Company lists · Data refreshed September 2026

Top 25 Federal IT consulting services based in Washington, United States

Name: Federal IT consulting services based in Washington, United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 28, 2026 332 companies tracked

RevenueBase identified 332 company matches for federal IT consulting services associated with Washington, United States as of September 2026 and tracks 9,901 professional contacts across them, including 1,741 with verified work emails. Across the United States, Washington is the largest hub for this category.

This list covers company matches for federal IT consulting services associated with Washington, United States, 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.

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

332Companies

9,901Contacts tracked

1,741Verified emails

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The 25 largest federal IT consulting services based in Washington, United States

Ranked by team size

Top 25 of 332 company matches for federal IT consulting services based in Washington, United States, 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.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Vtech Solution INC	Exact match	Washington, DC, United StatesHQ recorded Sep 28, 2026	201-500	576 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
2	Gryphon Technologies, INC	Exact match	Washington, DC, United StatesHQ recorded Sep 28, 2026	1,001-5,000	454 contacts →
	Exact match “Gryphon Technologies - now part of ManTech, is headquartered in Washington DC.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
3	Computer World Services Corp. CWS	Exact match	Washington, DC, United StatesHQ recorded Sep 28, 2026	201-500	314 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
4	Mcallister & Quinn	Exact match	Washington, DC, United StatesHQ recorded Sep 28, 2026	51-200	170 contacts →
	Exact match “McAllister & Quinn is a Washington, DC consulting firm that provides a comprehensive range of services to a diverse group of clients with issues before the federal government.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
5	Obsidian Global, LLC	Exact match	Washington, DC, United StatesHQ recorded Sep 28, 2026	201-500	169 contacts →
	Exact match “Obsidian is an advanced technology company, designing enterprise solutions for our clients’ critical mission and business needs.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
6	Analytica	Exact match	Washington, DC, United StatesHQ recorded Sep 28, 2026	51-200	135 contacts →
	Exact match “Analytica is an award-winning consulting and technology services provider that supports public-sector health, civilian, and national security.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
7	DHA Group, INC	Exact match	Washington, DC, United StatesHQ recorded Sep 28, 2026	201-500	135 contacts →
	Exact match “DHA is a full-service Information Technology and Consulting firm dedicated to providing mission-critical services to our Federal Government and commercial clients.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
8	Venesco, LLC	Exact match	Washington, DC, United StatesHQ recorded Sep 28, 2026	201-500	120 contacts →
	Exact match “Venesco, LLC is a premier government contractor delivering Healthcare, IT, Research & Development, and a range of mission‑critical services to federal agencies.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
9	CGH Technologies, INC	Exact match	Washington, DC, United StatesHQ recorded Sep 28, 2026	51-200	115 contacts →
	Exact match “CGH Technologies Inc, delivers information engineering solutions and management support services to United States and international government and private sector organizations.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
10	Networking For Future NFF	Exact match	Washington, DC, United StatesHQ recorded Sep 28, 2026	51-200	108 contacts →
	Exact match “Since 1996, Networking For Future, Inc.(NFF) has been engineering the backbone of mission-critical systems for government and enterprise clients.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
11	Shorepoint INC	Exact match	Washington, DC, United StatesHQ recorded Sep 28, 2026	n/a	106 contacts →
	Exact match “ShorePoint recognizes that cybersecurity is the challenge of our generation.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
12	Aver, LLC	Exact match	Washington, DC, United StatesHQ recorded Sep 28, 2026	51-200	103 contacts →
	Exact match “AVER, LLC – Data and Modernization Experts, delivers exceptional client service with great people and transformative technology solutions to enable Government mission success.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
13	Expression	Exact match	Washington, DC, United StatesHQ recorded Sep 28, 2026	51-200	101 contacts →
	Exact match “Expression is a leading provider of tailored and integrated information technology, software engineering, data analytics, and electromagnetic spectrum management solutions for…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
14	Arlo Solutions	Exact match	Washington, DC, United StatesHQ recorded Sep 28, 2026	51-200	100 contacts →
	Exact match “Arlo Solutions (Arlo), is a Washington, DC professional services company, providing cybersecurity and management consulting services to the US government in the defense…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
15	Simple Technology Solutions	Exact match	Washington, DC, United StatesHQ recorded Sep 28, 2026	51-200	90 contacts →
	Exact match “Simple Technology Solutions (STS) has in-depth experience helping federal & state government agencies in their Agile/DevOps/Cloud adoption & transformation.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
