Top 100 Cybersecurity Companies in the United States

ReputationDefender is a public relations firm. Their midsize team is located in Redwood City, California; Tempe, Arizona and Liverpool, United Kingdom. Their services include public relations, cybersecurity, and search engine optimization. The company was established in 2006.

Waident Technology Solutions is an IT outsourcer based in Chicago and with offices in Glen Ellyn, Ill. and Brookfield, Wis. Founded in 2004, the team of about 20 employees provides IT managed services and cybersecurity services. They primarily work with mid-market clients in the financial services, business services, and real estate industries.

Mid-Atlantic Computer Solutions is an IT solution provider based in Alexandria, VA. Founded in 2002, their 3-person team provides small businesses with IT managed services, IT strategy consulting, cloud consulting, and cybersecurity measures. 

Marlabs Inc is a digital firm that has offices in Piscataway, N.J., and Bangalore, India. Founded in 1996, Marlabs Inc's team of over 1,500 employees has over two decades of experience in CRM consulting, SI and big data consulting, and SI. The firm primarily works with mid-market and larger clients from the education, financial services, and health care industries. 

Alltek Services is a cybersecurity company launched in 2003. The small team specializes in cybersecurity, IT managed services, IT strategy consulting, cloud consulting & SI, and more. The agency is based in Lakeland, Florida.

Spectrum Technology Solutions is an IT firm based in Scottsdale, Ariz. with more than 10 employees. Founded in 2009, they offer IT managed services, cybersecurity, and cloud consulting solutions for clients in the fields of health care, dental services, and more.

Butterfly Technology, an IT strategy consulting company, was established in 2007. Their small team is in Suwanee, Georgia and specializes in IT strategy consulting, IT staff augmentation, web design, web development, and more.

BlackInk IT is an IT managed services company. They are in Indianapolis, Indiana and have a small team that specializes in IT managed services, cybersecurity, and IT strategy consulting. The company was launched in 1993.

KiZAN Technologies is a cybersecurity company based in Louisville, Ky. Founded in 1991, their team of over 90 employees provides IT consulting, big data consulting, and IT managed services.

IT strategy consulting company LTI was founded in 1997. They are based in Tampa, Florida and Milwaukee, Wisconsin and have a large team. LTI specializes in IT strategy consulting, BI & big data consulting & SI, cloud consulting & SI, and cybersecurity.

Philantech3 is a Spokane, Washington-based business consulting company. The agency offers business consulting, IT managed services, and cybersecurity and is small.The agency was launched in 2002.

IT managed services company Server At Work was established in 2012. The agency focuses on IT managed services and IT staff augmentation and has a small team. The agency is in Lake Charles, Louisiana and Austin, Texas.

Third Coast IT is a IT managed services company launched in 2002. Their small team is in Greenfield, Wisconsin and focuses on IT managed services, IT strategy consulting, and cybersecurity.

My IT Support USA is a small Cybersecurity and IT managed services company. Founded in 2023, the company is in Jacksonville, Florida. Their team focuses on Cybersecurity and IT managed services.

Advantage Technology, an IT managed services company, was established in 2001. The agency offers IT managed services, cybersecurity, IT strategy consulting, IT staff augmentation, and more and has a midsize team. The agency is based in Charleston, West Virginia; Bridgeport, West Virginia and Frederick, Maryland.

Established in 2016, Computer Services Tech is a IT managed services company. Their small team is located in Lauderdale Lakes, Florida and focuses on IT managed services, cloud consulting & SI, and cybersecurity.

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.

Cyber Defense Group is a Los Angeles, California-based cloud consulting & SI and cybersecurity company. Launched in 2016, the small team specializes in cloud consulting & SI and cybersecurity.

ITUNeed is a cybersecurity firm based in Fairfax, Va. The company, founded in 2014, has a team of less than ten that provides cybersecurity, cloud consulting & SI, IT strategy consulting, and IT managed services to small and midmarket IT companies.

LeeShanok Network Solutions is an IT managed services company launched in 1997. They are headquartered in Tucson, Arizona and Phoenix, Arizona and have a small team. The company specializes in IT managed services, IT strategy consulting, and cybersecurity.

Cybersecurity company Cleared Systems is headquartered in Fairfax, Virginia. The small firm was founded in 2019. Their services include cybersecurity, IT strategy consulting, cloud consulting & SI, and IT managed services.

IT strategy consulting company Meriplex Communications was established in 2001. In Houston, Texas, their midsize team focuses on IT strategy consulting, cloud consulting & SI, cybersecurity, and IT managed services.

Cybersecurity company Portola Systems, Inc is headquartered in Santa Rosa, California. The small agency was established in 1994. Their team focuses on cybersecurity, IT managed services, IT strategy consulting, cloud consulting & SI, and more.

Layer8 Consulting, Inc., a cybersecurity company, was launched in 2002. They are in Westminster, Maryland and have a small team. Layer8 Consulting, Inc. Focuses on cybersecurity, IT strategy consulting, IT managed services, IT staff augmentation, and more.

Monroe IT is a managed IT service provider founded in 2018 and headquartered in Monroe, Mich. With a team of about 5 employees, they offer managed IT services including help desk, computer networking, IT consulting, cybersecurity, cloud solutions, and more to small and mid-sized businesses in various industries.

Launched in 2006, SilkWeb Consulting & Development LLC is a corporate training company. The firm provides corporate training, cybersecurity, ux/ui design, video production, and more and has a small team.

TECHBLEED is a managed service provider based in Glendale, Calif. with more than two experts. Founded in 2019, they specialize in IT strategy consulting, IT managed services and cybersecurity solutions for small and mid-market firms across various industries.

Core Vision IT Solutions is an IT managed services company headquartered in Brookfield, Wisconsin and Palatine, Illinois. The agency offers IT managed services, cybersecurity, cloud consulting & SI, unified communications consulting & SI, and more and has a small team.The agency was established in 2002.

RESULTS Technology is an IT compliance and technology support company based in Lenexa, Kan., with an office in Chesterfield, Mo. The company, founded in 1995, has around 50 employees and provides IT strategy consulting, cloud consulting & SI, cybersecurity, and IT managed services to small and midmarket companies, institutions, and organizations in the financial services, nonprofit, and other industries.

Business Network Consulting is an IT managed services and IT strategy consulting company. Established in 1997, the team offers IT managed services and IT strategy consulting. Their midsize firm is Denver, Colorado-based.