Top 100 IT Services Companies in Washington DC
The Best of December 2025Looking 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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$10,000+50 - 249 employeesL'viv, UkraineRead More
Founded in 2019, Uinno is an artificial intelligence firm. The midsize team specializes in Artificial Intelligence, Custom Software Development, Low/No Code Development, UX/UI Design, and more. The company is based in L'viv, Ukraine; Tallinn, Estonia; Kingston upon Thames, England and Zaporizhzhia, Ukraine.
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$1,000+50 - 249 employeesNaperville, ILRead More
BetterWorld Technology is a midsize IT managed services company launched in 2003. Their services include IT managed services, Cybersecurity, IT strategy consulting, and Compliance Consulting. The company is headquartered in Naperville, Illinois; Naperville, Illinois; Winter Park, Florida and Denver, Colorado.
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121Undisclosed250 - 999 employeesFalls Church, VASartech System, an IT strategy consulting company, was founded in 2020. In Falls Church, Virginia, the team specializes in IT strategy consulting and cloud consulting & SI.Read More
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122$5,000+10 - 49 employeesArlington, VACybersecurity company Ruleset Security LLC was established in 2024. The small team provides Cybersecurity and cloud consulting & SI.Read More
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123Undisclosed2 - 9 employeesTysons, VAMivarii Consulting is an ERP consulting and SI company. The company is headquartered in Tysons, Virginia. Their services include ERP consulting and SI and IT staff augmentation.Read More
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124$1,000+2 - 9 employeesAlexandria, VADephiant Consulting Inc. Is an IT strategy consulting company. Headquartered in Alexandria, Virginia, the team offers IT strategy consulting and CRM consulting and SI.Read More
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125$1,000+50 - 249 employeesMcLean, VASecureCloud IQ is a cloud consulting & SI company. They are located in McLean, Virginia, and their services include cloud consulting & SI and Cybersecurity.Read More
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126$5,000+50 - 249 employeesMcLean, VAJanBask IT Consulting Services, an AI Consulting company, was established in 2010. They focuses on AI Consulting and Artificial Intelligence.Read More
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127Undisclosed10 - 49 employeesArlington, VAEminent IT LLC is an Enterprise App Modernization company. Based in Arlington, Virginia, the company was launched in 2009. Their services include Enterprise App Modernization and IT managed services.Read More
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128$10,000+250 - 999 employeesReston, VARead More
Tkxel, a custom software development firm, is headquartered in Reston, Virginia and Reston, Virginia. Launched in 2008, the midsize team offers Custom Software Development, Artificial Intelligence, AI Consulting, CRM consulting and SI, and more.
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ABBIndustries
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129$1,000+10 - 49 employeesFalls Church, VACybersecurity company SecurifyAI specializes in Cybersecurity and Custom Software Development. They are headquartered in Falls Church, Virginia.Read More
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130$5,000+50 - 249 employeesWashington, DCGuscorp is a midsize Washington, District of Columbia-based cybersecurity company. They focus on cybersecurity, cloud consulting & SI, web design, branding, and more and were established in 2016.Read More
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131$10,000+2 - 9 employeesWashington, DCCustom software development company KOALINGO was founded in 2019. Located in Washington, District of Columbia, the team specializes in Custom Software Development and cloud consulting & SI.Read More
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132$50,000+10 - 49 employeesWashington, DCFíonta is a CRM consulting and SI company. Located in Washington, District of Columbia, the team specializes in CRM consulting and SI and Other Marketing.Read More
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133$25,000+2 - 9 employeesAlexandria, VALe Marais Advisory (LMA) is a small AI Consulting company headquartered in Alexandria, Virginia. Their services include AI Consulting and IT strategy consulting.Read More
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134$50,000+250 - 999 employeesArlington, VAZigron is a DevOps Managed Services company founded in 2006. Their team focuses on DevOps Managed Services and IT staff augmentation.Read More
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135$1,000+50 - 249 employeesReston, VARead More
Constellix is a DNS management service based out of Reston, Va. Founded in 2015, their team of over 50 employees provide various services, the main ones being cloud consulting, systems integration, IT managed services, and cybersecurity. Their clients include small and medium-sized as well as enterprise-level businesses in IT and other industries.
