Company lists · Data refreshed September 2026

Top 25 Gsa schedule IT consultants worldwide

RevenueBase identified 724 company matches for gsa schedule IT consultants worldwide as of September 2026 and tracks 21,893 professional contacts across them, including 5,365 with verified work emails. The United States is the largest market and Washington the largest hub.

This list covers company matches for gsa schedule IT consultants 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 gsa schedule IT consultants 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
724Companies
21,893Contacts tracked
5,365Verified emails
Explore this list → Free signup · no credit card · 500 free credits

The 25 largest gsa schedule IT consultants worldwide

Ranked by team size
Top 25 of 724 company matches for gsa schedule IT consultants 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 matchTrevose, PA, United StatesHQ recorded Sep 28, 2026201-500979 contacts →

Exact match

“PPC is now part of DSA”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
2Exact 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
3Exact matchFairfax, VA, United StatesHQ recorded Sep 28, 20261,001-5,000639 contacts →

Exact match

“For over 20 years, Salient CRGT has upheld its mission to "empower our diverse, hard-working team to deliver high-value solutions that make positive impacts on missions and…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
4Exact matchPetaling Jaya, MalaysiaHQ recorded Sep 28, 2026501-1,000605 contacts →

Exact match

“CTC Global Sdn Bhd (CTC Malaysia) is a wholly owned subsidiary of ITOCHU Techno-Solutions Corporation (CTC) and ITOCHU Corporation.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
5Exact matchBhopal, IndiaHQ recorded Sep 28, 2026201-500419 contacts →

Exact match

“XtraNet Technologies Ltd: The Global Leader in IT Solutions XtraNet Technologies (Previously known as “XtraNet Technologies Pvt.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
6Exact matchFrederick, MD, United StatesHQ recorded Sep 28, 2026501-1,000410 contacts →

Exact match

“Edgewater Federal Solutions was founded in 2002 with the mission of being the best IT consulting company possible for our government clients, our contracting partners and our…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
7Exact matchBlacksburg, VA, United StatesHQ recorded Sep 28, 202651-200373 contacts →

Exact match

“JPI is an Information Technology and Program Management Consulting Firm.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
8Exact matchHerndon, VA, United StatesHQ recorded Sep 28, 202651-200356 contacts →

Exact match

“From disaster response and automated healthcare kiosks to occupational health services and federal IT consulting, we operate at the intersection of mission-critical need and…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
9Exact matchLorton, VA, United StatesHQ recorded Sep 28, 2026201-500355 contacts →

Exact match

“NJVC® provides customers with innovative solutions to critical mission, business and technology challenges.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
10Exact matchVienna, VA, United StatesHQ recorded Sep 28, 2026201-500335 contacts →

Exact match

“Inserso Corporation is ISO 9001:2015 (Quality), ISO (ITSM), and ISO 27001:2013 (Security) certified and CMMI-ML3 appraised Small Business.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
11Exact matchBethesda, MD, United StatesHQ recorded Sep 28, 2026501-1,000324 contacts →

Exact match

“JOBSEEKERS: Our Recruiters only ever reach out from BusinessIntegra.com or PeopleIntegra.com email addresses.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
12Exact matchWashington, DC, United StatesHQ recorded Sep 28, 2026201-500314 contacts →

Exact match

“With over 30 years of hands-on experience, Computer World Services Corp.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
13Exact matchRockville, MD, United StatesHQ recorded Sep 28, 2026201-500296 contacts →

Exact match

“Founded in 2003, FEDITC, LLC is an ISO and CMMI level 3 certified cyber security, IT, and engineering services firm.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
14Exact matchPleasanton, CA, United StatesHQ recorded Sep 28, 20261,001-5,000295 contacts →

Exact match

“Tryfacta Inc.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
15Exact matchChantilly, VA, United StatesHQ recorded Sep 28, 2026201-500279 contacts →

Exact match

“UNICOM Government, A Division of UNICOM Global, is a leading provider of technology solutions to federal, state, and local governments.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
16Exact matchBeavercreek, OH, United StatesHQ recorded Sep 28, 2026201-500234 contacts →

