Company lists · Data refreshed September 2026

Top 25 IT systems integration firms based in Washington, United States

RevenueBase identified 70 IT systems integration firms headquartered in Washington, United States as of September 2026 and tracks 822 professional contacts across them, including 301 with verified work emails. Across the United States, New York is the largest hub for this category (214 companies); Washington has 70.

This list covers IT systems integration firms 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.

How to read this list HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 28, 2026 86% judged on-target in blind review
70Companies
822Contacts tracked
301Verified emails
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The 25 largest IT systems integration firms based in Washington, United States

Ranked by team size
Top 25 of 70 IT systems integration firms based in Washington, United States, ranked by team size, largest first. Data refreshed Sep 28, 2026. RevenueBase Smart Search rates how each company's information relates to IT systems integration firms: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Partial evidenceWashington, DC, United StatesHQ checked Sep 28, 202651-200108 contacts →

Partial evidence

“Since 1996, Networking For Future, Inc.(NFF) has been engineering the backbone of mission-critical systems for government and enterprise clients.”

Source: RevenueBase Database · checked Sep 28, 2026
2Partial evidenceWashington, DC, United StatesHQ checked Sep 28, 2026501-1,00087 contacts →

Partial evidence

“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…”

Source: RevenueBase Database · checked Sep 28, 2026
3Partial evidenceWashington, DC, United StatesHQ checked Sep 28, 202611-5072 contacts →

Partial evidence

“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…”

Source: RevenueBase Database · checked Sep 28, 2026
4Partial evidenceWashington, DC, United StatesHQ checked Sep 28, 202651-20047 contacts →

Partial evidence

“Cascades Technologies is a Professional Consulting and IT Services firm with a commitment to personal and profession integrity.”

Source: RevenueBase Database · checked Sep 28, 2026
5Strong evidenceWashington, DC, United StatesHQ checked Sep 28, 202651-20039 contacts →

Strong 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, 2026
6Indirect evidenceWashington, DC, United StatesHQ checked Sep 28, 202651-20037 contacts →

Indirect evidence

“USP is a full-service technology firm built by seasoned utility experts, imparting knowledge for our customers to get the most out of their software investment that guarantees…”

Source: RevenueBase Database · checked Sep 28, 2026
7Indirect evidenceWashington, DC, United StatesHQ checked Sep 28, 202651-20030 contacts →

Indirect evidence

“Compass Solutions, LLC is a leading Information Technology company that delivers technology solutions that fit the business model of its clients.”

Source: RevenueBase Database · checked Sep 28, 2026
8Strong evidenceWashington, DC, United StatesHQ checked Sep 28, 202651-20026 contacts →

Strong evidence

“Tricore Systems, LLC operates as an independent AV, Security, IT, and Electrical advisor and implementation firm.”

Source: RevenueBase Database · checked Sep 28, 2026
9Indirect evidenceWashington, DC, United StatesHQ checked Sep 28, 202651-20022 contacts →

Indirect evidence

“Practical Solutions, Inc.(PSI) was founded on the principle that successful organizations have a balanced operation of technology, engineering, and management.”

Source: RevenueBase Database · checked Sep 28, 2026
10Partial evidenceWashington, DC, United StatesHQ checked Sep 28, 202651-20020 contacts →

Partial evidence

“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…”

Source: RevenueBase Database · checked Sep 28, 2026
11Partial evidenceWashington, DC, United StatesHQ checked Sep 28, 202611-5020 contacts →

Partial evidence

“Sylver Rain Consulting is an IT solutions provider and proven expert in providing skilled consultants to meet any business need.”

Source: RevenueBase Database · checked Sep 28, 2026
12Partial evidenceWashington, DC, United StatesHQ checked Sep 28, 202611-5020 contacts →

Partial evidence

“JRH Consultants is an Information Technology company that provides cost effective services and solutions in Operations Management, Cyber Security Services, Cloud Integration and…”

Source: RevenueBase Database · checked Sep 28, 2026
13Indirect evidenceWashington, DC, United StatesHQ checked Sep 28, 202611-5020 contacts →

Indirect evidence

“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…”

Source: RevenueBase Database · checked Sep 28, 2026
14Partial evidenceWashington, PA, United StatesHQ checked Sep 28, 202611-5019 contacts →

Partial evidence

“Keystone Integrated Solutions LLC is a full-service true system integrator and electrical construction contractor operating in the energy and manufacturing spaces.”

