
ISI Email FormatsExamplePercentage
FLast@dodsecurity.comJDoe@dodsecurity.com
83%
LFirst@dodsecurity.comDJohn@dodsecurity.com
15%
First.Last@dodsecurity.comJohn.Doe@dodsecurity.com
2%
FLast@isidefense.comJDoe@isidefense.com
100%

Frequently Asked Questions

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.

How much revenue does ISI generate?

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As of August 2026, ISI's annual revenue is estimated to be $100M - $250M.

What is ISI's SIC code and NAICS code?

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

How many employees does ISI have currently?

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As of August 2026, ISI has approximately 371 employees across 6 continents, including North America, Asia and Africa. Key team members include Chief Executive Officer: D. L., Chief Executive Officer: A. D. and President & Chief Operating Officer: W. G. 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 Reddit Ads, Power BI, GitLab CI, Google Workspace, Splunk, Microsoft Azure, Smartsheet and Zoom.

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.

How much funding has ISI raised to date?

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As of August 2026, ISI has raised $150K in funding. The last funding round occurred on Sep 11, 2025.

When was ISI founded?

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ISI was founded in 2010.
ISI logo

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

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

  • $150K

    ISI has raised a total of $150K of funding over 1 rounds. Their latest funding round was raised on Sep 11, 2025 as a Venture Round.

  • $100M - $250M

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

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