The companies listed are primarily IT services and consulting firms based in Arlington, many of which specialize in providing solutions to federal government agencies. These range from established entities to younger firms. Accenture Federal Services, with nearly 10,000 employees, focuses on advanced R&D and technology for the federal government, while Tria Federal offers digital transformation and advisory services to federal health and public safety agencies. GTT provides global managed network and security services, and Tata Group - North America has diverse operations including IT services.
A common thread among these Arlington-based companies is their strong orientation towards government contracts and public sector clients. Vangent, Inc., founded in 1953, has a long history of providing information management services to federal organizations, and Softrams, a Tria Federal Company, delivers innovative technology solutions for federal industries. This indicates a significant cluster of businesses catering to the unique demands of the federal market in the region.
| # | Company | Employees | |||
|---|---|---|---|---|---|
| 1 |
Accenture Federal Servicesaccenture.com
The company brings advanced R&D, latest technologies, and human-centered design to the federal government to create lasting value and drive positive change |
9,719 | |||
| 2 | 3,917 | ||||
| 3 |
Tria Federal (Tria)triafed.com
Provides digital transformation solutions and advisory services to federal health and public safety agencies, addressing capability gaps for faster, smarter operations. |
1,412 | |||
| 4 |
Vangent, Inc.vangent.com
A global provider of information management and strategic business process services for Federal government, commercial, education, and healthcare organizations Offices in US, UK, and Canada |
911 | |||
| 5 |
Tata Group - North Americatata.com
Global business group with diverse operations including IT services, consulting, steel production, luxury hotels, automotive engineering, mining, consumer brands, and philanthropic activities |
699 | |||
| 6 |
Lovelyticslovelytics.com
Data and analytics consultancy specializing in delivering services, building solutions, and promoting self-sufficiency through hands-on enablement for individuals, teams, and organizations |
626 | |||
| 7 |
Core4cecore4ce.com
Mission-oriented company serving national security community by building, modernizing, and defending digital infrastructure with expertise in cyber operations, modernization, engineering, and analysis |
599 | |||
| 8 |
Excellaexcella.com
Technology firm partnering with organizations to deliver collaborative, high-performing solutions that address critical challenges and empower mission success. |
396 | |||
| 9 |
Softrams, a Tria Federal Companytriafed.com
Innovative technology solutions for federal industries, specializing in Salesforce, Artificial Intelligence, Cybersecurity, Cloud, and Data services to drive positive transformation |
385 | |||
| 10 |
Innovative Defense Technologies (IDT)idtus.com
Automated software testing, data analysis, and cybersecurity solutions for DOD's mission-critical systems, enabling faster, more affordable software capabilities deployment |
381 | |||
| 11 |
FCi Federalamentum.com
A company providing federal services has joined PAE, now connecting through LinkedIn at wwwlinkedincom/company/pae |
362 | |||
| 12 |
Innovative Driveninnovativedriven.com
Innovative Driven maximizes business success by turning data into an asset and ensuring proper management and protection of information through technology and industry best practices |
346 | |||
| 13 |
Millenniummillgroupinc.com
A cybersecurity company with over 400 experts specializing in Red Team Operations, Defensive Cyber Operations, Software Engineering, and Technical Engineering |
346 | |||
| 14 |
cBEYONData + SMXcbeyondata.com
Specializing in business process enhancement, cloud migration, BI, data management, analytics, project management, and financial reporting solutions for mission-driven agencies and organizations |
314 | |||
| 15 |
Redhorse Corporationredhorsecorp.com
The company specializes in assisting government entities with data and technology solutions through consulting, digital transformation, and artificial intelligence in various sectors |
314 | |||
Want more companies than this list?This page shows the largest ones only. Connect to Tamtam to see every company that matches, filter by size, industry or growth, and reach their decision-makers. | |||||
| 16 | 288 | ||||
| 17 |
Falconwood, Incorporatedfalconwood.biz
A small, woman-owned business offering executive consultants and program support for Department of Defense IT initiatives, specializing in acquisition strategy and Information Assurance |
248 | |||
| 18 |
DRT Strategiesdrtstrategies.com
A technology innovator specializing in digital transformation for federal agencies and commercial clients, offering expertise in ServiceNow™, AWS, UiPath, and more |
237 | |||
| 19 | 205 | ||||
| 20 |
MANTECH Digital Modernizationmantech.com
A leading Federal Digital Transformation consultancy empowering end users, optimizing operations, and enhancing decision-making through advanced analytics and cloud platforms |
183 | |||
| 21 |
CUBE84cube84.com
A full-service Salesforce consulting company offering implementation, administration, development, integration, and more services to help businesses maximize their CRM investment |
182 | |||
| 22 |
Dupont Circle Solutionsdupontcirclesolutions.com
Salesforce specialists partnering with clients to provide tailored consulting services, building solutions from scratch, cleaning existing systems, and integrating new technologies and processes. |
38 | |||
| 23 |
LightFeatherlightfeather.io
A forward-thinking startup specializing in digital services, empowering individuals, driving business value, and innovating to transform business processes |
38 | |||
| 24 |
Eagle Technologies, Inc.eagletechva.com
A small business specializing in complex solutions for government and large corporate clients nationwide, providing enterprise infrastructure, cloud, application development, and cybersecurity services |
29 | |||
| 25 |
Turbo Federal, LLCturbofederal.com
Provider of Digital Transformation, Application Modernization, Cybersecurity, Training, and Program Management tailored for federal government customers, increasing efficiencies and accelerating delivery |
21 | |||
| 26 |
ByteCubedagiledefense.com
An advanced technology and creative design company using data science to develop innovative solutions for clients in various sectors |
12 | |||
| 27 |
VerticalApps (Acquired by MindPetal)mindpetal.com
Federal Government IT solutions provider specializing in agile application development, data services, and intelligent automation to elevate customer expectations with transparency and flexibility |
9 | |||
| 28 |
Aurenav LLCaurenav.com
International company providing Enterprise Architecture, ICT Security, Business Services, and Web Services across 65+ countries Diverse IT solutions and services |
7 | |||
| 29 |
DevInfoExpress LLCdevinfoexpress.com
An IT service and consulting company specializing in contracting IT employees, providing training, and streamlining business operations for a better customer experience |
7 | |||
| 30 |
Skyrope, LLCskyrope.com
Transforming businesses using technology by managing and enhancing strategic functions like IT, operations, marketing, and sales, focusing on simplicity, subscription services, and exceptional results |
6 | |||
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How this list is built
Every company on this list has a Tamtam company profile. The industry is the one the company gives on LinkedIn; categories such as SaaS or fintech are classified by Tamtam's AI from the company's website and LinkedIn page; and the headquarters city must match the company's own address. Companies are ranked by the number of employees on LinkedIn, and the list is refreshed every night. Classifications can be wrong, so treat the list as a starting point rather than an official ranking. Last updated Nov 11, 2026.
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- Companies with in-house R&D in Arlington 39
- Non-profit Organizations companies in Arlington 32
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The same list elsewhere in United States
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- IT services companies in New Jersey 399
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- IT services companies in Illinois 274
- IT services companies in Georgia 237
- IT services companies in Maryland 179
- IT services companies in Pennsylvania 157
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- IT services companies in North Carolina 96
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