Company lists · Data refreshed September 2026
Top 25 Government IT companies based in Columbia, United States
RevenueBase identified 81 government IT companies headquartered in Columbia, United States as of September 2026 and tracks 3,560 professional contacts across them, including 1,346 with verified work emails. Washington is the largest hub.
This list covers government IT companies headquartered in Columbia, 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 19, 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.
The 25 largest government IT companies based in Columbia, United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 611 contacts → | ||||
Partial evidence “Since 1988, PSI teams have provided our government customers with innovative, cost effective solutions that solve today’s complex challenges, improve operational efficiencies, and…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 2 | 418 contacts → | ||||
Indirect evidence “FEI Systems is a leading information technology, services, and analysis organization.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 3 | 212 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 4 | 138 contacts → | ||||
Partial evidence “FTSG was founded with the idea of building a company in which IT professionals have the 'Freedom' to be creative and innovative.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 5 | 119 contacts → | ||||
Partial evidence “SealingTech, a Parsons Company, rapidly delivers innovative, agile cybersecurity solutions that modernize, protect, and defend the networks and systems of the federal government…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 6 | 106 contacts → | ||||
Indirect evidence “Welcome to Synergy ECP, the most trusted partner in navigating the complex landscape of cybersecurity and digital transformation.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 7 | 95 contacts → | ||||
Partial evidence “GP Strategies Government Solutions, a subsidiary of GP Strategies Corporation, specializes in supporting federal, state, and local government agencies, defense contractors and…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 8 | 94 contacts → | ||||
Indirect evidence “We build teams of AI engineers, developers, analysts, designers, and data scientists to create and take responsibility for the success of critical intelligence projects.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 9 | 89 contacts → | ||||
Partial evidence “At APV, we are a mission-driven powerhouse that transforms organizations through advanced technology and innovative IT solutions.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 10 | 88 contacts → | ||||
Indirect evidence “SilverEdge, An SAIC Company, is a next generation provider of innovative and proprietary cybersecurity, software, and intelligence solutions for the Defense and Intelligence…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 11 | 87 contacts → | ||||
Indirect evidence “Quotient Inc.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 12 | 75 contacts → | ||||
Indirect evidence “We are always striving to "Bring Digital Transformation to the Fight".” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 13 | 74 contacts → | ||||
Indirect evidence “Next Phase Solutions and Services (Next Phase) is rethinking problem solving.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 14 | 72 contacts → | ||||
Indirect evidence “SCD exists to provide innovative, technologically superior information technology solutions to business professionals and defense agencies in the Baltimore, Washington and…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 15 | 60 contacts → | ||||
Indirect evidence “Visit MasterPeace Solutions company website here- MasterPeace Solutions has emerged as one of the fastest growing advanced technology companies in the Mid-Atlantic region.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 16 | 58 contacts → | ||||
Indirect evidence “JASINT is a Maryland based Limited Liability Company that began its business operations and staffing in July 2007.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 17 | 58 contacts → | ||||
Partial evidence “Alliance Global Tech Inc.(AGT), a minority-owned and SBA Small Business Certified 8(a) CMMI Level 3 Service & Development IT services company, stands at the forefront of…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 18 | 57 contacts → | ||||
Indirect evidence “Clear Ridge Defense, headquartered in Columbia, MD, is a boutique cyberspace operations defense contracting firm that specializes in acquiring full-spectrum cyberspace talent in…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 19 | 56 contacts → | ||||
Indirect evidence “KTG is an SBA-verified Service-Disabled, Veteran-Owned Small Business with more than two decades of proven success supporting the United States, federal, state, and local…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 20 | 55 contacts → | ||||
Strong evidence “Whether you’re seeking IT solutions or telecommunications and cabling, Visual Connections offers a spectrum of services to meet the needs of government and commercial clients.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 21 | 45 contacts → | ||||
Indirect evidence “Avid Technology Professionals, LLC (ATP) is a premiere provider of software and systems engineering, and acquisition program management services for the community.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 22 | 40 contacts → | ||||
Indirect evidence “Reflexive Concepts is a Baltimore-based small business dedicated to providing the Intelligence Community, Department of Defense, and industry partners with top-tier technology…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 23 | 37 contacts → | ||||
Indirect evidence “Legato, LLC is.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 24 | 33 contacts → | ||||
Indirect evidence “2HB Software Design, Inc, d/b/a 2HB Incorporated, was founded in 1994 and has established itself as a premier service provider for over 29+ years supporting the intelligence…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 25 | 31 contacts → | ||||
Indirect evidence “Applied Integrated Technologies, Inc.(AIT) is dedicated to providing specialized services in the Cyber Security, Information Technology, Intel Analysis, and Linguist Services…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
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: government IT companies. 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 government IT companies.
- Partial evidence
- Its own public description names part of government IT companies, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name government IT companies. 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 81 government IT companies based in Columbia, United States
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Government IT companies based in Columbia, United States at a glance
As of Sep 19, 2026Companies by employee count
Email recency for this list is measured across the whole United States list rather than for Columbia, so it is reported there. Company counts and contact totals on this page are exact for Columbia, over 81 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 government IT companies, 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 Columbia, United States whose own description of what they do matches “government IT companies”. 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 government IT companies), 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 government IT companies, and records with no verified work email. Companies headquartered outside Columbia 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, 1,346 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 19, 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.
Government IT companies by metro in the United States
- Government IT companies in Washington222
- Government IT companies in Reston170
- Government IT companies in Herndon120
- Government IT companies in Fairfax117
- Government IT companies in Arlington112
- Government IT companies in New York112
- Government IT companies in Mclean106
- Government IT companies in Alexandria96
- Government IT companies in Chantilly95
- Government IT companies in Houston89
- Government IT companies in Vienna87
- Government IT companies in Columbia81
- Government IT companies in Atlanta76
- Government IT companies in Leesburg72
- Government IT companies in Huntsville66
- Government IT companies in Ashburn65
- Government IT companies in San Antonio65
- Government IT companies in Rockville63
- Government IT companies in Austin62
- Government IT companies in Miami60
- Government IT companies in Dallas56
- Government IT companies in San Diego55
- Government IT companies in Baltimore53
- Government IT companies in Chicago49
- Government IT companies in Tampa47
- Government IT companies in Bethesda44
- Government IT companies in Falls Church41
- Government IT companies in Sterling36
- Government IT companies in Bowie34
- Government IT companies in Springfield32
- Government IT companies in Manassas31
- Government IT companies in Silver Spring30
- Government IT companies in Las Vegas29
- Government IT companies in Colorado Springs28
- Government IT companies in Woodbridge28
- Government IT companies in Los Angeles27
- Government IT companies in Charlotte25
- Government IT companies in Gaithersburg25
- Government IT companies in Plano25
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 government IT companies, 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 government IT companies are there based in Columbia, United States?
RevenueBase identified 81 government IT companies headquartered in Columbia, 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?
Planned Systems International, headquartered in Columbia, tops this list with the largest team on record.
Which city has the most government IT companies?
Washington leads with 222 headquartered companies, followed by Reston (170) and Herndon (120).
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 1,346 verified decision-maker contacts tracked across these 81 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 19, 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.
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