Top 100 IT Services Companies in the United States

Virtue Security is an application penetration testing company based in New York. The company, founded in 2012, has a team of around ten that provides cybersecurity services to small and mid-market companies in the financial services, health care & medical, and energy & natural resources industries.

Inventive is a custom software development firm based in Austin, Texas. Founded in 2016, this company has 23 employees. Services provided by Inventive include custom software development, cloud consulting, and mobile app development for businesses of all sizes.

Xantrion is a cybersecurity company. They are in Oakland, California and have a midsize team. The agency offers cybersecurity, IT managed services, cloud consulting & SI, and IT strategy consulting.

Data-Sleek, a big data company, was launched in 2020. Based in Los Angeles, California, their small team provides BI & big data consulting & SI and web development.

Liaison Technologies is an IT firm based in Alpharetta, GA, with offices in Tampere, Finland, and St. Louis, Mo. Founded in 2000, Liaison Technologies' team of 500+ employees provides cloud consulting, SI and IT managed services.

Pointivity Managed Solutions is an IT managed services agency in San Diego. Founded in 2001, they have about 17 employees that serve mostly midmarket and small-business clients in a wide range of sectors. Services include cloud consulting, IT consulting and SI, as well as IT strategy.

Diaz & Cooper is a digital marketing company headquartered in Coral Gables, Fla. They have about 18 employees. Since 2001, they have provided advertising, branding, and digital strategy services to primarily small businesses in the health care and medical, hospitality and leisure, and business services industries.

CloudGeometry is a cloud consulting & SI company. The midsize Sunnyvale, California-based team specializes in cloud consulting & SI, IT managed services, other IT consulting and SI, custom software development, and more. The agency was established in 2007.

KME Systems is a small IT managed services company launched in 1993. Their services include IT managed services, IT strategy consulting, and cloud consulting & SI. The company is headquartered in Lake Forest, California.

Kingsmen Digital Ventures is a custom software development firm established in 2017. Their small team is based in Irvine, California and provides custom software development, ux/ui design, mobile app development, and web development.

ITNow is an IT services provider founded in 1997. They are headquartered in Pleasant Grove, Utah, with a secondary location in Salt Lake City. Their 29-person team offers IT managed services, IT staff augmentation, and cloud consulting and SI. They primarily serve small businesses in the healthcare, nonprofit, and legal industries. 

3Q Digital is a digital marketing and strategic consulting agency headquartered in San Mateo, Calif. with additional offices in San Diego, San Francisco, Chicago, New York, Burlington, Vt., Austin, Texas, and Raleigh, N.C. Their staff consists of over 250 experts in SEO, social media marketing, and analytics.

West Advanced Technologies Inc is a midsize Sacramento, California-based cybersecurity company. The team specializes in cybersecurity, IT staff augmentation, cloud consulting & SI, and IT managed services.

Located in Austin, EBQ has a team of around 250 working with clients in the IT, advertising, and business industries. They provide voice services, CRM consulting, and email marketing expertise to clients looking for B2B lead generation and appointment setting.

Proper Sky is an IT firm founded in 2006 in Glenside, Pa. With more than 10 members, they are experts in IT managed services, IT strategy consulting, and cybersecurity services for small and mid-market firms that work in industries such as non-profit, health care, and more.

Sentry IT, LLC is an IT strategy consulting company headquartered in Roswell, Georgia. The small agency was established in 2017. Their team focuses on IT strategy consulting, IT managed services, enterprise app modernization, cybersecurity, and more.

Established in 2020, Xabit Analytics is a business intelligence company. They are headquartered in New York, New York and Kathmandu, Nepal and have a small team. Their services include BI & big data consulting & SI, ai consulting, generative ai, and ERP consulting and SI.

Robotics Process Automation company Flobotics UiPath and RPA Development is in Munster, Indiana and Warszawa, Poland. The small team specializes in Robotics Process Automation, BI & big data consulting & SI, ERP consulting and SI, unified communications consulting & SI, and more and was established in 2019.

Small digital strategy company Lake One, is based in Minneapolis, Minnesota. They focus on digital strategy, content marketing, advertising, conversion optimization, and more and were established in 2014.

Dito is a custom enterprise cloud solutions agency founded in 2007 as one of the first authorized Google Apps resellers. Based in Manassas, Va., Dito's team of more than 60 employees provide integration with the Google Apps platform and other complimentary cloud service solutions, as well as custom software development and application management and support.

Alternis IT is a managed IT and cybersecurity broker based in San Jose, Calif., with an office in Los Angeles. The broker, founded in 2013, has more than 50 employees and provides cybersecurity, IT managed services, IT strategy consulting, and cloud consulting & SI services. Alternis IT serves small and midmarket companies in various sectors that include financial services, media, and legal.

Headspring is a full-service custom software engineering and consultancy headquartered in Austin, Texas. Founded in 2001, they design technology solutions to solve complex problems for partners across the country and have delivered over 800 projects. Headspring's services include custom software development, web development, mobile app development, cloud consulting, and enterprise app modernization.

IT Lab is a cloud consulting & SI company headquartered in Levittown, Pennsylvania. The agency specializes in cloud consulting & SI, cybersecurity, and IT managed services and has a small team.The agency was established in 2023.

White Knight Labs is a small cybersecurity and application testing company. They specialize in cybersecurity and application testing and were launched in 2017. The agency is based in Guys Mills, Pennsylvania.

Lightcrest is a consultancy based in Santa Monica, Calif., and founded in 2008. Their team of over 50 offers big data consulting, cloud consulting, and cybersecurity solutions to clients in the industries of advertising, business services, and education, among others.

A software development company, Velvetech is located just north of Chicago in Northbrook, IL. It was founded in 2004 and employs a team of around 50 development experts who specialize in custom software development, mobile app development, CRM and sales intelligence consulting, and web development for midmarket clients across a variety of industries.

KSM Consulting is a data analytics company. Their midsize team is located in Indianapolis, Indiana and Indianapolis, Indiana. The agency focuses on BI & big data consulting & SI, IT managed services, cybersecurity, IT strategy consulting, and more. The agency was founded in 2008.

Hairball.IO, a ERP consulting and SI company, was launched in 2021. Their small team is headquartered in Fort Lauderdale, Florida. The firm focuses on ERP consulting and SI, IT managed services, CRM consulting and SI, IT strategy consulting, and more.

Industrie Reply is a reply group company based in Chicago and founded in 1996. With over 1000 employees, they offer CRM consulting, logistics and supply chain consulting, and warehousing and distribution solutions to various clients.

Queryon is a business intelligence company. The small Anchorage, Alaska-based team focuses on BI & big data consulting & SI, Artificial Intelligence, Generative AI, Custom Software Development, and more. The company was launched in 2015.