16	Creoal SMX	Exact match	Washington, DC, United StatesHQ recorded Sep 28, 2026	501-1,000	87 contacts →
	Exact match “Acquired by SMX in late 2023, Creoal drives digital transformation through innovative IT solutions that leverage Oracle, Salesforce, and leading-edge technologies (e.g, AI, RPA…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
17	Veracity Engineering	Exact match	Washington, DC, United StatesHQ recorded Sep 28, 2026	51-200	80 contacts →
	Exact match “Since 2001, Veracity Engineering has been successful in building, growing, and performing on a portfolio of technically challenging engineering and program management engagements…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
18	Tsymmetry	Exact match	Washington, DC, United StatesHQ recorded Sep 28, 2026	51-200	79 contacts →
	Exact match “You need more than a contractor.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
19	Akira Technologies	Exact match	Washington, DC, United StatesHQ recorded Sep 28, 2026	51-200	77 contacts →
	Exact match “Akira Technologies is a data and cloud technology company committed to solving the Federal Government’s most complex challenges and helping agencies unlock sustainable value.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
20	Saalex Corporation	Exact match	Washington, DC, United StatesHQ recorded Sep 28, 2026	501-1,000	73 contacts →
	Exact match “Established in under the visionary leadership of Travis Mack, Saalex Corporation has transformed into an Advanced Technology Systems Integrator.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
21	Business Technology Integrators	Exact match	Washington, DC, United StatesHQ recorded Sep 28, 2026	51-200	72 contacts →
	Exact match “BTI is a proud Service-Disabled Veteran-Owned Small Business (SDVOSB) with 25 years in business and trusted federal partner delivering mission-focused technology and consulting…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
22	Dantech Corporation INC	Exact match	Washington, DC, United StatesHQ recorded Sep 28, 2026	11-50	72 contacts →
	Exact match “As organizations navigate the demands of today’s fast-moving IT landscape, Dantech stands as a trusted partner with the expertise to guide, implement, and optimize technology…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
23	Longevity Consulting	Exact match	Washington, DC, United StatesHQ recorded Sep 28, 2026	51-200	71 contacts →
	Exact match “Longevity Consulting is a customer-focused strategic management and IT consulting firm that helps federal agencies achieve mission objectives, improve outcomes, and strengthen…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
24	FWG Solutions	Exact match	Washington, DC, United StatesHQ recorded Sep 28, 2026	51-200	66 contacts →
	Exact match “FWG Solutions is an award-winning firm certified by the SBA as an 8(a) that was founded in 2012.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
25	Intepros Federal	Exact match	Washington, DC, United StatesHQ recorded Sep 28, 2026	51-200	51 contacts →
	Exact match “IntePros Federal is a Service-Disabled Veteran-Owned Small Business (SDVOSB) founded in 2009 with the goal of providing IT services to multiple agencies/departments of the federal…” Recorded in the RevenueBase company graph · Sep 28, 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 consulting services”. 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 332 federal IT consulting services based in Washington, United States

See the full list, filter by size, metro and specialty, and access 1,741 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Federal IT consulting services based in Washington, United States at a glance

As of Sep 28, 2026

17.6%Verified-email coverage

29.8Average contacts per company

11-50Median size (employees)

Sep 28, 2026Page data refreshed

Companies by employee count

1-10

148

11-50

113

51-200

201-500

501-1,000

1,001-5,000

Email recency for this list is measured across the whole United States list rather than for Washington, so it is reported there. Company counts and contact totals on this page are exact for Washington, over 332 companies.

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.
What qualifies: Company records associated with Washington, United States whose business descriptions match “federal IT consulting services” 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. Where headquarters information is recorded, preview rows are also filtered to this page’s location. 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 1,741 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 consulting services by metro in the United States

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 consulting services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many federal IT consulting services are there based in Washington, United States?

RevenueBase identified 332 company matches for federal IT consulting services associated with Washington, United States 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?

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

Which city in the United States has the most federal IT consulting services?

Washington leads the United States with 332 company records, followed by New York (314) and Houston (219).

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 1,741 professional contacts with verified work emails tracked across these 332 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.

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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.