Company lists · Data refreshed September 2026

Top 18 Government IT companies based in Gaithersburg, United States

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

Compiled by the RevenueBase Data Team Data refreshed Sep 20, 2026 25 companies tracked

RevenueBase identified 25 company matches for government IT companies associated with Gaithersburg, United States as of September 2026 and tracks 426 professional contacts across them, including 114 with verified work emails. Across the United States, Washington is the largest hub for this category (222 companies); Gaithersburg has 25.

This list covers company matches for government IT companies associated with Gaithersburg, 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 20, 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 20, 2026 How this list was built

25Companies

426Contacts tracked

114Verified emails

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The 18 largest government IT companies based in Gaithersburg, United States

Ranked by team size

Top 18 of 25 company matches for government IT companies based in Gaithersburg, United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 20, 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	Diaconia	Exact match	Gaithersburg, MD, United StatesHQ recorded Sep 20, 2026	51-200	83 contacts →
	Exact match “Service starts with a spark: one that illuminates breakthroughs and leaves a lasting impact.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
2	Oss, INC	Exact match	Gaithersburg, MD, United StatesHQ recorded Sep 20, 2026	51-200	54 contacts →
	Exact match “OSS, Inc is a company with foundations based on a full information technology support to clients.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
3	Connsci	Exact match	Gaithersburg, MD, United StatesHQ recorded Sep 20, 2026	51-200	37 contacts →
	Exact match “Connsci is an award-winning Professional Services organization that provides Management Consulting, IT Solutions, Learning & Development and Cybersecurity services to the Health…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
4	Previse Solutions	Exact match	Gaithersburg, MD, United StatesHQ recorded Sep 20, 2026	51-200	34 contacts →
	Exact match “At Previse, we offer a range of IT services from business solutions to implementation with a core set of expertise.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
5	DAS Federal LLC	Exact match	Gaithersburg, MD, United StatesHQ recorded Sep 20, 2026	51-200	32 contacts →
	Exact match “DAS Federal - Digital Applied Solutions - We partner with government agencies to drive innovation and optimize mission delivery.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
6	Tecfac Business Services Group	Exact match	Gaithersburg, MD, United StatesHQ recorded Sep 20, 2026	11-50	29 contacts →
	Exact match “Over 20 years of offering the best IT solutions to address industry challenges and drive growth.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
7	Strategic Results	Exact match	Gaithersburg, MD, United StatesHQ recorded Sep 20, 2026	11-50	23 contacts →
	Exact match “Strategic Results delivers innovative solutions and exceptional services that allow our clients to achieve mission successes with lasting impact.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
8	Aboutweb, LLC	Exact match	Gaithersburg, MD, United StatesHQ recorded Sep 20, 2026	11-50	22 contacts →
	Exact match “AboutWeb is a leading provider of information technology and support solutions.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
9	Network Specialty Group, INC	Exact match	Gaithersburg, MD, United StatesHQ recorded Sep 20, 2026	51-200	14 contacts →
	Exact match “Our team at NSG thinks differently.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
10	Washington Software INC	Exact match	Gaithersburg, MD, United StatesHQ recorded Sep 20, 2026	11-50	14 contacts →
	Exact match “Founded in 1998, Washington Software's commitment to success has been the vision since the beginning.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
11	Nexcepta, INC	Exact match	Gaithersburg, MD, United StatesHQ recorded Sep 20, 2026	11-50	13 contacts →
	Exact match “Nexcepta is a U.S.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
12	D2soft Intelligence	Exact match	Gaithersburg, MD, United StatesHQ recorded Sep 20, 2026	11-50	12 contacts →
	Exact match “D2Soft Intelligence, LLC is a technology consulting and engineering firm specializing in Enterprise IT, Software Engineering, Cloud Architecture, DevSecOps, and AI-driven…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
13	Client Software Services CSS	Exact match	Gaithersburg, MD, United StatesHQ recorded Sep 20, 2026	11-50	9 contacts →
	Exact match “Provides a comprehensive range of technology solutions, including Software Application Development, Data and Systems Integration, Data Modeling, Business Intelligence, and Data…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
14	WEB Traits, INC	Exact match	Gaithersburg, MD, United StatesHQ recorded Sep 20, 2026	51-200	8 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
15	Sentilect, LLC	Exact match	Gaithersburg, MD, United StatesHQ recorded Sep 20, 2026	1-10	5 contacts →
	Exact match “Sentilect, LLC is a consulting firm, which provides a wide range of IT services to government and non-government organizations in the Greater Washington DC area.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
16	Motion Forward Technologies	Exact match	Gaithersburg, MD, United StatesHQ recorded Sep 20, 2026	1-10	4 contacts →
	Exact match “Motion Forward Technologies is a cutting-edge technology firm specializing in comprehensive IT solutions for the Federal government.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
17	Cognostrategy, LLC	Exact match	Gaithersburg, MD, United StatesHQ recorded Sep 20, 2026	1-10	2 contacts →
	Exact match “At CognoStrategy, we forge the future of technology through strategic consulting, robust information technology infrastructure services, cutting-edge artificial intelligence &…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
18	Meridian Solutions Group, INC	Exact match	Gaithersburg, MD, United StatesHQ recorded Sep 20, 2026	1-10	2 contacts →
	Exact match “Meridian Solutions Group is an 8(a) Certified, Small Disadvantaged Business (SDB) that provides Information Technology consulting solutions to government, commercial and small…” Recorded in the RevenueBase company graph · Sep 20, 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 “government IT 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 18 of 25 government IT companies based in Gaithersburg, United States

See the full list, filter by size, metro and specialty, and access 114 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Government IT companies based in Gaithersburg, United States at a glance

As of Sep 20, 2026

26.8%Verified-email coverage

17.0Average contacts per company

11-50Median size (employees)

Sep 20, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

Email recency for this list is measured across the whole United States list rather than for Gaithersburg, so it is reported there. Company counts and contact totals on this page are exact for Gaithersburg, over 25 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 Gaithersburg, United States whose business descriptions match “government IT 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 114 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 20, 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.

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

How many government IT companies are there based in Gaithersburg, United States?

RevenueBase identified 25 company matches for government IT companies associated with Gaithersburg, 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?

Diaconia 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 government IT companies?

Washington leads the United States with 222 company records, followed by Reston (170) and Herndon (120). Gaithersburg has 25.

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 114 professional contacts with verified work emails tracked across these 25 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 20, 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.