Falls Church-based Kastle Systems International was named the top Security Technology Company by the Washington Business Journal in its October 25 edition. Kastle’s revenue of $75.5 million is more than twice that of Datawatch Systems, the firm that ranked 2nd in the list based on 2013 metro area revenue.

Kastle provides design, installation, operation, and remote management of buildings and office security systems for more than 2,000 properties with over 37,000 tenant spaces, totaling 400 million square feet of office space nationwide and internationally. It is located at 6402 Arlington Boulevard in Falls Church.

For more information, visit www.kastle.com.