Company lists · Data refreshed November 2026

Top 25 Federal IT services providers worldwide

Name: Federal IT services providers worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Nov 5, 2026 27,065 companies tracked

RevenueBase identified 27,065 company matches for federal IT services providers worldwide as of November 2026 and tracks 1,073,526 professional contacts across them, including 272,645 with verified work emails. The United States is the largest market and Washington the largest hub.

This list covers company matches for federal IT services providers worldwide, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed November 5, 2026. Country and city lists for federal IT services providers follow the table.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list RevenueBase SmartSearch · Exact Recorded Nov 5, 2026 How this list was built

27,065Companies

1,073,526Contacts tracked

272,645Verified emails

Explore this list → Free signup · no credit card · 500 free credits

The 25 largest federal IT services providers worldwide

Ranked by team size

Top 25 of 27,065 company matches for federal IT services providers worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 5, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	DXC Technology	Exact match	Ashburn, VA, United StatesHQ recorded Nov 5, 2026	10001+	86,844 contacts →
	Exact match “DXC Technology helps global companies run their mission-critical systems and operations while modernizing IT, optimizing data architectures, and ensuring security and scalability…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
2	Kyndryl	Exact match	New York, NY, United StatesHQ recorded Nov 5, 2026	10001+	47,955 contacts →
	Exact match “We have the world’s best talent that design, run, and manage the most advanced and reliable technology infrastructure each day.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
3	NTT Data	Exact match	Tokyo, JapanHQ recorded Nov 5, 2026	10001+	42,145 contacts →
	Exact match “NTT DATA – a part of NTT Group – IT and business services headquartered in Tokyo.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
4	SAIC	Exact match	Reston, VA, United StatesHQ recorded Nov 5, 2026	10001+	34,914 contacts →
	Exact match “SAIC® is a premier mission integrator focused on advancing the power of technology and innovation to serve and protect our world.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
5	Leidos	Exact match	Reston, VA, United StatesHQ recorded Nov 5, 2026	10001+	29,226 contacts →
	Exact match “Leidos is an industry and technology leader serving government & commercial customers with smarter, more efficient digital and mission innovations.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
6	General Dynamics Information Technology	Exact match	Falls Church, VA, United StatesHQ recorded Nov 5, 2026	10001+	25,406 contacts →
	Exact match “GDIT is a global technology and professional services company that delivers solutions, technology and mission services to every major agency across the U.S.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
7	CDW	Exact match	Vernon Hills, IL, United StatesHQ recorded Nov 5, 2026	10001+	13,669 contacts →
	Exact match “At CDW, we know how to make technology work so people can do great things.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
8	Guidehouse	Exact match	Mclean, IL, United StatesHQ recorded Nov 5, 2026	10001+	13,603 contacts →
	Exact match “Guidehouse is a global AI-led professional services firm delivering advisory, technology, and managed services to the commercial and government sectors.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
9	Peraton	Exact match	Reston, MD, United StatesHQ recorded Nov 5, 2026	10001+	11,210 contacts →
	Exact match “At Peraton, we're at the forefront of delivering the next big thing every day.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
10	Mantech	Exact match	Herndon, VA, United StatesHQ recorded Nov 5, 2026	5,001-10,000	10,193 contacts →
	Exact match “About Us: At MANTECH, we believe national security demands more than technology-it requires an unwavering dedication to the mission and the warfighters who defend it.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
11	Accenture Federal Services	Exact match	Arlington, MO, United StatesHQ recorded Nov 5, 2026	10001+	9,827 contacts →
	Exact match “We power reinvention across the US federal government to help agencies deliver greater outcomes using proven commercial solutions, mission expertise, and new technologies – cloud…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
12	ELM Company	Exact match	Riyadh, Saudi ArabiaHQ recorded Nov 5, 2026	1,001-5,000	7,577 contacts →
	Exact match “Elm is the leading provider of innovative secure services & solutions to both public and private sectors in Saudi Arabia.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
13	Tyler Technologies	Exact match	Plano, IL, United StatesHQ recorded Nov 5, 2026	5,001-10,000	7,246 contacts →
	Exact match “Tyler Technologies (NYSE: TYL) provides integrated software and technology services to the public sector.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
14	SHI International Corp	Exact match	Somerset, United StatesHQ recorded Nov 5, 2026	5,001-10,000	7,151 contacts →
	Exact match “Think of SHI as your personal technology concierge.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
15	Datacom	Exact match	Auckland, New ZealandHQ recorded Nov 5, 2026	5,001-10,000	6,268 contacts →
	Exact match “Datacom is a technology partner and solutions provider combining deep local expertise with global capability, working across data, cloud, cyber security, digital engineering and…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
16	SCC	Exact match	Birmingham, FranceHQ recorded Nov 5, 2026	5,001-10,000	5,859 contacts →
	Exact match “SCC unleashes the potential of IT for global businesses, as one of Europe’s largest independent IT groups.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
17	Team Computers	Exact match	New Delhi, IndiaHQ recorded Nov 5, 2026	1,001-5,000	4,945 contacts →
	Exact match “Our story began in 1987, when our founder, Ranjan Chopra, an alumnus of IIT Kanpur, set out to bridge the gap between business needs and IT solutions in India.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
18	Cegeka	Exact match	Hasselt, BelgiumHQ recorded Nov 5, 2026	5,001-10,000	4,771 contacts →
	Exact match “The digital world moves fast.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
19	Asrc Federal	Exact match	Reston, VA, United StatesHQ recorded Nov 5, 2026	5,001-10,000	4,665 contacts →
	Exact match “ASRC Federal’s employees provide solutions for more than 30 U.S.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
20	Shared Services Canada Services Partagés Canada	Exact match	Ottawa, ON, CanadaHQ recorded Nov 5, 2026	5,001-10,000	4,650 contacts →
	Exact match “Shared Services Canada is modernizing how the Government of Canada manages its information technology (IT) infrastructure.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
21	CMS IT Services	Exact match	Bangalore, IndiaHQ recorded Nov 5, 2026	5,001-10,000	4,449 contacts →
	Exact match “CMS IT is a leading India-focused, tier-1 preferred IT provider with a legacy of four decades.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
22	Aricent	Exact match	Santa Clara, United StatesHQ recorded Nov 5, 2026	10001+	4,380 contacts →
	Exact match “Aricent is now Altran, delivering industry innovations at future speed.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
23	Carahsoft	Exact match	Reston, ON, United StatesHQ recorded Nov 5, 2026	1,001-5,000	4,109 contacts →
	Exact match “Carahsoft is The Trusted IT Solutions Provider®, supporting Federal, State, Local Government, Education, Healthcare and Private Sector industries.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
24	PAE	Exact match	Falls Church, VA, United StatesHQ recorded Nov 5, 2026	10001+	3,673 contacts →
	Exact match “Since 1955, PAE has been a critical partner of the U.S.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
25	Quest Software	Exact match	Austin, TX, United StatesHQ recorded Nov 5, 2026	1,001-5,000	3,432 contacts →
	Exact match “At Quest Software, we help organizations build modern, trusted foundations for AI.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase

