Top 100 IT Services Companies in Washington DC
The Best of September 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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391Undisclosed10 - 49 employeesMcLean, VAICatalyst, Inc. Is a Financial Consulting company. The McLean, Virginia-based company specializes in Financial Consulting and Cybersecurity.Read More
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392Undisclosed10 - 49 employeesFalls Church, VADynamic Pro Inc, DPI, an IT managed services and Business Consulting company, was established in 2006. The small team focuses on IT managed services and Business Consulting.Read More
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393Undisclosed10 - 49 employeesBeltsville, MDOneSource Consulting, LLC, an ERP consulting and SI company, was established in 2002. They specializes in ERP consulting and SI and IT managed services.Read More
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394Undisclosed10 - 49 employeesWashington, DCAscend Integrated is a small IT strategy consulting and Business Consulting company founded in 2013. Their team specializes in IT strategy consulting and Business Consulting.Read More
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395Undisclosed10 - 49 employeesFairfax, VAHarmonyTech is a cloud consulting & SI company. Headquartered in Fairfax, Virginia, their small team offers cloud consulting & SI and CRM consulting and SI. The company was founded in 2014.Read More
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396Undisclosed10 - 49 employeesVienna, VAMindPetal Software Solutions, Inc, a CRM consulting and SI and app development company, is located in Vienna, Virginia. They focus on CRM consulting and SI and Mobile App Development.Read More
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397Undisclosed10 - 49 employeesGreenbelt, MDSES Corporation is an IT managed services company founded in 2003. Their team offers IT managed services and Corporate Training & Coaching.Read More
Industries
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398Undisclosed10 - 49 employeesNorth Bethesda, MDIT strategy consulting and Litigation Support Services company DisputeSoft is located in North Bethesda, Maryland. They provide IT strategy consulting and Litigation Support Services.Read More
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399$25,000+2 - 9 employeesSilver Spring, MDRecruiting company Nine Mind Solutions is based in Silver Spring, Maryland. The team provides Recruiting and Cybersecurity.Read More
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400$5,000+10 - 49 employeesFairfax, VAIExcel is an Advertising company established in 2012. The agency specializes in Advertising and Digital Strategy.Read More
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401$1,000+2 - 9 employeesAlexandria, VASpartan Business Systems is an Advertising company. The team focuses on Advertising and Marketing Strategy, and the agency is located in Alexandria, Virginia.Read More
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402$5,000+2 - 9 employeesGreater Landover, MDWooMethods is a small AI Consulting company launched in 2025. Their team provides AI Consulting and CRM consulting and SI.Read More
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403$1,000+10 - 49 employeesFairfax, VALaunched in 2023, Moldotech is a website development firm. Headquartered in Fairfax, Virginia, their small team offers web development, mobile app development, application testing, ux/ui design, and more.Read More
Industries
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404$10,000+2 - 9 employeesWashington, DCCSZNet is an IT managed services company. They are based in Washington, District of Columbia and have small team. They focus on IT managed services and IT staff augmentation.Read More
Industries
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405Undisclosed50 - 249 employeesChevy Chase, MDAET Solutions, Inc. Is a custom software development firm. They focus on Custom Software Development and Cybersecurity and are located in Chevy Chase, Maryland.Read More
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406Undisclosed50 - 249 employeesWashington, DCTPM Group, LLC, an Architectural Design company, is headquartered in Washington, District of Columbia. They provide Architectural Design and IT managed services and were launched in 2009.Read More
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407Undisclosed50 - 249 employeesAlexandria, VACoreSys Consulting is a software development company. Established in 1998, the team offers Custom Software Development and Enterprise App Modernization.Read More
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408Undisclosed50 - 249 employeesAlexandria, VAProfessional Analysis, Inc. Is a software development company. Based in Alexandria, Virginia, their team focuses on Custom Software Development and IT managed services.Read More
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409Undisclosed50 - 249 employeesVienna, VAAlpha Omega Integration LLC is a custom software development company. Located in Vienna, Virginia, the firm provides Custom Software Development and BI & big data consulting & SI.Read More
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410Undisclosed50 - 249 employeesArlington, VAApextech LLC - Virginia is an Accounting company. They were founded in 2002, and their services include Accounting and Custom Software Development.Read More
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411Undisclosed50 - 249 employeesWashington, DCCSSI, an Application Management & Support company, is headquartered in Washington, District of Columbia. Their services include Application Management & Support and Business Consulting.Read More
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412Undisclosed50 - 249 employeesMcLean, VACreative Systems and Consulting is a software development company headquartered in McLean, Virginia. Their services include Custom Software Development and cloud consulting & SI.Read More
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413Undisclosed50 - 249 employeesMcLean, VAINADEV Corporation, a custom software development firm, is in McLean, Virginia. The team specializes in Custom Software Development and Mobile & App Marketing.Read More
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414Undisclosed50 - 249 employeesVienna, VAHalvik Corp, a Cybersecurity company, was launched in 2007. Headquartered in Vienna, Virginia, the team offers Cybersecurity and Business Consulting.Read More
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415Undisclosed50 - 249 employeesGreenbelt, MDFinancial Advising & Planning company X3M Systems is headquartered in Greenbelt, Maryland. Their services include Financial Advising & Planning and cloud consulting & SI.Read More
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416Undisclosed50 - 249 employeesMcLean, VALewis-Price & Associates, Inc. Is a Business Consulting company. The McLean, Virginia-based firm was launched in 2003. Their team offers Business Consulting and Corporate Training & Coaching.Read More
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417Undisclosed50 - 249 employeesWashington, DCFederal Management Systems, Inc. Is an Accounting company established in 1990. Located in Washington, District of Columbia, the team specializes in Accounting and IT managed services.Read More
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418Undisclosed50 - 249 employeesArlington, VAESC, Inc. Is a Corporate Training & Coaching company. They were founded in 1992 and specialize in Corporate Training & Coaching and Cybersecurity.Read More
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419Undisclosed50 - 249 employeesAlexandria, VAGravitate Solutions is a software development company launched in 2007. The team offers Custom Software Development and BI & big data consulting & SI.Read More
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420Undisclosed50 - 249 employeesArlington, VABAM Technologies is a web design company. The Arlington, Virginia-based team provides Web Design and Web Development.Read More
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