Largest Tech Companies in Maryland

tech companies in Maryland

Largest Tech Companies in Maryland

Whether you’re looking for a new IT job in Maryland or you want to invest in tech companies, Maryland is home to many popular tech companies in a wide range of industries. Many of Maryland’s companies have broken into Fortune 500 lists.

The game studio behind one of the most-played games of all time has headquarters in Maryland. Not to mention a biotechnology company that created lifesaving vaccines.

If you’re looking for a job in the technology field, Baltimore, Maryland, is home to many tech companies. It’s a US tech hub.

Continue reading to learn more about these tech companies with headquarters in Maryland.

Which Tech Companies Were Founded in Maryland?

Many of the world’s most popular tech companies were founded in Maryland, USA.

TEDCO – 1998

TEDCO stands for Maryland Technology Development Corporation. It’s a For Profit company that was founded in Maryland in 1998 and is the primary investment firm for startups in Maryland.

TEDCO provides various services for new business owners and startups, such as consultations, seed funds, expertise, technology, etc. TEDCO has a wide range of resources and its disposal.

In simple terms, the firm helps entrepreneurs with the resources they need to get their projects up and running. TEDCO invests in a wide range of businesses across Maryland.

Besides resources, TEDCO also helps entrepreneurs build their professional network. The Maryland Entrepreneur Hub provides the opportunity to network with like-minded business owners and explore numerous guides on how to improve your business.

Bethesda Game Studios – 2001

Bethesda Game Studios was founded in Maryland in 2001. It’s the video game studio that brought us the classic Elder Scrolls and Fallout series. Every avid gamer is familiar with this company. The studio specializes in creating open-world roleplaying games that fans adore.

The first game to bring attention to the studio was the Elder Scrolls III: Morrowind. Their most popular game by far is the Elder Scrolls V: Skyrim, which was released in 2011. Most of us are patiently waiting for their next game, Starfield.

Novavax – 1987

Novavax is a biotech company that is aimed at developing medicine to fight against infectious diseases.

The company is best known for creating a COVID-19 vaccine known as Nuvaxovid which is protein-based instead of mRNA-based. Their vaccine was approved by the European Union and Canada. Novavax is also researching vaccines for other diseases such as influenza and Ebola.

Currently, the Novavax vaccine is being rolled out across the United States as an alternative to Pfizer and Moderna. Recently, the United States bought 1.5 million doses of the Novavax vaccine.

What are The Biggest Tech Companies Located in Maryland?

Baltimore, Maryland is home to numerous branches of world-famous technology companies. These companies are constantly on the lookout for new talent.

Lockheed Martin Corp – $67 Billion in Revenue

Lockheed Martin Corp is a company that covers several industries, such as aerospace, arms, defense, IT security, and other services. It was founded on March 15, 1995.

Its headquarters are in Maryland and it’s one of the largest companies in the defense technology industry to date. The majority of Lockheed Martin Corp’s business comes from the US military. Other areas this company focuses on are advanced technologies, missiles, automatic defense systems, space, and solar panels.

As of Dec 2022, Lockheed Martin Corp generated $67 billion in revenue. The number of employees is around 116,000. It’s by far the largest publically traded tech company in Maryland.

The Largest Private Tech Companies in Maryland

Allegis Group – $12.4 Billion USD in Revenue

Allegis Group is a privately held company with headquarters in Hanover, Maryland. It was founded in 1983. The company has 10 subsidiaries that cover a wide range of industries. The company has about 19,000 employees, including those located abroad.

The most well-known would be TEKsystems which is a full-stack technology company that provides a wide range of tech solutions for businesses. It’s a consulting firm that can deploy IT professionals to solve a wide variety of tech problems. Most of these subsidiary companies focus on recruitment, staffing, and management services.

Client Network Services, Inc – $300 Million

Client Network Services, Inc (CNSI) is a private company with diverse services. Its headquarters are located in Rockville, Maryland. The company offers services in the health information technology industry and provides solutions to government agencies.

The goal of the company is to improve healthcare solutions and reduce costs by using advanced technology. The following are some of the services CNSI offers: data analysis, payment & billing solutions, health insurance, and many others.

CNSI has branches in 9 key cities around the world. Its second most popular branch is located in Chennai, India. Worldwide the company has over 1,000 employees with the vast majority located in North America.

Vision Technologies – $130Million

Vision Technologies offers a broad range of connectivity solutions, audio & visual services, security systems, data centers, and many other professional tech services.

The professional services cover enterprise IT system integration for corporate and government agencies. Another key service they offer is audio-visual, assisting in setting up systems for conference rooms, showcases, speeches, and whatnot.