RevenueBase SmartSearch

Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.

This list uses Exact for “federal IT services providers”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.

Showing 25 of 27,065 federal IT services providers worldwide

See the full list, filter by size, metro and specialty, and access 272,645 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

Federal IT services providers worldwide at a glance

As of Nov 5, 2026

25.4%Verified-email coverage

39.7Average contacts per company

11-50Median size (employees)

1.0%Largest-city concentration · Washington

Nov 5, 2026Page data refreshed

Companies by employee count

1-10

11,366

11-50

9,990

51-200

3,881

201-500

982

501-1,000

347

1,001-5,000

242

5,001-10,000

10001+

Email recency is reported on each country list linked below.

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

Source: The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
Coverage: Every country. Country and city lists for federal IT services providers are linked below.
What qualifies: Company records worldwide whose business descriptions match “federal IT services providers” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch: Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview: The public preview omits records without a verified work email. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality: RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
Ranking: Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
Verification: Every displayed company carries at least one verified work email. RevenueBase tracks 272,645 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh: This page's figures were pulled from the company graph on November 5, 2026. Lists refresh periodically as the graph is re-checked.
Record context: Company records and descriptions can change. Check the company's website for its current services and locations.

Federal IT services providers by location

184 lists · largest first

Every Federal IT services providers list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

Cities

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “federal IT services providers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many federal IT services providers are there worldwide?

RevenueBase identified 27,065 company matches for federal IT services providers worldwide as of November 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

DXC Technology tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which country has the most federal IT services providers?

The United States leads with 8,598 companies, followed by India (2,608) and Brazil (1,038). Every federal IT services providers list by country and city is linked on this page.

Which city has the most federal IT services providers?

Washington leads with 278 company records, followed by Dubai (274) and Bangalore (269).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 272,645 professional contacts with verified work emails tracked across these 27,065 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on November 5, 2026.

Ready to reach these companies? Verified emails and direct dials for all 27,065 federal IT services providers worldwide. Start with a free account, no credit card.

Download this list →

Related lists

Browse the directory

About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.