Top 100 IT Services Companies in Washington DC
The Best of November 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.
>List of the Best Washington DC IT Companies
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1081Undisclosed2 - 9 employeesChantilly, VADANE LLC is a data analytics company. In Chantilly, Virginia, the company was founded in 2001. Their services include BI & big data consulting & SI and IT managed services.Read More
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1082Undisclosed10 - 49 employeesGaithersburg, MDIn Gaithersburg, Maryland and Hyderabad, India, Client Software Services (CSS) is a small IT strategy consulting company. The team offers IT strategy consulting and cloud consulting & SI.Read More
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1083$1,000+10 - 49 employeesAshburn, VAHeadquartered in Ashburn, Virginia and Springboro, Ohio, OPSPro is an Accounting company. They focus on Accounting and Finance & Accounting Outsourcing (FAO) and were established in 2013.Read More
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1084Undisclosed50 - 249 employeesBaltimore, MDSteelToad, a Cybersecurity company, was launched in 2019. The team offers Cybersecurity and IT strategy consulting.Read More
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1085Undisclosed50 - 249 employeesCockeysville, MDRead More
Marketing strategy company RDA was founded in 1988. The agency specializes in marketing strategy, CRM consulting and SI, web development, e-commerce development, and more and has a midsize team. The agency is located in Cockeysville, Maryland.
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1086Undisclosed250 - 999 employeesBaltimore, MDFreight Shippers Leads is a web design agency established in 2017. The agency provides Web Design and Search Engine Optimization, and is midsize.Read More
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1087Undisclosed2 - 9 employeesUpper Marlboro, MDPhalanx Consultng and Solutions is a Business Consulting company. Their small team is headquartered in Upper Marlboro, Maryland. Their services include Business Consulting and IT strategy consulting.Read More
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1088Undisclosed2 - 9 employeesAshburn, VAVG IT Services is an IT strategy consulting company. In Tampa, Florida and Ashburn, Virginia, their team focuses on IT strategy consulting and BI & big data consulting & SI.Read More
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1089Undisclosed10 - 49 employeesAshburn, VAEstablished in 2011, Cleverspeck is a small business intelligence company. Their team focuses on BI & big data consulting & SI and cloud consulting & SI.Read More
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1090Undisclosed2 - 9 employeesHerndon, VACustom software development firm A1FED specializes in Custom Software Development and IT managed services. They are headquartered in Herndon, Virginia.Read More
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1091Undisclosed10 - 49 employeesColumbia, MDBig data company Variyas Global Solutions Inc was established in 2012. The team offers BI & big data consulting & SI and cloud consulting & SI.Read More
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1092UndisclosedFreelancer employeesOwings, MDFounded in 1999, Estes, Inc. Is a software development firm. Their team specializes in Custom Software Development and cloud consulting & SI.Read More
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1093Undisclosed10 - 49 employeesLeesburg, VANIYAMIT, Inc. Is a small custom software development firm and big data company based in Leesburg, Virginia. Their services include Custom Software Development and BI & big data consulting & SI.Read More
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1094Undisclosed2 - 9 employeesManassas, VAConrad, Inc., a small Cybersecurity company, is located in Manassas, Virginia. Their services include Cybersecurity.Read More
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1095$1,000+Freelancer employeesWest Springfield, VAVitality Labs is an artificial intelligence company. The team focuses on Artificial Intelligence and Custom Software Development and is based in West Springfield, Virginia.Read More
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1096Undisclosed50 - 249 employeesColumbia, MDPrimeSoft Solutions is a software development company established in 2006. The midsize team focuses on Custom Software Development and cloud consulting & SI.Read More
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1097Undisclosed2 - 9 employeesAldie, VALaunched in 2018, JourneyBlazers is a CRM consulting and SI company. The team specializes in CRM consulting and SI and is based in Aldie, Virginia.Read More
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1098Undisclosed10 - 49 employeesLeesburg, VAKreative Corp is a small Leesburg, Virginia-based Application Management & Support company. The team offers Application Management & Support and IT strategy consulting.Read More
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1099Undisclosed2 - 9 employeesCentreville, VAANEUKOR LLC is an Accounting and other IT consulting and SI company. They are headquartered in Centreville, Virginia and have small team. Their team provides Accounting and other IT consulting and SI.Read More
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1100Undisclosed10 - 49 employeesHerndon, VAConfiminds LLC is a small ERP consulting and SI company based in Herndon, Virginia. Their services include ERP consulting and SI and Recruitment Process Outsourcing.Read More
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1101Undisclosed2 - 9 employeesBaltimore, MDTsquared Technologies, a Digital Strategy company, was launched in 2014. Located in Baltimore, Maryland, the team focuses on Digital Strategy and IT strategy consulting.Read More
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1102$5,000+2 - 9 employeesPotomac, MDForthclover is a Generative AI company. Launched in 2025, their team focuses on Generative AI and AI Agents.Read More
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1103$5,000+2 - 9 employeesSilver Spring, MDLaunched in 2024, Gray Fox Digital is a small social media marketing firm. Their services include Social Media Marketing and Search Engine Optimization.Read More
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1104$1,000+2 - 9 employeesFairfax, VAMission Vector Adivsory, an AI Agents company, was launched in 2026. Headquartered in Fairfax, Virginia, the team focuses on AI Agents and AI Consulting.Read More
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1105$25,000+50 - 249 employeesBaltimore, MDSerigor Inc is a midsize custom software development company headquartered in Baltimore, Maryland. Their services include Custom Software Development and IT managed services.Read More
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1106Undisclosed10 - 49 employeesPotomac Falls, VAHeadquartered in Potomac Falls, Virginia, TJ Westlake, LLC is an Advertising company. Established in 2007, the team focuses on Advertising and Branding.Read More
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1107Undisclosed10 - 49 employeesColumbia, MDA P Ventures, LLC is a Business Consulting company. The Columbia, Maryland-based firm was launched in 2006. Their services include Business Consulting and HR Consulting.Read More
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1108Undisclosed50 - 249 employeesBaltimore, MDReliaSource, a Cybersecurity and IT managed services company, is headquartered in Baltimore, Maryland. They focus on Cybersecurity and IT managed services.Read More
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1109Undisclosed10 - 49 employeesColumbia, MDInnovative Advanced Solutions, LLC is a Cybersecurity company. They are in Columbia, Maryland. Their team specializes in Cybersecurity and Business Consulting.Read More
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1110Undisclosed2 - 9 employeesWaldorf, MDCarter-Lambert Divisions, LLC is a Cybersecurity company located in Waldorf, Maryland. They focus on Cybersecurity and Custom Software Development.Read More
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