Public Sector Services

TSI Capabilities and Core Competencies

TSI is an IT consulting services firm serving local, state, and large commercial client-partners since 2010.
TSI is headquartered in Dumfries, VA perfectly situated between Washington, D.C., and Marine Corp Base
Quantico. TSI provides cutting edge technology solutions in the core areas of :

• Technology Modernization
• GovCloud
• Network Security Engineering
• Cybersecurity Auditing and Ongoing Compliance
• Offensive Cybersecurity
• IT Support Services and Help Desk Management
• Technology Acquisitions
• Operational Technology Management
• Blockchain security solution sets



Veteran-Owned Small Business (VOSB)
Minority Owned
EIN: 272529504
DUNS: 962495433
Cage: 605B3

NAICS Codes: 541511, 238210, 511210,
541690, 518210, 541512, 541513, 541519,

PSC Codes: R406, R408, R410, R704, 7B20,
7B21, 7B22,7C20, 7C21, 7D20, 7E20, 7F20,
7H20, J20, 7K20, DG01,DG10, DG11, B540,
B544, U012, DJ01, DJ10

SAM Registration: Active

Business Size: Small Business

Virginia Information Technologies Agency (VITA) IT
Contingent Labor Services Contract,VA-130620-CAI

  • ‘scratch the itch’ of a very specific need
    within an organization or agency.


  • Flexible and adept at filling specific niche
    gaps to full enterprise-wide solution sets.


  • From the most junior to senior level
    consultants, we create instant trust with
    personable, relatable, communication to
    help you understand how technology flows
    through your organization.


  • The solutions for your environment are
    always proactive, flexible, scalable, and a
    security-first approach to support your future
    growth and needs.

Contact info

Justin Holroyd, Business Development
Phone 703-596-0022 x 207


2525 Pointe Center Court, Suite 200
Dumfries, VA 2202

Selected Past Performance

Dumfries: Complete Managed Service for the Town government, Police Department, and co-located Department of Motor Vehicles facility. This includes continuous monitoring of equipment status, network performance,resolution of issues, and equipment refresh as demand dictates, IT support to meetings and events.

New Mexico:  Design, configure and provide new Voice over Internet Protocol phone system comprised of over 3,200 individual phone instruments across more than 23 physical facilities within the school district. Tasks included porting phone numbers,establishing internal extensions, auto attendant, call groups, ongoing support for phone operations, upgrades and new requirements.

Young Marines: Complete managed IT services from the overarching infrastructure to individual users along with Voice over IP and Cybersecurity planning and protection.