What departments does ISI have?

ISI has employees across 16 departments including Entrepreneurship, Operations, Legal, Product Management, Customer Success.

What is the largest department at ISI?

The largest department at ISI is Military & Protective Services with 6 employees.

Where are ISI employees located globally?

ISI has employees across 7 continents and 47 countries including Tunisia, Senegal, Côte D'ivoire, Gabon, Egypt.

How has ISI's team size changed over time?

ISI's team has grown from approximately 125 to 147 employees based on available data.

ISI Employee Directory

Q: Who are ISI's key employees and leadership?

ISI's key employees include: Chief Executive Officer: D. L., Chief Executive Officer: A. D., President & Chief Operating Officer: W. G., President: G. B., President: J. G..

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.

ISI Global Highlights

North America
647

United States Of America
629
Mexico
10
Canada
5
Grenada
1
Dominican Republic
1
Nicaragua
1

Asia
87

India
41
Pakistan
11
Iran
10
Turkey
7
Indonesia
3
Russian Federation
2
Israel
2
Philippines
2
Cambodia
2
Japan
2
Saudi Arabia
1
Thailand
1
Malaysia
1
Qatar
1
China
1

Africa
69

Senegal
26
Tunisia
22
Egypt
6
Gabon
5
Côte D'ivoire
3
Cameroon
3
Burkina Faso
1
South Africa
1
Morocco
1
Algeria
1

Europe
42

United Kingdom Of Great Britain And Northern Ireland
10
Austria
9
France
8
Italy
6
Norway
2
Switzerland
2
Portugal
2
Ukraine
1
Netherlands
1
Belgium
1

South America
4

Brazil
3
Uruguay
1

Oceania
2

Australia
2

ISI's Leadership

D. L.
Chief Executive Officer
Mobile Phone
Email
A. D.
Chief Executive Officer
Mobile Phone
Email
W. G.
President & Chief Operating Officer
Mobile Phone
Email
G. B.
President
Mobile Phone
Email
J. G.
President
Mobile Phone
Email
J. M.
Founder
Mobile Phone
Email
S. B.
Owner
Mobile Phone
Email
J. G.
Senior Vice President - Msp Operations
Mobile Phone
Email

ISI Employee Metrics

100%

50%

0%

2026

2025

Military & Protective Services
Engineering
Sales
Program & Project Management
Business Development
Other
Information Security
Information Technology
Analytics

Contact profiles from ISI

Name

Title

Contact

Location

Last Update

D. L.
Chief Executive Officer
Mobile Phone
Email
Sep 03, 2026
W. G.
President & Chief Operating Officer
Mobile Phone
Email
Sep 03, 2026
S. B.
Owner
Mobile Phone
Email
United KingdomEngland
Aug 05, 2026
G. B.
President
Mobile Phone
Email
May 28, 2026
J. G.
President
Mobile Phone
Email
Apr 28, 2026
A. D.
Chief Executive Officer
Mobile Phone
Email
Aug 05, 2026
J. M.
Founder
Mobile Phone
Email
Sep 04, 2026
J. G.
Senior Vice President - Msp Operations
Mobile Phone
Email
Aug 31, 2026
A. H.
Vice President, Compliance
Mobile Phone
Email
Aug 28, 2026
B. K.
Senior Vice President Of Operations
Mobile Phone
Email
Jun 25, 2026

Frequently Asked Questions

What is ISI known for?

ISI was founded in 2010 operates in the IT Services and IT Consulting industry; you can contact the main corporate office by phone at

+1-703-376-****

. Explore ISI's company overview page for more information.

What is ISI's most common email format?

ISI employees' email format typically follows the pattern of . Trying to find reliable and up-to-date employee contact data? Find more ISI email formats with LeadIQ.

How many employees does ISI have currently?

ISI has approximately 371 employees as of August 2026. These team members are located across 6 continents, including North AmericaAsiaAfrica.

Who are ISI's key employees and leadership?

As of August 2026, ISI's key employees include:

Chief Executive Officer: D. L.
Chief Executive Officer: A. D.
President & Chief Operating Officer: W. G.
President: G. B.
President: J. G.

Looking for contact data? Unlock accurate emails and phone numbers for your ideal prospects with LeadIQ.

Everything for prospecting,
in one platform.

What you can expect from LeadIQ:

B2B data verified in real-time
Sync data to your CRM, & add it to an outreach sequence in one click
Integrations with your tech stack for optimal efficiency
A patented AI cold email generator
Account & contact-level job change tracking

ISI Employee Directory

Find ISI employees' phone numbers or email addresses

Name search is limited — try advanced search instead