John Shetrone founded Vision Technologies Inc in 2000. Today, the company has headquarters in Glen Burnie, Maryland. In 2020, it reported earning $130 million in revenue with over 550 employees.

The Largest Publicly Traded Tech Companies in Maryland

Ciena Corporation- $3.63 Billion

Ciena Corporation is a supplier of telecommunication equipment such as cabling, software, infrastructure, and networking systems.

Major telecommunication companies such as AT&T and Bell, use Ciena’s hardware and networking solutions. The company specializes in designing and maintaining advanced networking systems for transmitting audio and video.

The company was founded in 1992 under the name HydraLite, it was changed to Ciena in 1994. Today, Ciena has headquarters in Hanover, Maryland. As of 2022, the company has 8,000 employees.

Sinclair Broadcast Group – $843 Million Revenue

Sinclair Broadcast Group (SBG) is a conservative media broadcasting company with headquarters in Cockeysville, Maryland. Originally it began as a radio broadcasting company and eventually acquired local television channels and even local newspapers.

Today, it’s the second-largest broadcasting company in the United States. SBG also owns several cable network channels and other broadcasting stations, including many local news channels across various states.

Currently, it owns 294 television channels with more being added to the roster. These stations are affiliated with other popular networks such as NBC and Fox.

Inovalon – $667 Million

Inovalon is a tech company in Maryland that provides cloud and data-driven analytics to improve the quality of healthcare. It was founded in 1998 by Keith Dunleavy and its headquarters is in Bowie, Maryland. The name was changed from MedAssurant to Inovalon in 2012.

Inovalon is best known for its Inovalon ONE platform. Essentially, it’s a specialty pharmacy that links customers to new treatments or care.

Forgotten Tech Companies in Maryland

There are many tech startups in Maryland that have either gone out of business or have been acquired by larger companies. Below are some examples:

Discovery Channel

tech companies in Maryland
Discovery Channel specializes in educational and reality TV shows.

Discovery Channel still exists under a different name but it used to have headquarters in Maryland. Its headquarters were in Maryland for almost 20 years. Discovery Inc is a cable channel that offers a wide variety of educational and reality TV shows. Over the years, the company has gone through several name changes.

It was founded in 1985 under the name Cable Educational Inc, and then in 1994, it was renamed Discovery Communications. In 2021, the channel merged with Warner Media and was renamed Warner Bros Discovery. Currently, Discovery has 29 network brands broadcasting in 33 languages around the world.

Today, it has an audience of about 80 million in North America and approximately 357 million worldwide. It’s one of the world’s most popular cable TV channels. Discovery has an estimated revenue of $10.67 billion as of 2020.

ReFirm Labs

ReFirm Labs was a Maryland-based cyber security startup that specialized in vetting firmware for security risks. It was known for developing the Refirm Labs Centrifuge Platform which is a program that monitors device firmware and warns the user of any security vulnerabilities.

The company was founded in 2017 by cybersecurity experts Peter Eacmen and Terry Dunlap. The company was privately acquired by Microsoft in 2021 and its team helps improve the security of Microsoft’s products.

Terbium Labs

Terbium Labs was a cybersecurity startup based in Baltimore that offered services to detect threats on the dark web, a platform called Matchlight. It’s a program that monitors internet activity and protects the user from cybersecurity attacks.

Matchlight was made for companies that want to track their employee’s browsing activities across numerous mediums such as web browsers, social media, the dark web, and more. In 2021, Terbium Labs was acquired by Deloitte.


There are lots of tech companies in Maryland and it’s a good place to launch a startup. The tech industry in Maryland is growing at a steady pace. If you’re interested in getting a job in the tech sector, Maryland has plenty of companies looking for new talent.

There are also many universities in Maryland that offer a wide range of advanced tech courses. Many worldwide brands started out in Maryland and now have branches across the globe.

Frequently Asked Questions

What is the tech City in Maryland?

Baltimore is the tech hub of Maryland. Currently, there are over 84,000 tech jobs in Baltimore and that number is steadily growing every year.

What is the Biggest Company in Maryland?

Lockheed Martin is the biggest company in Maryland. The company specializes in advanced technology for aerospace defense and other military uses.

What Fortune 500 Tech Companies are in Baltimore, Maryland?

Sinclair Broadcasting Group is one tech company that is on the Fortune 500 list 2021 edition.

How Big is the Tech Industry in Maryland?

Currently, over 211,000 people work in the tech sector in Maryland. It also has the highest tech worker growth of all the US states.

What are the Most Popular Tech Jobs in Maryland?

Cybersecurity and software engineering is the most popular tech jobs in Maryland.

To top