Exact match

“For over 20 years, Sawdey Solutions Services has provided both Government and commercial clients with innovative cross-disciplined professional services that aim not only to…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
17Exact matchWeaverville, NC, United StatesHQ recorded Sep 28, 2026201-500225 contacts →

Exact match

“Epsilon, an AMERICAN SYSTEMS company, began with a simple yet powerful mission: to make IT empower people-not frustrate them.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
18Exact matchMclean, VA, United StatesHQ recorded Sep 28, 2026201-500224 contacts →

Exact match

“ValidaTek is a premier government IT consulting firm based in the Washington DC area that drives technology transformation and secures mission-critical systems for our federal…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
19Exact matchFremont, CA, United StatesHQ recorded Sep 28, 2026n/a223 contacts →

Exact match

“Founded in Fremont, CA, Keep IT Simple (KIS) has established itself as a leading provider of IT solutions with an outstanding 38-year history of serving both commercial and…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
20Exact matchBethesda, MD, United StatesHQ recorded Sep 28, 2026201-500217 contacts →

Exact match

“T-Rex is a leading IT solutions provider helping the Federal government modernize, protect, and scale its systems and data efficiently and effectively.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
21Exact matchFalls Church, VA, United StatesHQ recorded Sep 28, 20261,001-5,000215 contacts →

Exact match

“On April 1, 2015, Acentia was acquired by MAXIMUS Acentia provides technology and management solutions to Federal Government customers in the Health, Civilian, and Defense markets.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
22Exact matchRockville, MD, United StatesHQ recorded Sep 28, 2026201-500198 contacts →

Exact match

“LCG is a leading provider of technology and solution-based consulting services, including managed infrastructure & operations, application services, cybersecurity, grant…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
23Exact matchChantilly, VA, United StatesHQ recorded Sep 28, 2026201-500192 contacts →

Exact match

“BlueWater Federal, a Tetra Tech company, is a business provider of Enterprise IT and Operational and Program Support to the Federal Government and its agencies including: •…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
24Exact matchFairfax, VA, United StatesHQ recorded Sep 28, 2026201-500190 contacts →

Exact match

“Nationwide IT Services, Inc.(NIS) is designated 8(a) by the SBA, and a CVE verified Service Disabled Veteran Owned Small Business (SDVOSB) Information Technology (IT) and…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
25Exact matchSpringfield, VA, United StatesHQ recorded Sep 28, 202651-200172 contacts →

Exact match

“Computer Systems Center Incorporated (CSCI) is a highly specialized systems integration, and professional services firm that delivers proven results by harnessing the value of…”

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

Showing 25 of 724 gsa schedule IT consultants worldwide

See the full list, filter by size, metro and specialty, and access 5,365 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

Gsa schedule IT consultants worldwide at a glance

As of Sep 28, 2026
24.5%Verified-email coverage
30.2Average contacts per company
11-50Median size (employees)
5.4%Largest-city concentration · Washington
Sep 28, 2026Page data refreshed

Companies by employee count

1-10
285
11-50
231
51-200
155
201-500
40
501-1,000
6
1,001-5,000
4
5,001-10,000
1
10001+
1

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 gsa schedule IT consultants are linked below.
What qualifies
Company records worldwide whose business descriptions match “gsa schedule IT consultants” 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 5,365 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.

Gsa schedule IT consultants by location

2 lists · largest first

Every Gsa schedule IT consultants 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 “gsa schedule IT consultants”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many gsa schedule IT consultants are there worldwide?

RevenueBase identified 724 company matches for gsa schedule IT consultants 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?

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

Which country has the most gsa schedule IT consultants?

The United States leads with 566 companies. Every gsa schedule IT consultants list by country and city is linked on this page.

Which city has the most gsa schedule IT consultants?

Washington leads with 39 company records, followed by Herndon (19) and Fairfax (17).

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 5,365 professional contacts with verified work emails tracked across these 724 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 724 gsa schedule IT consultants 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.