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LinuxIndustries
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136$1,000+50 - 249 employeesSterling, VARead More
Based in Sterling, Virginia, Infomatics Corp is a data analytics company. The midsize company was established in 2005. Their team focuses on BI & big data consulting & SI, cloud consulting & SI, IT managed services, custom software development, and more.
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AnthemIndustries
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137Undisclosed50 - 249 employeesArlington, VADefinitive Logic is a Business Consulting company. They are based in Arlington, Virginia. Their team provides Business Consulting and IT strategy consulting.Read More
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138$10,000+50 - 249 employeesReston, VASTS Software, a custom software development company, was launched in 2021. Their midsize team is located in Reston, Virginia. Their services include Custom Software Development, IT strategy consulting, IT managed services, IT staff augmentation, and more.Read More
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139$10,000+2 - 9 employeesWashington, DCEdgeworth Analytics is a big data company. They are based in Washington, District of Columbia and Pasadena, California. Their team specializes in BI & big data consulting & SI and HR Consulting.Read More
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140$5,000+50 - 249 employeesLorton, VARead More
Established in 2010, cBEYONData (formerly DCS Consulting) is a data analytics company, offering business intelligence (BI) and Big Data consulting and system integration to companies in the government, education, and financial services industries. They specialize in SAP and focus on operations and process improvement, security, and risk management. The team of just more than 30 employees is based in Lorton, V.a. – right outside Washington, D.C.
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The United States Marshals ServicesIndustries
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141Undisclosed10 - 49 employeesTakoma Park, MDPzmeer is a Sales Outsourcing company established in 2021. Their services include Sales Outsourcing and Market Research.Read More
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142$1,000+10 - 49 employeesSilver Spring, MDCalectia Digital marketing Agency is an IT strategy consulting company. Located in Silver Spring, Maryland, their team specializes in IT strategy consulting and IT managed services.Read More
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143$100,000+50 - 249 employeesWashington, DCIdeaCrew is a Washington, District of Columbia-based website development firm. Founded in 2002, the team offers Web Development and Custom Software Development.Read More
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144$10,000+10 - 49 employeesGaithersburg, MDRead More
Boost Labs is a data-focused technology firm based in Gaithersburg, Md. Founded in 2009, this company has 12 employees. Services provided by Boost Labs include big data consulting, custom software development, and UI/UX design.
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TrueCarIndustries
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145$50,000+250 - 999 employeesHerndon, VARead More
Vizuri is a development and computer software company based in Herndon, Va. They were founded in 1986 and have a team of around 250 employees. Their services include custom software development, IT staff augmentation, and IT strategy consulting.
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AetnaIndustries
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146$10,000+10 - 49 employeesWashington, DCBig data analytics company DataCraft Collective was established in 2019. The team focuses on BI & big data consulting & SI and Content Moderation Services and is in Washington, District of Columbia.Read More
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147Undisclosed50 - 249 employeesMcLean, VATechnoMile, a cloud consulting & SI company, was established in 2010. The company offers cloud consulting & SI and CRM consulting and SI.Read More
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148$25,000+50 - 249 employeesWashington, DCThe Chertoff Group is a midsize Cybersecurity company launched in 2009. Their team focuses on Cybersecurity and IT strategy consulting.Read More
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149$10,000+1,000 - 9,999 employeesAlexandria, VARapid7 is a Cybersecurity company. Their large team is in Boston, Massachusetts and Manhattan Beach, California. Their services include Cybersecurity and IT managed services.Read More
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150$25,000+50 - 249 employeesVienna, VAExceptional Software Strategies, a software development company and Cybersecurity company, was launched in 1996. The team offers Custom Software Development and Cybersecurity.Read More
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NASAIndustries
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