Company lists · Data refreshed September 2026

Top 25 IT professional services companies based in Washington, United States

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

Compiled by the RevenueBase Data Team Data refreshed Sep 27, 2026 161 companies tracked

RevenueBase identified 161 company matches for IT professional services companies associated with Washington, United States as of September 2026 and tracks 1,854 professional contacts across them, including 544 with verified work emails. Across the United States, New York is the largest hub for this category (613 companies); Washington has 161.

This list covers company matches for IT professional services companies 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 27, 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 27, 2026 How this list was built

161Companies

1,854Contacts tracked

544Verified emails

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The 25 largest IT professional services companies based in Washington, United States

Ranked by team size

Top 25 of 161 company matches for IT professional services companies based in Washington, United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 27, 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	Techunity, INC	Exact match	Washington, DC, United StatesHQ recorded Sep 27, 2026	51-200	156 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
2	DHA Group, INC	Exact match	Washington, DC, United StatesHQ recorded Sep 27, 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 27, 2026 · View company records in RevenueBase
3	Networking For Future NFF	Exact match	Washington, DC, United StatesHQ recorded Sep 27, 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 27, 2026 · View company records in RevenueBase
4	Arlo Solutions	Exact match	Washington, DC, United StatesHQ recorded Sep 27, 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 27, 2026 · View company records in RevenueBase
5	Blue Water Thinking	Exact match	Washington, DC, United StatesHQ recorded Sep 27, 2026	51-200	91 contacts →
	Exact match “Strategy, Management and Technology Consultancy” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
6	Creoal SMX	Exact match	Washington, DC, United StatesHQ recorded Sep 27, 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 27, 2026 · View company records in RevenueBase
7	Software Information Resource Corp Sirc	Exact match	Washington, DC, United StatesHQ recorded Sep 27, 2026	11-50	85 contacts →
	Exact match “SIRC provides high level professional Information Technology and Project Management services to its partners and customers in the Washington DC Metropolitan area.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
8	Dantech Corporation INC	Exact match	Washington, DC, United StatesHQ recorded Sep 27, 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 27, 2026 · View company records in RevenueBase
9	NEW Signature	Exact match	Washington, DC, United StatesHQ recorded Sep 27, 2026	201-500	70 contacts →
	Exact match “New Signature delivers an amazing customer experience to small, mid-sized, enterprise and public sector customers and helps them solve business challenges with Microsoft solutions.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
10	Cascades Technologies, INC	Exact match	Washington, DC, United StatesHQ recorded Sep 27, 2026	51-200	47 contacts →
	Exact match “Cascades Technologies is a Professional Consulting and IT Services firm with a commitment to personal and profession integrity.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
11	Componentwise Solutions INC	Exact match	Washington, DC, United StatesHQ recorded Sep 27, 2026	n/a	43 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
12	Digidoc, Inc. DBA Public Sector Solutions Group	Exact match	Washington, DC, United StatesHQ recorded Sep 27, 2026	51-200	40 contacts →
	Exact match “The Public Sector Solutions Group is an award-winning Information Technology consulting firm with an emphasis on access to real-time information and an enhanced user experience.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
13	Compass Solutions	Exact match	Washington, DC, United StatesHQ recorded Sep 27, 2026	51-200	30 contacts →
	Exact match “Compass Solutions, LLC is a leading Information Technology company that delivers technology solutions that fit the business model of its clients.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
14	Ip-Plus Consulting, INC	Exact match	Washington, DC, United StatesHQ recorded Sep 27, 2026	11-50	26 contacts →
	Exact match “iP-PLUS CONSULTING is an IT solutions company that focuses on providing high quality professionals, innovative technical solutions, and delivering exceptional service support to…” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
15	Practical Solutions, INC	Exact match	Washington, DC, United StatesHQ recorded Sep 27, 2026	51-200	22 contacts →
	Exact match “Practical Solutions, Inc.(PSI) was founded on the principle that successful organizations have a balanced operation of technology, engineering, and management.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
16	Genesys Impact	Exact match	Washington, DC, United StatesHQ recorded Sep 27, 2026	51-200	20 contacts →
	Exact match “Genesys Impact is a Technology Solutions Integrator & MSP firm, CMMC L2, ISO 9001:2015 and ISO/IEC 27001:2022 certified, helping federal agencies, healthcare systems, data…” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
17	Sylver Rain Consulting	Exact match	Washington, DC, United StatesHQ recorded Sep 27, 2026	11-50	20 contacts →
	Exact match “Sylver Rain Consulting is an IT solutions provider and proven expert in providing skilled consultants to meet any business need.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
18	Fwdthink	Exact match	Washington, DC, United StatesHQ recorded Sep 27, 2026	11-50	20 contacts →
	Exact match “FWDthink is an information technology services firm that helps Government agencies and Fortune 100 companies implement technological solutions, expand revenue or ROI and train our…” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
19	Telecommunications Development Corp	Exact match	Washington, DC, United StatesHQ recorded Sep 27, 2026	51-200	18 contacts →
	Exact match “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…” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
20	Crp, Incorporated	Exact match	Washington, DC, United StatesHQ recorded Sep 27, 2026	1-10	16 contacts →
	Exact match “CRP is a management consulting firm, specializing in state-of-the-art, technology-based solutions that fit the needs of our clients.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
21	BIG Impact Tech BIT	Exact match	Washington, DC, United StatesHQ recorded Sep 27, 2026	51-200	15 contacts →
	Exact match “Big Impact Tech (BIT) is a small business that provides Business Management and IT Consulting Services to the public and private sectors.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
22	Csznet INC	Exact match	Washington, DC, United StatesHQ recorded Sep 27, 2026	51-200	14 contacts →
	Exact match “CSZNet provides IT Solutions & Services for Federal & State Government and Private Sectors.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
23	Biztech Fusion LLC	Exact match	Washington, DC, United StatesHQ recorded Sep 27, 2026	11-50	11 contacts →
	Exact match “BizTech Fusion is a global IT and business consulting firm, providing tailored solutions that align technology with strategic business goals.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
24	Goldman Edwards	Exact match	Washington, DC, United StatesHQ recorded Sep 27, 2026	11-50	11 contacts →
	Exact match “Our CEO, whom was a government official within Department of Homeland Security (DHS) built Goldman Edwards on the foundation of security, innovation and service to our homeland.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
25	PCN Strategies	Exact match	Washington, DC, United StatesHQ recorded Sep 27, 2026	11-50	10 contacts →
	Exact match “PCN Strategies mission is to make everything convenient and streamlined for you.” Recorded in the RevenueBase company graph · Sep 27, 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 “IT professional services companies”. 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 161 IT professional services companies based in Washington, United States

See the full list, filter by size, metro and specialty, and access 544 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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IT professional services companies based in Washington, United States at a glance

As of Sep 27, 2026

29.3%Verified-email coverage

11.5Average contacts per company

1-10Median size (employees)

Sep 27, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

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 161 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 “IT professional services 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. 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 544 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 27, 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.

IT professional services companies 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 “IT professional services companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many IT professional services companies are there based in Washington, United States?

RevenueBase identified 161 company matches for IT professional services companies 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?

Techunity, 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 IT professional services companies?

New York leads the United States with 613 company records, followed by Houston (455) and Dallas (343). Washington has 161.

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 544 professional contacts with verified work emails tracked across these 161 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 27, 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.