Some of the area’s largest cybersecurity companies are located in Herndon and Reston, according to a ranking by the Washington Business Journal.

Three companies in Reston and Herndon topped WBJ’s list, which ranks the largest cybersecurity companies in the Greater DC area by the number of employees, total revenue last year, and total Metro-area revenue.

More information on the local companies is below:

• Carahsoft Technology Corp. (Ranked #1): The company, which helps the public sector manage and reduce cybersecurity risks, has 1,282 employees, including 948 in the Metro-area. Last year, the company brought in $5.4 million in total revenue.
• Iron Bow Technologies LLC (Ranked #2): Located at 2302 Dulles Station Boulevard, the company boasted $1 billion in revenue last year.  It has 680 total employees, 510 of which are based in the Metro-area.
• ThunderCat Technology LLC (Ranked #3): The company, which is located at 1925 Isaac Newton Square, brought in $503 million last year,  roughly $289 million of which was in the Metro-area. The company has 84 employees.

Overall, 18 of the region’s 25 largest cybersecurity companies are located in Fairfax County.

Photo via Unsplash