Company lists · Data refreshed September 2026

Top 25 Federal systems integrators based in Rockville, United States

Name: Federal systems integrators based in Rockville, United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 21, 2026 40 companies tracked

RevenueBase identified 40 federal systems integrators headquartered in Rockville, United States as of September 2026 and tracks 2,183 professional contacts across them, including 866 with verified work emails. Washington is the largest hub.

This list covers federal systems integrators headquartered in Rockville, 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 21, 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 21, 2026 86% judged on-target in blind review

40Companies

2,183Contacts tracked

866Verified emails

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The 25 largest federal systems integrators based in Rockville, United States

Ranked by team size

Top 25 of 40 federal systems integrators based in Rockville, United States, ranked by team size, largest first. Data refreshed Sep 21, 2026. RevenueBase Smart Search rates how each company's information relates to federal systems integrators: 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.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	Tista Science And Technology Corporation	Partial evidence	Rockville, MD, United StatesHQ checked Sep 21, 2026	1,001-5,000	543 contacts →
	Partial evidence “Since 2005, TISTA has been a trusted partner with innovative IT solutions for the federal government.” Source: RevenueBase Database · checked Sep 21, 2026
2	Feditc	Indirect evidence	Rockville, MD, United StatesHQ checked Sep 21, 2026	201-500	296 contacts →
	Indirect evidence “Founded in 2003, FEDITC, LLC is an ISO and CMMI level 3 certified cyber security, IT, and engineering services firm.” Source: RevenueBase Database · checked Sep 21, 2026
3	Lcg, INC	Indirect evidence	Rockville, MD, United StatesHQ checked Sep 21, 2026	201-500	198 contacts →
	Indirect evidence “LCG is a leading provider of technology and solution-based consulting services, including managed infrastructure & operations, application services, cybersecurity, grant…” Source: RevenueBase Database · checked Sep 21, 2026
4	Caelum Research Corporation	Partial evidence	Rockville, MD, United StatesHQ checked Sep 21, 2026	51-200	194 contacts →
	Partial evidence “Caelum Research Corporation is a dynamic, broad-based professional service firm providing Applied Sciences, Information Technology, and System Engineering services to government…” Source: RevenueBase Database · checked Sep 21, 2026
5	Information Systems Solutions, INC	Partial evidence	Rockville, MD, United StatesHQ checked Sep 21, 2026	201-500	152 contacts →
	Partial evidence “ISS is an innovative information technology (IT) services and solutions provider to the Department of Defense (DoD) and other federal government agencies.” Source: RevenueBase Database · checked Sep 21, 2026
6	Savantage Solutions	Partial evidence	Rockville, MD, United StatesHQ checked Sep 21, 2026	51-200	127 contacts →
	Partial evidence “Savantage Solutions provides a wide range of consulting, integration, technology and support solutions and services to Federal agencies.” Source: RevenueBase Database · checked Sep 21, 2026
7	Precise Software Solutions, INC	Partial evidence	Rockville, MD, United StatesHQ checked Sep 21, 2026	51-200	125 contacts →
	Partial evidence “Precise Software Solutions, Inc.(Precise) is an agile, innovative, and mission-driven IT and digital transformation partner dedicated to helping federal agencies modernize legacy…” Source: RevenueBase Database · checked Sep 21, 2026
8	Alqimi	Indirect evidence	Rockville, MD, United StatesHQ checked Sep 21, 2026	51-200	82 contacts →
	Indirect evidence “ALQIMI is a group of curious, hungry, experienced and mission-oriented people.” Source: RevenueBase Database · checked Sep 21, 2026
9	A-Tech Systems, INC	Partial evidence	Rockville, MD, United StatesHQ checked Sep 21, 2026	51-200	40 contacts →
	Partial evidence “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…” Source: RevenueBase Database · checked Sep 21, 2026
10	Aitheras, LLC	Indirect evidence	Rockville, United StatesHQ checked Sep 21, 2026	11-50	38 contacts →
	Indirect evidence “uh-THEAR-us] means pure air in Greek, deriving from "Aither" defined by Aristotle as the "fifth element of air in continuous, circular motion.” Similarly, with continuous…” Source: RevenueBase Database · checked Sep 21, 2026
11	VARIQ	Partial evidence	Rockville, MD, United StatesHQ checked Sep 21, 2026	201-500	38 contacts →
	Partial evidence “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…” Source: RevenueBase Database · checked Sep 21, 2026
12	E-Infosol LLC	Indirect evidence	Rockville, MD, United StatesHQ checked Sep 21, 2026	51-200	30 contacts →
	Indirect evidence “E-INFOSOL is an SBA 8a and Service-Disabled and Veteran-Owned Small Business (SDVOSB) located in the Washington, D.C.” Source: RevenueBase Database · checked Sep 21, 2026
13	Infostructures, INC	Indirect evidence	Rockville, MD, United StatesHQ checked Sep 21, 2026	51-200	30 contacts →
	Indirect evidence “InfoStructures' mission is to apply technology to better the workplace.” Source: RevenueBase Database · checked Sep 21, 2026
14	Cta, INC	Partial evidence	Rockville, MD, United StatesHQ checked Sep 21, 2026	51-200	26 contacts →
	Partial evidence “Computer Technology Associates (CTA) is an information technology engineering firm providing systems services and advanced technology solutions in support of mission-critical…” Source: RevenueBase Database · checked Sep 21, 2026
