Company lists · Data refreshed September 2026
Top 21 Gsa schedule IT consultants based in Washington, United States
RevenueBase identified 39 gsa schedule IT consultants headquartered in Washington, United States as of September 2026 and tracks 988 professional contacts across them, including 276 with verified work emails. Across the United States, Washington is the largest hub for this category.
This list covers gsa schedule IT consultants headquartered in Washington, United States, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 28, 2026.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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.
The 21 largest gsa schedule IT consultants based in Washington, United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 314 contacts → | ||||
Indirect evidence “With over 30 years of hands-on experience, Computer World Services Corp.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 2 | 135 contacts → | ||||
Indirect evidence “DHA is a full-service Information Technology and Consulting firm dedicated to providing mission-critical services to our Federal Government and commercial clients.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 3 | 100 contacts → | ||||
Indirect evidence “Arlo Solutions (Arlo), is a Washington, DC professional services company, providing cybersecurity and management consulting services to the US government in the defense…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 4 | 79 contacts → | ||||
Indirect evidence “You need more than a contractor.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 5 | 39 contacts → | ||||
Partial evidence “Avid Systems LLC is a woman-owned Information Technology Services firm based in Washington, DC, with over 20 years of proven expertise in delivering transformative IT solutions.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 6 | 26 contacts → | ||||
Partial evidence “iP-PLUS CONSULTING is an IT solutions company that focuses on providing high quality professionals, innovative technical solutions, and delivering exceptional service support to…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 7 | 19 contacts → | ||||
Partial evidence “Founded in 2015, Raye IT Consulting, LLC is an 8(a) certified Woman Owned Small Business headquartered in Raleigh NC with a location in Washington, DC.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 8 | 18 contacts → | ||||
Strong evidence “The Gormley Group (TGG) is a GSA and VA Multiple Award Schedule (MAS) contract consulting company with unparalleled domain expertise in all aspects of the MAS Schedule program.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 9 | 18 contacts → | ||||
Indirect evidence “TDC’s business expertise spans a range of industries, solutions and geographies with core capabilities in the areas of technology management consulting, public safety & homeland…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 10 | 17 contacts → | ||||
Indirect evidence “Based in the heart of Washington, DC, with an office in New York, Global Services delivers winning strategies for every stage of marketing to the government, analyzing your…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 11 | 14 contacts → | ||||
Partial evidence “CSZNet provides IT Solutions & Services for Federal & State Government and Private Sectors.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 12 | 8 contacts → | ||||
Partial evidence “Artisys Corporation is an ethnic minority-owned, Service-Disabled Veteran-Owned Business (SDVOB) with over 35 years of experience delivering transformative IT consulting and…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 13 | 7 contacts → | ||||
Indirect evidence “STEM Solutions is a mission-focused technical services provider supporting the Department of Defense, Intelligence Community, and federal integrators with cleared expertise in…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 14 | 4 contacts → | ||||
Indirect evidence “Abstract Evolutions (AE) is an Information Technology consulting and SBA Certified HUBZone and Certified Business Enterprise (CBE) located in Washington, DC.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 15 | 2 contacts → | ||||
Indirect evidence “At Dynamic Green Radiance LLC, we adapt to changing circumstances.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 16 | 2 contacts → | ||||
Partial evidence “Data Transformation Corp.(DTC), is an experienced, award-winning company dedicated to providing innovative IT solutions to the government and commercial business sectors by…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 17 | 2 contacts → | ||||
Partial evidence “Systems Integrations Partners, LLC, is an IT and Management Consulting Company based in the Washington, DC, metropolitan area.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 18 | 1 contacts → | ||||
Indirect evidence “With over five years of experience serving startups small businesses and large corporations in Washington, D.C, Blackfyre is the go-to choice for companies looking to succeed in…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 19 | 1 contacts → | ||||
Strong evidence “Chaedrol LLC provides acquisition, project, and proposal management; strategic pricing and contracts consulting; and GSA Schedule advice.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 20 | 1 contacts → | ||||
Partial evidence “At ZIO Technologies, we support government agencies and organizations in delivering reliable, scalable IT solutions that make an impact.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 21 | 1 contacts → | ||||
Indirect evidence “The JMB Consulting Group, LLC is a Native American and woman-owned small business based in the District of Columbia, Maryland, and Virginia started by a Certified Information…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
RevenueBase Smart Search
RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: gsa schedule IT consultants. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.
- Strong evidence
- The company's own public description of its business names gsa schedule IT consultants.
- Partial evidence
- Its own public description names part of gsa schedule IT consultants, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name gsa schedule IT consultants. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.
RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.
Showing 21 of 39 gsa schedule IT consultants based in Washington, United States
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Gsa schedule IT consultants based in Washington, United States at a glance
As of Sep 28, 2026Companies by employee count
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 39 companies.
How this list was built
Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among gsa schedule IT consultants, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
- What qualifies
- Companies headquartered in Washington, United States whose own description of what they do matches “gsa schedule IT consultants”. Matching reads each company's description, not its industry code or its name.
- RevenueBase Smart Search
- RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names gsa schedule IT consultants), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
- What we exclude
- Companies whose own description does not clearly place them among gsa schedule IT consultants, and records with no verified work email. Companies headquartered outside Washington are excluded even when they keep an office there.
- Match quality
- In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
- 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 listed company carries at least one verified work email, 276 across the full list. 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.
- Corrections
- Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.
Frequently asked
What is RevenueBase Smart Search?
RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names gsa schedule IT consultants, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.
How many gsa schedule IT consultants are there based in Washington, United States?
RevenueBase identified 39 gsa schedule IT consultants headquartered in Washington, United States as of September 2026, matched on each company's own description of what it does rather than its industry code.
What is the largest company on this list?
Computer World Services Corp. CWS, headquartered in Washington, tops this list with the largest team on record.
Which city in the United States has the most gsa schedule IT consultants?
Washington leads the United States with 39 headquartered companies, 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 the top results, verified emails and direct dials included. Upgrading unlocks all 276 verified decision-maker contacts tracked across these 39 companies.
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 Smart Search, 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.
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