Top 100 IT Services Companies in Washington DC
The Best of March 2026Looking for a top IT services company in Washington, DC?
IT Services are the operations that ensure the machine you rely on continues to function. There are essential to any business and we've compiled a list of the best teams in Washington DC for you to review.
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List of the Best Washington DC IT Companies
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871Undisclosed10 - 49 employeesOdenton, MDSpatialGIS is a big data analytics company established in 2016. The team provides BI & big data consulting & SI.Read More
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872Undisclosed50 - 249 employeesColumbia, MDCOMSO, Inc., a Cybersecurity company, was established in 1988. The team specializes in Cybersecurity and IT managed services and is located in Grovetown, Georgia and Columbia, Maryland.Read More
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873$5,000+10 - 49 employeesHerndon, VAXpand Corporation is an IT managed services company. Established in 1991, the firm is located in Herndon, Virginia. Their team focuses on IT managed services and Content Marketing.Read More
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874Undisclosed10 - 49 employeesAnnapolis, MDFounded in 1987, ICSI is a small IT managed services company. Their services include IT managed services and Cybersecurity.Read More
Industries
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875$25,000+Freelancer employeesAlexandria, VAFounded in 2022, Fjord Consulting Group LLC, a small Business Consulting company, is based in Alexandria, Virginia. Their services include Business Consulting and Market Research.Read More
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876$1,000+10 - 49 employeesOwings Mills, MDRead More
Computer Services Unlimited is an IT service firm based in Owings Mills, Md. The 8-employee firm was founded in 2004 and focuses on IT managed services, web development, web design, and IT strategy consulting.
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877Undisclosed10 - 49 employeesLeesburg, VARevTek Solutions, LLC is a Cybersecurity company in Leesburg, Virginia. They focus on Cybersecurity and Digital Strategy.Read More
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878$25,000+50 - 249 employeesHerndon, VARed Arch Solutions is a software development company. Their team is based in Columbia, Maryland and Herndon, Virginia. The agency specializes in Custom Software Development and cloud consulting & SI.Read More
Clients
National Security AgencyIndustries
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879Undisclosed10 - 49 employeesGaithersburg, MDI-VisioNET, Inc. Is a Cybersecurity company launched in 2000. The company specializes in Cybersecurity and Custom Software Development.Read More
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880Undisclosed10 - 49 employeesGreat Falls, VAEquinoxys, an IT managed services and Business Consulting company, is in Great Falls, Virginia. Established in 2005, the team provides IT managed services and Business Consulting.Read More
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881Undisclosed10 - 49 employeesFairfax, VAG2 Innovative Solutions, Inc., a software development firm, was launched in 2013. The team specializes in Custom Software Development and Cybersecurity and is headquartered in Fairfax, Virginia.Read More
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882Undisclosed2 - 9 employeesAlexandria, VAStrac Software Solutions Incorporated is a small Alexandria, Virginia-based Cybersecurity company. Their services include Cybersecurity and Custom Software Development.Read More
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883Undisclosed10 - 49 employeesLaurel, MDLocated in Laurel, Maryland, Strategic Analytix is a small Cybersecurity company. The team provides Cybersecurity and Financial Advising & Planning.Read More
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884Undisclosed10 - 49 employeesDulles, VAHeadquartered in Dulles, Virginia, TRIAEM, LLC is a custom software development firm. They provide Custom Software Development and Corporate Training & Coaching.Read More
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885Undisclosed10 - 49 employeesRockville, MDBNL Consulting, a big data analytics company, provide BI & big data consulting & SI and cloud consulting & SI. They were launched in 2007.Read More
Industries
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886Undisclosed10 - 49 employeesHanover, MDProphasys, LLC is a custom software development firm. Headquartered in Hanover, Maryland, their team offers Custom Software Development and cloud consulting & SI.Read More
Industries
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887Undisclosed10 - 49 employeesReston, VAKeya Incorporated is a Cybersecurity company. Their small team is in Reston, Virginia. Their services include Cybersecurity.Read More
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888Undisclosed50 - 249 employeesGaithersburg, MDIn Gaithersburg, Maryland, DecisionPoint Corporation is an IT strategy consulting company. Launched in 2011, the team offers IT strategy consulting and BI & big data consulting & SI.Read More
Industries
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889Undisclosed50 - 249 employeesBurke, VAFirst Division Consulting Inc. Is an IT managed services company based in Burke, Virginia. They offer IT managed services and Market Research and were established in 2012.Read More
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890Undisclosed10 - 49 employeesGaithersburg, MDData analytics company and custom software development company Tricon Solutions LLC was established in 2015. The firm provides BI & big data consulting & SI and Custom Software Development.Read More
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891Undisclosed250 - 999 employeesHerndon, VAGuidePoint Security is a Cybersecurity company. They are in Herndon, Virginia and Tampa, Florida and have midsize team of experts. Their services include Cybersecurity and IT managed services.Read More
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892Undisclosed50 - 249 employeesAnnapolis, MDThe Squires Group, an Accounting company, was founded in 1995. The company focuses on Accounting and ERP consulting and SI, and is midsize.Read More
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893Undisclosed50 - 249 employeesColumbia, MDWinningEdge Solutions LLC is a big data analytics company. They are headquartered in Columbia, Maryland and have midsize team. They focus on BI & big data consulting & SI and cloud consulting & SI.Read More
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894$1,000+10 - 49 employeesGaithersburg, MDDecisionPath Consulting is a big data analytics company. Located in Gaithersburg, Maryland, the team focuses on BI & big data consulting & SI.Read More
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895Undisclosed50 - 249 employeesLeesburg, VATCI a Xenith Solutions Company is an IT strategy consulting company in Leesburg, Virginia. They offer IT strategy consulting and Cybersecurity and were founded in 1983.Read More
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896Undisclosed10 - 49 employeesBowie, MDGavant Inc. Is an IT strategy consulting company. The team specializes in IT strategy consulting and is located in Bowie, Maryland.Read More
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897Undisclosed10 - 49 employeesFairfax, VAAssurit is a Cybersecurity company. The Fairfax, Virginia-based firm provides Cybersecurity and IT strategy consulting.Read More
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898Undisclosed10 - 49 employeesBurke, VASmall big data company SpatialSet, is based in Burke, Virginia. Their services include BI & big data consulting & SI.Read More
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899Undisclosed2 - 9 employeesOakton, VALaunched in 2018, IOV Support Services is an IT managed services company. In Oakton, Virginia, the team provides IT managed services and Marketing Strategy.Read More
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900Undisclosed50 - 249 employeesGaithersburg, MDCloud consulting & SI and app development firm Quantum Vision LLC is based in Gaithersburg, Maryland. Launched in 2007, the team provides cloud consulting & SI and Mobile App Development.Read More
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