Source: RevenueBase Database · checked Sep 28, 2026
15Indirect evidenceWashington, DC, United StatesHQ checked Sep 28, 202651-20018 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, 2026
16Indirect evidenceWashington, DC, United StatesHQ checked Sep 28, 202611-5011 contacts →

Indirect evidence

“Excalibur Solutions is the necessary ingredient for your business to thrive.”

Source: RevenueBase Database · checked Sep 28, 2026
17Indirect evidenceWashington, DC, United StatesHQ checked Sep 28, 202611-5011 contacts →

Indirect evidence

“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.”

Source: RevenueBase Database · checked Sep 28, 2026
18Strong evidenceWashington, DC, United StatesHQ checked Sep 28, 20261-1010 contacts →

Strong evidence

“SIGNATURE TECHNOLOGY SOLUTIONS LLC (SigTechS) is an IT, Audiovisual and Security systems integrator, uniquely focused on technology solutions for government, corporate, and…”

Source: RevenueBase Database · checked Sep 28, 2026
19Indirect evidenceWashington, DC, United StatesHQ checked Sep 28, 20261-109 contacts →

Indirect evidence

Source: RevenueBase Database · checked Sep 28, 2026
20Partial evidenceWashington, DC, United StatesHQ checked Sep 28, 202611-507 contacts →

Partial evidence

“Capitol Technology Solutions is a client-focused IT services and consulting firm.”

Source: RevenueBase Database · checked Sep 28, 2026
21Partial evidenceWashington, DC, United StatesHQ checked Sep 28, 202611-507 contacts →

Partial evidence

“Converging Technology and Business At K Street Consulting, we're more than just IT support.”

Source: RevenueBase Database · checked Sep 28, 2026
22Partial evidenceWashington, DC, United StatesHQ checked Sep 28, 202611-506 contacts →

Partial evidence

“Razavi Application Developers integrate enterprise level COTS and GOTS packages with information technology services and custom webenabled systems to help clients elevate the…”

Source: RevenueBase Database · checked Sep 28, 2026
23Partial evidenceWashington, DC, United StatesHQ checked Sep 28, 202611-506 contacts →

Partial evidence

“Rapidiant Corporation is a leading Information Technology (IT) services firm providing enterprise consulting services to government and commercial clients.”

Source: RevenueBase Database · checked Sep 28, 2026
24Indirect evidenceWashington, DC, United StatesHQ checked Sep 28, 20261-106 contacts →

Indirect evidence

“Ramarc Solutions is a US and European Information Technology professional services firm with a wealthy knowledge base and experience in the fundamentals of Information Technology…”

Source: RevenueBase Database · checked Sep 28, 2026
25Partial evidenceWashington, DC, United StatesHQ checked Sep 28, 20261-105 contacts →

Partial evidence

“Federal systems integrator for C6ISR as well as for business development consulting services for Federal Government contractors.”

Source: RevenueBase Database · checked Sep 28, 2026

Showing 25 of 70 IT systems integration firms based in Washington, United States

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IT systems integration firms based in Washington, United States at a glance

As of Sep 28, 2026
36.6%Verified-email coverage
11.7Average contacts per company
11-50Median size (employees)
Sep 28, 2026Page data refreshed

Companies by employee count

1-10
33
11-50
23
51-200
13
501-1,000
1

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 70 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 IT systems integration firms, 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 “IT systems integration firms”. 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 IT systems integration firms), 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 IT systems integration firms, 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, 301 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.

IT systems integration firms by metro in the United States

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 IT systems integration firms, 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 IT systems integration firms are there based in Washington, United States?

RevenueBase identified 70 IT systems integration firms 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?

Networking For Future NFF, headquartered in Washington, tops this list with the largest team on record.

Which city in the United States has the most IT systems integration firms?

New York leads the United States with 214 headquartered companies, followed by Houston (180) and Atlanta (119). Washington has 70.

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 301 verified decision-maker contacts tracked across these 70 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.