Company lists · Data refreshed September 2026

Top 23 Government contractors based in Rockville, United States

Name: Government contractors based in Rockville, United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 16, 2026 34 companies tracked

RevenueBase identified 34 company matches for government contractors associated with Rockville, United States as of September 2026 and tracks 2,731 professional contacts across them, including 907 with verified work emails. Across the United States, Washington is the largest hub for this category (116 companies); Rockville has 34.

This list covers company matches for government contractors associated with Rockville, 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 16, 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 16, 2026 How this list was built

34Companies

2,731Contacts tracked

907Verified emails

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The 23 largest government contractors based in Rockville, United States

Ranked by team size

Top 23 of 34 company matches for government contractors based in Rockville, United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 16, 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	Tista Science And Technology Corporation	Exact match	Rockville, MD, United StatesHQ recorded Sep 16, 2026	1,001-5,000	543 contacts →
	Exact match “Since 2005, TISTA has been a trusted partner with innovative IT solutions for the federal government.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
2	Feditc	Exact match	Rockville, MD, United StatesHQ recorded Sep 16, 2026	201-500	296 contacts →
	Exact match “Founded in 2003, FEDITC, LLC is an ISO and CMMI level 3 certified cyber security, IT, and engineering services firm.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
3	Strategic Technology Institute INC	Exact match	Rockville, MD, United StatesHQ recorded Sep 16, 2026	51-200	269 contacts →
	Exact match “Since 1985, STi has become a preferred provider of products and services supporting the training, engineering, and logistics needs of a wide range of U.S.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
4	Lcg, INC	Exact match	Rockville, MD, United StatesHQ recorded Sep 16, 2026	201-500	198 contacts →
	Exact match “LCG is a leading provider of technology and solution-based consulting services, including managed infrastructure & operations, application services, cybersecurity, grant…” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
5	Caelum Research Corporation	Exact match	Rockville, MD, United StatesHQ recorded Sep 16, 2026	51-200	194 contacts →
	Exact match “Caelum Research Corporation is a dynamic, broad-based professional service firm providing Applied Sciences, Information Technology, and System Engineering services to government…” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
6	Mele Associates, INC	Exact match	Rockville, MD, United StatesHQ recorded Sep 16, 2026	201-500	191 contacts →
	Exact match “MELE Associates, Inc.(MELE) has been delivering outstanding service and support to federal, local, and state government agencies and commercial customers for more than three…” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
7	Information Systems Solutions, INC	Exact match	Rockville, MD, United StatesHQ recorded Sep 16, 2026	201-500	152 contacts →
	Exact match “ISS is an innovative information technology (IT) services and solutions provider to the Department of Defense (DoD) and other federal government agencies.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
8	Hendall INC	Exact match	Rockville, MD, United StatesHQ recorded Sep 16, 2026	51-200	148 contacts →
	Exact match “From serving civilian agencies in their public service missions to supporting the defense communities that protect our Nation, Hendall delivers best-value solutions that improve…” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
9	Mes, INC	Exact match	Rockville, MD, United StatesHQ recorded Sep 16, 2026	201-500	139 contacts →
	Exact match “MES, aka Manufacturing Engineering Systems, is an ISO 9001:2015 certified, international, award winning small business, a management and technical services firm located in…” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
10	Technuf	Exact match	Rockville, MD, United StatesHQ recorded Sep 16, 2026	51-200	93 contacts →
	Exact match “Technuf is a Maryland-based technology company delivering secure, intelligent, and mission-ready solutions for federal agencies, state and local governments, healthcare…” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
11	SPS Consulting, LLC	Exact match	Rockville, MD, United StatesHQ recorded Sep 16, 2026	51-200	52 contacts →
	Exact match “At SPS Consulting, we’re giving customers the "Right Expertise at the Right Time".” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
12	Barnallen Technologies, INC	Exact match	Rockville, MD, United StatesHQ recorded Sep 16, 2026	201-500	51 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
13	Veterans Engineering	Exact match	Rockville, MD, United StatesHQ recorded Sep 16, 2026	51-200	42 contacts →
