Company lists · Data refreshed September 2026

Top 25 Federal IT staffing companies worldwide

RevenueBase identified 6,541 company matches for federal IT staffing companies worldwide as of September 2026 and tracks 162,818 professional contacts across them, including 27,137 with verified work emails. The United States is the largest market and Hyderabad the largest hub.

This list covers company matches for federal IT staffing companies 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 September 28, 2026. Country and city lists for federal IT staffing companies 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 Sep 28, 2026 How this list was built
6,541Companies
162,818Contacts tracked
27,137Verified emails
Explore this list → Free signup · no credit card · 500 free credits

The 25 largest federal IT staffing companies worldwide

Ranked by team size
Top 25 of 6,541 company matches for federal IT staffing companies worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 28, 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.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchHerndon, VA, United StatesHQ recorded Sep 28, 20265,001-10,0009,697 contacts →

Exact match

“MANTECH is more than a technology company.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
2Exact matchChesterfield, MO, United StatesHQ recorded Sep 28, 20265,001-10,0002,061 contacts →

Exact match

“Rose International is a leading provider of Staffing and Total Talent Solutions to corporations and government agencies, employing thousands of people across the U.S, Canada and…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
3Exact matchAnchorage, AK, United StatesHQ recorded Sep 28, 20265,001-10,0001,853 contacts →

Exact match

“As the most successful Alaska Native village corporation, Chenega figures prominently in the diverse government services contracting marketplace supporting defense, intelligence…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
4Exact matchOrlando, FL, United StatesHQ recorded Sep 28, 20261,001-5,0001,759 contacts →

Exact match

“Loyal Source is an Orlando-based workforce solutions provider dedicated to delivering elite services worldwide.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
5Exact matchBangalore, IndiaHQ recorded Sep 28, 202610001+1,702 contacts →

Exact match

“We are the largest IT staff augmentation provider in India, with employees spread across 500+ skill sets.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
6Exact matchPlymouth, MI, United StatesHQ recorded Sep 28, 20261,001-5,0001,545 contacts →

Exact match

“Infotree Global was founded in 2002 in a small office in Canton, MI, Infotree Global had a clear mission; To bring the world’s best talent together with the greatest companies…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
7Exact matchAndover, MA, United StatesHQ recorded Sep 28, 2026201-5001,480 contacts →

Exact match

“ALKU® is a highly specialized consulting services firm focused on deploying highly skilled consulting resources in the areas of Technologies, HCIT, Life Sciences, and Government…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
8Exact matchIndianapolis, IN, United StatesHQ recorded Sep 28, 20261,001-5,0001,480 contacts →

Exact match

“At Brooksource, relationships are at the center of everything we do.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
9Exact matchPittsburgh, PA, United StatesHQ recorded Sep 28, 20265,001-10,0001,386 contacts →

Exact match

“System One is a leading provider of specialized, highly technical outsourced services, workforce solutions, staffing, and recruiting to critical infrastructure, technology, life…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
10Exact matchCranbury, NJ, United StatesHQ recorded Sep 28, 2026n/a1,347 contacts →

Exact match

“Since V Group Inc.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
11Exact matchAlpharetta, GA, United StatesHQ recorded Sep 28, 2026501-1,0001,296 contacts →

Exact match

“ASK Consulting is an award-winning technology and professional services recruiting firm servicing Fortune 500 organizations nationally.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
12Exact matchBangalore, IndiaHQ recorded Sep 28, 202610001+1,232 contacts →

Exact match

“Quess IT Staffing is India’s largest IT staffing company with over 20 years of experience in placing IT professionals across 300+ companies, covering a wide range of levels and…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
13Exact matchGreenville, United StatesHQ recorded Sep 28, 2026201-5001,187 contacts →

Exact match

“TRS Staffing Solutions is a world leading engineering recruitment agency specialising in the recruitment and supply of professional, engineering, technical and field talent.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
14Exact matchBoston, MA, United StatesHQ recorded Sep 28, 2026501-1,0001,150 contacts →

Exact match

“Motion Recruitment, a Kelly® Company, delivers IT Talent Solutions for Contract, Direct Hire, Managed Solutions and Statement of Work to all of North America from our 21 delivery…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
15Exact matchDallas, TX, United StatesHQ recorded Sep 28, 20265,001-10,0001,141 contacts →