15	Gormat	Partial evidence	Rockville, MD, United StatesHQ checked Sep 21, 2026	11-50	21 contacts →
	Partial evidence “Gormat is a leading provider of Cybersecurity, Information Assurance, Program Management, and System Engineering.” Source: RevenueBase Database · checked Sep 21, 2026
16	Wts, INC	Partial evidence	Rockville, MD, United StatesHQ checked Sep 21, 2026	51-200	12 contacts →
	Partial evidence “WTS is a growing integration, consulting and engineering firm that specializes in federal IT solutions.” Source: RevenueBase Database · checked Sep 21, 2026
17	Hyertek	Partial evidence	Rockville, MD, United StatesHQ checked Sep 21, 2026	11-50	12 contacts →
	Partial evidence “HyerTek provides expert technology solutions for federal government clients, with a strong emphasis on innovation, integration, and automation that help enhance citizens lives.” Source: RevenueBase Database · checked Sep 21, 2026
18	Systems Integration & Development, INC	Partial evidence	Rockville, MD, United StatesHQ checked Sep 21, 2026	51-200	7 contacts →
	Partial evidence “Founded in 1991, Systems Integration & Development, Inc.(SID) delivers state-of-the-art, cost-effective solutions to public and private sector clients.” Source: RevenueBase Database · checked Sep 21, 2026
19	Astragaze Inc. SBA Certified Edwosb AWS Partner Cloud Migration & Solutions	Indirect evidence	Rockville, MD, United StatesHQ checked Sep 21, 2026	11-50	5 contacts →
	Indirect evidence “Astragaze Inc, an SBA EDWOSB certified, 100% minority-owned Information Technology & Cyber Security company with extensive experience designing, developing and managing…” Source: RevenueBase Database · checked Sep 21, 2026
20	Fedstore Corporation	Indirect evidence	Rockville, MD, United StatesHQ checked Sep 21, 2026	11-50	4 contacts →
	Indirect evidence “FedStore Corporation, a fast growing, award-winning provider of innovative information technology solutions to the public sector, brings a unique combination of vendors…” Source: RevenueBase Database · checked Sep 21, 2026
21	Csmart Solutions, INC	Indirect evidence	Rockville, MD, United StatesHQ checked Sep 21, 2026	1-10	3 contacts →
	Indirect evidence Source: RevenueBase Database · checked Sep 21, 2026
22	Defense Technology Integration	Indirect evidence	Rockville, MD, United StatesHQ checked Sep 21, 2026	11-50	3 contacts →
	Indirect evidence “IT Professional Services” Source: RevenueBase Database · checked Sep 21, 2026
23	Hana Strategies, INC	Indirect evidence	Rockville, MD, United StatesHQ checked Sep 21, 2026	11-50	3 contacts →
	Indirect evidence Source: RevenueBase Database · checked Sep 21, 2026
24	Vcentra	Partial evidence	Rockville, MD, United StatesHQ checked Sep 21, 2026	1-10	2 contacts →
	Partial evidence “Vcentra provides IT consulting, development and infrastructure services to Federal Government agencies.” Source: RevenueBase Database · checked Sep 21, 2026
25	Fortabyte Cyber Solutions	Indirect evidence	Rockville, MD, United StatesHQ checked Sep 21, 2026	11-50	2 contacts →
	Indirect evidence “IT Services provider, specializing in Cyber Security Services.” Source: RevenueBase Database · checked Sep 21, 2026

RevenueBase Smart Search

RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: federal systems integrators. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.

Strong evidence: The company's own public description of its business names federal systems integrators.
Partial evidence: Its own public description names part of federal systems integrators, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name federal systems integrators. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.

RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.

Showing 25 of 40 federal systems integrators based in Rockville, United States

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Federal systems integrators based in Rockville, United States at a glance

As of Sep 21, 2026

39.7%Verified-email coverage

54.6Average contacts per company

11-50Median size (employees)

325.0%Largest-city concentration · Washington

Sep 21, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

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 40 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 federal systems integrators, 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 Rockville, United States whose own description of what they do matches “federal systems integrators”. 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 federal systems integrators), 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 federal systems integrators, and records with no verified work email. Companies headquartered outside Rockville 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, 866 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 21, 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.

Federal systems integrators 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 federal systems integrators, 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 federal systems integrators are there based in Rockville, United States?

RevenueBase identified 40 federal systems integrators headquartered in Rockville, 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?

Tista Science And Technology Corporation, headquartered in Rockville, tops this list with the largest team on record.

Which city has the most federal systems integrators?

Washington leads with 130 headquartered companies, followed by Reston (114) and Herndon (84).

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 866 verified decision-maker contacts tracked across these 40 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 21, 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.