	Exact match “Veterans Engineering (VE) is dedicated to aiding Federal agencies and commercial entities in pursuing Emerging Technologies, Cloud Computing, Enterprise Technology Strategy…” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
14	A-Tech Systems, INC	Exact match	Rockville, MD, United StatesHQ recorded Sep 16, 2026	51-200	40 contacts →
	Exact match “A-Tech Systems, Inc.(A-Tech) is a services firm comprised of skilled professionals with extensive experience in IT support services, information assurance, cyber security…” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
15	VARIQ	Exact match	Rockville, MD, United StatesHQ recorded Sep 16, 2026	201-500	38 contacts →
	Exact match “Founded in 2003, VariQ is a multiple award-winning company delivering Cybersecurity, Cloud and Software Development services to 20+ federal, state and local government departments…” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
16	E-Infosol LLC	Exact match	Rockville, MD, United StatesHQ recorded Sep 16, 2026	51-200	30 contacts →
	Exact match “E-INFOSOL is an SBA 8a and Service-Disabled and Veteran-Owned Small Business (SDVOSB) located in the Washington, D.C.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
17	Infostructures, INC	Exact match	Rockville, MD, United StatesHQ recorded Sep 16, 2026	51-200	30 contacts →
	Exact match “InfoStructures' mission is to apply technology to better the workplace.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
18	Cta, INC	Exact match	Rockville, MD, United StatesHQ recorded Sep 16, 2026	51-200	26 contacts →
	Exact match “Computer Technology Associates (CTA) is an information technology engineering firm providing systems services and advanced technology solutions in support of mission-critical…” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
19	Global Solutions Network, INC	Exact match	Rockville, MD, United StatesHQ recorded Sep 16, 2026	51-200	22 contacts →
	Exact match “Global Solutions Network, Inc.(GSN) was formed in to provide the Federal Government and the private sector with a variety of technical, administrative, and engineering services.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
20	Hyertek	Exact match	Rockville, MD, United StatesHQ recorded Sep 16, 2026	11-50	12 contacts →
	Exact match “HyerTek provides expert technology solutions for federal government clients, with a strong emphasis on innovation, integration, and automation that help enhance citizens lives.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
21	Fedstore Corporation	Exact match	Rockville, MD, United StatesHQ recorded Sep 16, 2026	11-50	4 contacts →
	Exact match “FedStore Corporation, a fast growing, award-winning provider of innovative information technology solutions to the public sector, brings a unique combination of vendors…” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
22	Vcentra	Exact match	Rockville, MD, United StatesHQ recorded Sep 16, 2026	1-10	2 contacts →
	Exact match “Vcentra provides IT consulting, development and infrastructure services to Federal Government agencies.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
23	International Technologies Trading, INC	Exact match	Rockville, MD, United StatesHQ recorded Sep 16, 2026	1-10	1 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 16, 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 contractors”. 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 23 of 34 government contractors based in Rockville, United States

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Government contractors based in Rockville, United States at a glance

As of Sep 16, 2026

33.2%Verified-email coverage

80.3Average contacts per company

51-200Median size (employees)

Sep 16, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

1,001-5,000

Email recency for this list is measured across the whole United States list rather than for Rockville, so it is reported there. Company counts and contact totals on this page are exact for Rockville, over 34 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 Rockville, United States whose business descriptions match “government contractors” 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 907 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 16, 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 contractors 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 contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many government contractors are there based in Rockville, United States?

RevenueBase identified 34 company matches for government contractors associated with Rockville, 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?

Tista Science And Technology Corporation 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 contractors?

Washington leads the United States with 116 company records, followed by Reston (85) and Alexandria (75). Rockville has 34.

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 907 professional contacts with verified work emails tracked across these 34 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 16, 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.