Exact match

“Pinnacle Group is a leading provider of information technology and workforce solutions.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
16Exact matchBrookfield, WI, United StatesHQ recorded Sep 28, 2026201-5001,019 contacts →

Exact match

“Founded in 1985, QPS Employment Group has grown from a two-person operation to one of the nation's leading staffing and recruiting firms, with more than 300 internal employees…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
17Exact matchBowie, MD, United StatesHQ recorded Sep 28, 2026501-1,000941 contacts →

Exact match

“Established in 1980, MIL provides innovative cyber, engineering, financial, and information technology services to the federal government.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
18Exact matchVirginia, South AfricaHQ recorded Sep 28, 20261,001-5,000927 contacts →

Exact match

“TekSynap understands both the pace of technology today and the need to have a comprehensive well planned information management environment.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
19Exact matchAtlanta, GA, United StatesHQ recorded Sep 28, 20261,001-5,000901 contacts →

Exact match

“RemX is the professional staffing division of EmployBridge, a $3 billion staffing organization with more than 600 offices in the U.S.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
20Exact matchIrving, TX, United StatesHQ recorded Sep 28, 2026201-500881 contacts →

Exact match

“IMCS Group is an IT, Healthcare, and Professional Staffing Company that helps Enterprises optimize the business value of their Staffing investments and enables them to achieve…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
21Exact matchFort Lauderdale, FL, United StatesHQ recorded Sep 28, 20261,001-5,000783 contacts →

Exact match

“We’re stronger together.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
22Exact matchEdison, NJ, United StatesHQ recorded Sep 28, 2026501-1,000762 contacts →

Exact match

“Integrated Resources Inc.(IRI) is a professional staffing firm specializing in contract, consulting & full time positions in the area of Information Technology, Life Science and…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
23Exact matchWestmont, IL, United StatesHQ recorded Sep 28, 20265,001-10,000757 contacts →

Exact match

“Johnson Service Group, Inc.(JSG) is a leader in the staffing and consulting services industry, with 40 years of experience investing in people and companies.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
24Exact matchReston, VA, United StatesHQ recorded Sep 28, 2026201-500747 contacts →

Exact match

“Systems Engineering Services Corporation (SESC), founded in 1989, is a leading provider of technology solutions to Fortune companies and government organizations.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
25Exact matchSterling, VA, United StatesHQ recorded Sep 28, 20261,001-5,000732 contacts →

Exact match

“Headquartered in Washington DC Metro Area, Cynet Systems is a top talent supplier for companies across North America.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase

Showing 25 of 6,541 federal IT staffing companies worldwide

See the full list, filter by size, metro and specialty, and access 27,137 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

Federal IT staffing companies worldwide at a glance

As of Sep 28, 2026
16.7%Verified-email coverage
24.9Average contacts per company
11-50Median size (employees)
1.8%Largest-city concentration · Hyderabad
Sep 28, 2026Page data refreshed

Companies by employee count

1-10
2,265
11-50
2,352
51-200
1,360
201-500
335
501-1,000
111
1,001-5,000
72
5,001-10,000
18
10001+
16

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 staffing companies are linked below.
What qualifies
Company records worldwide whose business descriptions match “federal IT staffing companies” 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 27,137 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 September 28, 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 staffing companies by location

42 lists · largest first

Every Federal IT staffing companies 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 staffing companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many federal IT staffing companies are there worldwide?

RevenueBase identified 6,541 company matches for federal IT staffing companies worldwide as of September 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?

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

Which country has the most federal IT staffing companies?

The United States leads with 3,935 companies, followed by India (556) and Canada (204). Every federal IT staffing companies list by country and city is linked on this page.

Which city has the most federal IT staffing companies?

Hyderabad leads with 116 company records, followed by New York (102) and Houston (84).

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 27,137 professional contacts with verified work emails tracked across these 6,541 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 September 28, 2026.

Ready to reach these companies? Verified emails and direct dials for all 6,541 federal IT staffing companies worldwide. Start with a free account, no credit card.

Download this list →

Related lists

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.