Diamond SI Employee Directory

Q: How many employees does Diamond SI have currently?

Diamond SI has approximately 11 employees.

Facilities ServicesUnited States11-50 Employees

Our Mission is to provide diamond quality security and systems solutions that protect the lives and properties of US citizens in the homeland and overseas.

DSI is a SBA-certified 8(a) SDB and HUBZone small business specializing in providing versatile customized security services to a variety of clients both government and commercial.

Our unique multifaceted approach to projects allow for a quick turnaround on the most complex projects without compromising quality of work.
Our professional experience combines well with our dedication to staying on the cutting edge of all technological advances in the respective fields we service.

INSTALLATION AND MAINTENANCE:
- Electrical Systems
- Mass Notification Systems
- Surveillance Equipment
- Audio & Visual Equipment
- Access Control 
- Telephone/Card Reader Entry Systems
- Gate Entry Control Systems
- Life Safety & Equipment Protection
        - Fire Protection
        - Chemical detection
Telephone Network
IT Hardware

U.S. Small Business Administration 8(a) Certified | SDB 
CAGE Code: 39NA1
DUNS Number: 795167324
NAICS Codes: 236210, 236220, 238210, 334310, 517110, 541690, 561621, 561622, 812921, 921190

MDOT Minority Business Enterprise # 02-563
WMATA / DDOT Minority Business Enterprise  # 1371
Baltimore City Minority Business Enterprise #08-005182

Find Diamond SI employees' phone numbers or email addresses

Diamond SI Global Highlights

North America
1

United States Of America
1

Diamond SI's Leadership

N. R.
Principal
Mobile Phone
Email

Contact profiles from Diamond SI

Name

Title

Contact Info

Location

Last Update

N. R.
Principal
Mobile Phone
Email
Oct 22, 2024

Frequently Asked Questions

What is Diamond SI known for?

Diamond SI operates in the Facilities Services industry. The company's main headquarters is located in Suite G, Windsor Mill, MD 21244, US. Explore Diamond SI's company overview page for more information.

What is Diamond SI's most common email format?

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

How many employees does Diamond SI have currently?

Diamond SI has approximately 11 employees as of October 2025. These team members are located across 1 continents, including North America.

Who are Diamond SI's key employees and leadership?

As of October 2025, Diamond SI's key employees include:

Principal: N. R.

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