Company lists · Data refreshed November 2026

Top 18 Systems integration and managed services based in Mclean, United States

Name: Systems integration and managed services based in Mclean, United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Nov 6, 2026 42 companies tracked

RevenueBase identified 42 company matches for systems integration and managed services associated with Mclean, United States as of November 2026 and tracks 5,017 professional contacts across them, including 1,314 with verified work emails. Across the United States, New York is the largest hub for this category (647 companies); Mclean has 42.

This list covers company matches for systems integration and managed services associated with Mclean, 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 November 6, 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 Nov 6, 2026 How this list was built

42Companies

5,017Contacts tracked

1,314Verified emails

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The 18 largest systems integration and managed services based in Mclean, United States

Ranked by team size

Top 18 of 42 company matches for systems integration and managed services based in Mclean, United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 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	DMI	Exact match	Mclean, VA, United StatesHQ recorded Nov 6, 2026	1,001-5,000	1,646 contacts →
	Exact match “DMI is a leading provider of digital services and technology solutions with a focus on end-to-end managed services, including managed mobility, cloud, cybersecurity, network…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2	22nd Century Technologies INC	Exact match	Mclean, VA, United StatesHQ recorded Nov 6, 2026	5,001-10,000	1,329 contacts →
	Exact match “22nd Century Technologies Inc,(22nd) is a mid-size Service Integrator, focused on providing IP enabled managed services and solutions to Federal, State and Local governments.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3	Ntiva, INC	Exact match	Mclean, VA, United StatesHQ recorded Nov 6, 2026	501-1,000	534 contacts →
	Exact match “At Ntiva, growing people (our employees, partners, and clients) is our mission.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4	SMS Data Products Group, INC	Exact match	Mclean, VA, United StatesHQ recorded Nov 6, 2026	501-1,000	459 contacts →
	Exact match “As a dynamic systems integrator, SMS offers proven solutions in engineering, operations, cybersecurity, and digital transformation.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5	Groundswell	Exact match	Mclean, VA, United StatesHQ recorded Nov 6, 2026	201-500	372 contacts →
	Exact match “Groundswell is a specialized, highly agile systems integrator delivering advanced technology solutions as a trusted mission partner to federal agencies.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6	GCB Services	Exact match	Mclean, VA, United StatesHQ recorded Nov 6, 2026	201-500	186 contacts →
	Exact match “At GCB Services, we believe great projects begin with great people.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7	Saliense	Exact match	Mclean, VA, United StatesHQ recorded Nov 6, 2026	51-200	108 contacts →
	Exact match “Saliense is a high-end Technology Solutions provider based out of Tysons Corner, VA.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8	Advanced Computer Concepts	Exact match	Mclean, VA, United StatesHQ recorded Nov 6, 2026	11-50	70 contacts →
	Exact match “Advanced Computer Concepts (ACC) provides IT products and services to corporate and government customers.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9	Artemis Consulting	Exact match	Mclean, VA, United StatesHQ recorded Nov 6, 2026	501-1,000	37 contacts →
	Exact match “Artemis Consulting, a wholly owned subsidiary of ARETUM, is an IT Services and Management Consulting firm in the Washington D.C.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10	Tvar Solutions	Exact match	Mclean, VA, United StatesHQ recorded Nov 6, 2026	11-50	22 contacts →
	Exact match “TVAR Solutions is a small business enterprise solutions provider with a decades-long proven track record of solving the complex technical challenges of the Federal Government and…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11	CWN	Exact match	Mclean, VA, United StatesHQ recorded Nov 6, 2026	11-50	16 contacts →
	Exact match “CWN specializes in automation and secure integration to provide industry-ready solutions using the latest technologies.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12	Tuck Technologies	Exact match	Mclean, VA, United StatesHQ recorded Nov 6, 2026	11-50	10 contacts →
	Exact match “Tuck Technologies is a full-service technology company offering a wide array of services ranging from audio-visual and structured cabling to full scale IT solutions and…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13	Lantech	Exact match	Mclean, VA, United StatesHQ recorded Nov 6, 2026	51-200	10 contacts →
	Exact match “IT/Telecom, Security, Web 2.0 and IT Greening are LanTech’s niche.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14	Betis Direct, LLC	Exact match	Mclean, VA, United StatesHQ recorded Nov 6, 2026	11-50	8 contacts →
	Exact match “Betis Direct is an experienced provider of comprehensive information technology products and solutions.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15	Capitol Cyber Group	Exact match	Mclean, VA, United StatesHQ recorded Nov 6, 2026	11-50	5 contacts →
	Exact match “Experience the pinnacle of reliable IT systems with Capitol Cyber Group, where our unwavering commitment is to shield your business from costly downtime and amplify staff…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16	Ironbrick	Exact match	Mclean, VA, United StatesHQ recorded Nov 6, 2026	11-50	4 contacts →
	Exact match “Founded in 2006, IronBrick seeks to reduce the cost, risk, and effort of managing information.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17	Onlineowls	Exact match	Mclean, VA, United StatesHQ recorded Nov 6, 2026	1-10	3 contacts →
	Exact match “OnlineOwls provides expertly customized, fully managed IT solutions for small and medium businesses––so you can open your doors knowing we’ve got you secured.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18	Tyger Solutions Corporation	Exact match	Mclean, VA, United StatesHQ recorded Nov 6, 2026	1-10	2 contacts →
	Exact match “Tyger Solutions Corporation (TSC) is an Information Technology (IT) consulting firm specializing in Information Security, custom technology designs, systems integration, and…” Recorded in the RevenueBase company graph · Nov 6, 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 “systems integration and managed 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 18 of 42 systems integration and managed services based in Mclean, United States

See the full list, filter by size, metro and specialty, and access 1,314 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Systems integration and managed services based in Mclean, United States at a glance

As of Nov 6, 2026

26.2%Verified-email coverage

119.5Average contacts per company

11-50Median size (employees)

Nov 6, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

1,001-5,000

5,001-10,000

Email recency for this list is measured across the whole United States list rather than for Mclean, so it is reported there. Company counts and contact totals on this page are exact for Mclean, over 42 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 Mclean, United States whose business descriptions match “systems integration and managed 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 1,314 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 November 6, 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.

Systems integration and managed 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 “systems integration and managed services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many systems integration and managed services are there based in Mclean, United States?

RevenueBase identified 42 company matches for systems integration and managed services associated with Mclean, United States as of November 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?

DMI 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 systems integration and managed services?

New York leads the United States with 647 company records, followed by Houston (482) and Dallas (299). Mclean has 42.

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 1,314 professional contacts with verified work emails tracked across these 42 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 November 6, 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.